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Latest scripts for the Dipolar Gas Simulator.

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Karthik 2025-03-13 21:36:41 +01:00
parent a1b57c64fc
commit 8994dd76f8
4 changed files with 83 additions and 53 deletions
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14
Dipolar-Gas-Simulator/+Scripts/analyzeGSWavefunction_optimal_system_size.m
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@ -24,7 +24,11 @@ function MinEnergyDataArray = analyzeGSWavefunction_optimal_system_size(folder_p
Ly = Data.Params.Ly;
% Extract the minimum energy from VParams.E_vs_iter
minEnergy = min(gather(Data.VParams.E_vs_iter));
try
minEnergy = min(gather(Data.VParams.E_vs_iter));
catch
minEnergy = NaN;
end
% Append [Lx, Ly, minEnergy] to the results array
MinEnergyDataArray(end + 1, :) = [Lx, Ly, minEnergy];
@ -43,9 +47,11 @@ function MinEnergyDataArray = analyzeGSWavefunction_optimal_system_size(folder_p
Ly = MinEnergyDataArray(i, 2);
energy = MinEnergyDataArray(i, 3);
% Find indices in the padded matrix corresponding to Lx and Ly
Lx_idx = find(Lx_Range == Lx);
Ly_idx = find(Ly_Range == Ly);
tolerance = 1e-10; % Define a small tolerance
% Find indices in the padded matrix corresponding to Lx and Ly with tolerance
Lx_idx = find(abs(Lx_Range - Lx) < tolerance);
Ly_idx = find(abs(Ly_Range - Ly) < tolerance);
% Assign the energy value to the appropriate position in the matrix
paddedMatrix(Lx_idx, Ly_idx) = energy;

30
Dipolar-Gas-Simulator/+Scripts/run_locally.m
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@ -304,26 +304,40 @@ JobNumber = 0;
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/Hz500';
JobNumber = 0;
% Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction_in_plane_trap(SaveDirectory, JobNumber);
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/Hz750';
JobNumber = 0;
JobNumber = 1;
% Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction_in_plane_trap(SaveDirectory, JobNumber);
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/Hz1000';
JobNumber = 0;
JobNumber = 1;
% Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction_in_plane_trap(SaveDirectory, JobNumber);
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/Hz2000';
JobNumber = 0;
JobNumber = 1;
% Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction_in_plane_trap(SaveDirectory, JobNumber);
%%
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree5';
SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree0';
% Define the desired range for Lx and Ly
Lx_Range = 5:10; % Extend Lx from 5 to 10
Ly_Range = 5:10; % Extend Ly from 5 to 10
MinEnergyDataArray = Scripts.analyzeGSWavefunction_optimal_system_size(SaveDirectory, Lx_Range, Ly_Range);
Lx_Range = 2:0.4:6; % Extend Lx from 5 to 10
Ly_Range = 2:0.4:6; % Extend Ly from 5 to 10
MinEnergyDataArray = Scripts.analyzeGSWavefunction_optimal_system_size(SaveDirectory, Lx_Range, Ly_Range);
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/AspectRatio/AR2_8';
JobNumber = 0;
Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction_in_plane_trap(SaveDirectory, JobNumber);
%% - Analysis
SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/AspectRatio/AR4_0';
JobNumber = 0;
Plotter.visualizeGSWavefunction2D(SaveDirectory, JobNumber)
[contrast, period_X, period_Y] = Scripts.analyzeGSWavefunction_in_plane_trap(SaveDirectory, JobNumber);

57
Dipolar-Gas-Simulator/+Scripts/run_on_cluster.m
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@ -1,38 +1,38 @@
%% Tilting of the dipoles
% With an in-plane harmonic trap
%% v_z = 1000, theta = 0
%% AR = 2.8
OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = 45000;
OptionsStruct.NumberOfAtoms = 5E5;
OptionsStruct.DipolarPolarAngle = 0;
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 50.0;
OptionsStruct.ScatteringLength = 81.0;
OptionsStruct.TrapFrequencies = [100, 100, 1000];
AspectRatio = 2.8;
HorizontalTrapFrequency = 125;
VerticalTrapFrequency = HorizontalTrapFrequency * AspectRatio;
OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency];
OptionsStruct.TrapPotentialType = 'Harmonic';
OptionsStruct.NumberOfGridPoints = [256, 256];
OptionsStruct.Dimensions = [35, 35];
OptionsStruct.TimeStepSize = 0.005; % in s
OptionsStruct.Dimensions = [18, 18];
OptionsStruct.TimeStepSize = 0.001; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.ResidualTolerance = 1E-04;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 0.7;
OptionsStruct.VariationalWidth = 1.8;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 5e-3;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 0;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/Hz1000';
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/AspectRatio/AR2_8';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
@ -43,38 +43,41 @@ solver.Potential = pot.trap();
%-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run();
%% v_z = 1000, theta = 15
%% AR = 4
OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = 45000;
OptionsStruct.DipolarPolarAngle = deg2rad(15);
OptionsStruct.NumberOfAtoms = 5E5;
OptionsStruct.DipolarPolarAngle = 0;
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 50.0;
OptionsStruct.ScatteringLength = 81.0;
OptionsStruct.TrapFrequencies = [100, 100, 1000];
AspectRatio = 4.0;
HorizontalTrapFrequency = 125;
VerticalTrapFrequency = HorizontalTrapFrequency * AspectRatio;
OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency];
OptionsStruct.TrapPotentialType = 'Harmonic';
OptionsStruct.NumberOfGridPoints = [256, 256];
OptionsStruct.Dimensions = [35, 35];
OptionsStruct.TimeStepSize = 0.005; % in s
OptionsStruct.Dimensions = [18, 18];
OptionsStruct.TimeStepSize = 0.001; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.TimeCutOff = 2E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.ResidualTolerance = 1E-04;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 0.7;
OptionsStruct.VariationalWidth = 1.5;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 5e-3;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 1;
OptionsStruct.JobNumber = 0;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/Hz1000';
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/HarmonicTrap/AspectRatio/AR4_0';
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct

35
Dipolar-Gas-Simulator/+Scripts/run_on_cluster_optimal_system_size.m
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@ -1,17 +1,22 @@
%% Tilting of the dipoles
% Atom Number Density <= 1250 ppum
% Atom Number Density = 1250 ppum
%% v_z = 500
ppum = 1250;
%% theta = 0
idx = 0;
% Loop over Lx and Ly values
for Lx = 5:1:10
for Ly = 5:1:10
for Lx = 2:0.4:6
for Ly = 2:0.4:6
% Initialize OptionsStruct
OptionsStruct = struct;
% Assign values to OptionsStruct
OptionsStruct.NumberOfAtoms = 101250;
OptionsStruct.DipolarPolarAngle = deg2rad(5);
OptionsStruct.NumberOfAtoms = ppum * (Lx*Ly);
OptionsStruct.DipolarPolarAngle = 0;
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 75.00;
@ -20,25 +25,25 @@ for Lx = 5:1:10
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [Lx, Ly];
OptionsStruct.TimeStepSize = 0.005; % in s
OptionsStruct.TimeStepSize = 1E-4; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05;
OptionsStruct.MaxIterations = 10;
OptionsStruct.VariationalWidth = 1.2;
OptionsