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Latest scripts for the 2D variational solver.

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Karthik 2025-03-26 13:57:24 +01:00
parent eb0f6375c6
commit 95781545d4
7 changed files with 508 additions and 126 deletions
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48
Dipolar-Gas-Simulator/+Scripts/analyzeGSWavefunction.m
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@ -1,5 +1,11 @@
function [contrast, periodX, periodY] = analyzeGSWavefunction(folder_path, run_index)
function [contrast, periodX, periodY] = analyzeGSWavefunction(folder_path, run_index, LatticePropertyDisplayFlag)
arguments
folder_path (1,:) char
run_index (1,:) {mustBeNumeric,mustBeReal}
LatticePropertyDisplayFlag (1,:) logical = true
end
set(0,'defaulttextInterpreter','latex')
set(groot, 'defaultAxesTickLabelInterpreter','latex'); set(groot, 'defaultLegendInterpreter','latex');
@ -73,25 +79,27 @@ function [contrast, periodX, periodY] = analyzeGSWavefunction(folder_path, run_i
colormap(gca, Helper.Colormaps.plasma())
% clim(ax1,[0.00,0.3]);
% Define normalized positions (relative to axis limits)
x_offset = 0.025; % 5% offset from the edges
y_offset = 0.025; % 5% offset from the edges
% Top-left corner (normalized axis coordinates)
text(0 + x_offset, 1 - y_offset, lattice_type, ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'left', 'VerticalAlignment', 'top');
% Top-right corner (normalized axis coordinates)
text(1 - x_offset, 1 - y_offset, ['C: ', num2str(contrast, '%.3f')], ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'right', 'VerticalAlignment', 'top');
% Bottom-left corner (normalized axis coordinates)
text(0 + x_offset, 0 + y_offset, ['dx: ', num2str(periodX, '%.2f'), ' \mum'], ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'left', 'VerticalAlignment', 'bottom');
% Bottom-right corner (normalized axis coordinates)
text(1 - x_offset, 0 + y_offset, ['dy: ', num2str(periodY, '%.2f'), ' \mum'], ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'right', 'VerticalAlignment', 'bottom');
if LatticePropertyDisplayFlag
% Define normalized positions (relative to axis limits)
x_offset = 0.025; % 5% offset from the edges
y_offset = 0.025; % 5% offset from the edges
% Top-left corner (normalized axis coordinates)
text(0 + x_offset, 1 - y_offset, lattice_type, ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'left', 'VerticalAlignment', 'top');
% Top-right corner (normalized axis coordinates)
text(1 - x_offset, 1 - y_offset, ['C: ', num2str(contrast, '%.3f')], ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'right', 'VerticalAlignment', 'top');
% Bottom-left corner (normalized axis coordinates)
text(0 + x_offset, 0 + y_offset, ['dx: ', num2str(periodX, '%.2f'), ' \mum'], ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'left', 'VerticalAlignment', 'bottom');
% Bottom-right corner (normalized axis coordinates)
text(1 - x_offset, 0 + y_offset, ['dy: ', num2str(periodY, '%.2f'), ' \mum'], ...
'Color', 'white', 'FontWeight', 'bold', 'Interpreter', 'tex', 'FontSize', 30, 'Units', 'normalized', 'HorizontalAlignment', 'right', 'VerticalAlignment', 'bottom');
end
ylabel(cbar1,'$na_{dd}^2$','FontSize',16,'Rotation',270)
xlabel('$x$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)

2
Dipolar-Gas-Simulator/+Scripts/analyzeGSWavefunction_constrained_optimal_system_size.m
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@ -70,7 +70,7 @@ function MinEnergyDataArray = analyzeGSWavefunction_constrained_optimal_system_s
clf
set(gcf,'Position',[50 50 950 750])
set(gca,'FontSize',16,'Box','On','Linewidth',2);
plot(LatticeSpacing, MinEnergyDataValues, Marker = "o", LineWidth=2.0);
plot(LatticeSpacing, MinEnergyDataValues, LineStyle='none', Marker = "o", MarkerFaceColor= "b", MarkerEdgeColor="none", LineWidth=2.0);
xlim([min(LatticeSpacing) max(LatticeSpacing)])
xlabel('$a$','fontsize',16,'interpreter','latex');
ylabel('$E_{var}$','fontsize',16,'interpreter','latex');

80
Dipolar-Gas-Simulator/+Scripts/run_locally.m
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@ -251,8 +251,8 @@ Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
JobNumber = 1;
% Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
JobNumber = 2;
Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction(SaveDirectory, JobNumber);
%% - Analysis
@ -333,40 +333,64 @@ Ly_Range = 4:0.2:6; % Extend Ly from 5 to 10
MinEnergyDataArray = Scripts.analyzeGSWavefunction_optimal_system_size(SaveDirectory, Lx_Range, Ly_Range);
%%
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree0';
% SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree0';
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSizeWithBiasAnsatz/Hz500/Degree0';
% Define the desired range
LatticeSpacing = 1.0:0.05:4.0;
% LatticeSpacing = 1.0:0.05:4.0;
LatticeSpacing = linspace(1.6,2.25,61);
MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
% Plotter.visualizeGSWavefunction2D(SaveDirectory, 17)
% [contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, 17);
[val, idx] = min(MinEnergyDataArray(:,3));
OptimalSize = MinEnergyDataArray(idx,1:2);
Plotter.visualizeGSWavefunction2D(SaveDirectory, idx)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, idx, false);
%%
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree5';
% SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree5';
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSizeWithBiasAnsatz/Hz500/Degree5';
% Define the desired range
LatticeSpacing = 1.0:0.05:4.0;
% MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
% Plotter.visualizeGSWavefunction2D(SaveDirectory, 17)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, 17);
%%
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree7_5';
% Define the desired range
LatticeSpacing = 1.0:0.05:4.0;
% MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
% Plotter.visualizeGSWavefunction2D(SaveDirectory, 17)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, 17);
%%
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree10';
% Define the desired range
LatticeSpacing = 1.0:0.05:4.0;
% LatticeSpacing = 1.0:0.05:4.0;
LatticeSpacing = linspace(1.6,2.25,61);
MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
% Plotter.visualizeGSWavefunction2D(SaveDirectory, 17)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, 22);
[val, idx] = min(MinEnergyDataArray(:,3));
OptimalSize = MinEnergyDataArray(idx,1:2);
Plotter.visualizeGSWavefunction2D(SaveDirectory, idx)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, idx, false);
%%
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree15';
% SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree7_5';
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSizeWithBiasAnsatz/Hz500/Degree7_5';
% Define the desired range
LatticeSpacing = 1.0:0.05:4.0;
% LatticeSpacing = 1.0:0.05:4.0;
LatticeSpacing = linspace(1.6,2.25,61);
MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
% Plotter.visualizeGSWavefunction2D(SaveDirectory, 17)
% [contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, 22);
[val, idx] = min(MinEnergyDataArray(:,3));
OptimalSize = MinEnergyDataArray(idx,1:2);
Plotter.visualizeGSWavefunction2D(SaveDirectory, idx)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, idx, false);
%%
% SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree10';
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSizeWithBiasAnsatz/Hz500/Degree10';
% Define the desired range
% LatticeSpacing = 1.0:0.05:4.0;
LatticeSpacing = linspace(1.6,2.25,61);
MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
[val, idx] = min(MinEnergyDataArray(:,3));
OptimalSize = MinEnergyDataArray(idx,1:2);
Plotter.visualizeGSWavefunction2D(SaveDirectory, idx)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, idx, false);
%%
% SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree15';
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSizeWithBiasAnsatz/Hz500/Degree15';
% Define the desired range
% LatticeSpacing = 1.0:0.05:4.0;
LatticeSpacing = linspace(1.6,2.25,61);
MinEnergyDataArray = Scripts.analyzeGSWavefunction_constrained_optimal_system_size(SaveDirectory, LatticeSpacing);
[val, idx] = min(MinEnergyDataArray(:,3));
OptimalSize = MinEnergyDataArray(idx,1:2);
Plotter.visualizeGSWavefunction2D(SaveDirectory, idx)
[contrast, periodX, periodY] = Scripts.analyzeGSWavefunction(SaveDirectory, idx, false);
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/AspectRatio/AR2_8';
JobNumber = 0; % 79

298
Dipolar-Gas-Simulator/+Scripts/run_on_cluster.m
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@ -1,76 +1,254 @@
%% Tilting of the dipoles
% Atom Number = 1250 ppum
% System size = [sf * unitcell_x, sf * unitcell_x]
ppum = 1250; % Atom Number Density in per micrometers
%% theta = 0
%% v_z = 500, theta = 0: a_s = 75.00
LatticeSpacing = 1.0:0.05:4.0;
totalIterations = numel(LatticeSpacing);
a = 1.8058;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% create a local cluster object
cluster = parcluster('local');
% Initialize OptionsStruct
OptionsStruct = struct;
% get the number of dedicated cores from environment
nprocs = str2num(getenv('SLURM_NPROCS'));
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(0);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
% you may explicitly set the JobStorageLocation to the tmp directory that is unique to each cluster job (and is on local, fast scratch)
parpool_tmpdir = [getenv('TMP'),'/.matlab/local_cluster_jobs/slurm_jobID_',getenv('SLURM_JOB_ID')];
mkdir(parpool_tmpdir);
cluster.JobStorageLocation = parpool_tmpdir;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
% start the parallel pool
parpool(cluster, nprocs)
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
% Parallel loop over all combinations of i, j
parfor (k = 1:totalIterations, cluster)
a = LatticeSpacing(k);
lx = a;
ly = sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(0);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 0;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 5E-4; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.BiasWithAnsatz = true;
OptionsStruct.Ansatz = 'triangular';
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.10;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = k;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = sprintf('./Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree%i', round(rad2deg(OptionsStruct.DipolarPolarAngle)));
%% v_z = 500, theta = 5: a_s = 75.00
options = Helper.convertstruct2cell(OptionsStruct);
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
a = 1.795;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% Run Solver
[Params, Transf, psi, V, VDk] = solver.run();
end
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(5);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 1;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 7.5: a_s = 75.00
a = 2.055;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(7.5);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 2;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 10: a_s = 75.00
a = 2.055;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(10);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 3;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 15: a_s = 75.00
a = 2.0875;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(15);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 4;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();

128
Dipolar-Gas-Simulator/+Scripts/run_on_cluster_adjusted_system_size.m
View File

@ -4,9 +4,9 @@
ppum = 1250; % Atom Number Density in per micrometers
%% v_z = 500, theta = 0: a_s = 76.00
%% v_z = 500, theta = 0: a_s = 75.00
a = 1.8;
a = 1.8058;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
@ -18,7 +18,7 @@ OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(0);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 76.00;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
@ -43,7 +43,7 @@ OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 0;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/SystemSize100squm/Hz500';
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
@ -54,9 +54,59 @@ solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 7.5: a_s = 76.00
%% v_z = 500, theta = 5: a_s = 75.00
a = 1.5;
a = 1.795;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(5);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 1;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 7.5: a_s = 75.00
a = 2.055;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
@ -68,7 +118,7 @@ OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(7.5);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 76.00;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
@ -93,7 +143,56 @@ OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 2;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/SystemSize100squm/Hz500';
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 10: a_s = 75.00
a = 2.055;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(10);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.15;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 3;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
@ -104,9 +203,9 @@ solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 500, theta = 15: a_s = 76.00
%% v_z = 500, theta = 15: a_s = 75.00
a = 1.05;
a = 2.0875;
scalingfactor = 5;
lx = scalingfactor*a;
ly = scalingfactor*sqrt(3)*a;
@ -118,7 +217,7 @@ OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(15);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 76.00;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
@ -140,10 +239,10 @@ OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 2;
OptionsStruct.JobNumber = 4;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/SystemSize100squm/Hz500';
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/AdjustedSystemSize/Hz500';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
@ -152,5 +251,4 @@ pot = VariationalSolver2D.Potentials(options{:
solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
[Params, Transf, psi, V, VDk] = solver.run();

74
Dipolar-Gas-Simulator/+Scripts/run_on_cluster_optimal_system_size.m
View File

@ -2,6 +2,80 @@
ppum = 1250; % Atom Number Density in per micrometers
%% theta = 0
LatticeSpacing = linspace(1.6, 2.25, 61);
totalIterations = numel(LatticeSpacing);
% create a local cluster object
cluster = parcluster('local');
% get the number of dedicated cores from environment
nprocs = str2num(getenv('SLURM_NPROCS'));
% you may explicitly set the JobStorageLocation to the tmp directory that is unique to each cluster job (and is on local, fast scratch)
parpool_tmpdir = [getenv('TMP'),'/.matlab/local_cluster_jobs/slurm_jobID_',getenv('SLURM_JOB_ID')];
mkdir(parpool_tmpdir);
cluster.JobStorageLocation = parpool_tmpdir;
% start the parallel pool
parpool(cluster, nprocs)
% Parallel loop over all combinations of i, j
parfor (k = 1:totalIterations, cluster)
a = LatticeSpacing(k);
lx = a;
ly = sqrt(3)*a;
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = ppum * (lx*ly);
OptionsStruct.DipolarPolarAngle = deg2rad(0);
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
OptionsStruct.TrapFrequencies = [0, 0, 500];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [lx, ly];
OptionsStruct.TimeStepSize = 1E-3; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.BiasWithAnsatz = true;
OptionsStruct.Ansatz = 'triangular';
OptionsStruct.IncludeDDICutOff = false;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.10;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = k;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = sprintf('./Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSizeWithBiasAnsatz/Hz500/Degree%i', round(rad2deg(OptionsStruct.DipolarPolarAngle)));
options = Helper.convertstruct2cell(OptionsStruct);
solver = VariationalSolver2D.DipolarGas(options{:});
pot = VariationalSolver2D.Potentials(options{:});
solver.Potential = pot.trap();
% Run Solver
[Params, Transf, psi, V, VDk] = solver.run();
end
%% theta = 0
Lx = 4:0.4:11;

4
Dipolar-Gas-Simulator/+VariationalSolver2D/@DipolarGas/setupCosineModulatedAnsatz.m
View File

@ -10,9 +10,9 @@ function [psi] = setupCosineModulatedAnsatz(this, Params, Transf)
if strcmp(this.Ansatz, 'stripe')
% STRIPES 2-D
% Parameters
c = 1; % Fourier coefficient
c = 0.2; % Fourier coefficient
k = 2 * pi / Params.Lx; % Wavenumber
n = 2; % Order
n = 1; % Order
% Define the 2D function for stripes
psi = (1 + (c * cos(n * k * Y))) / (1 + (0.5 * c^2));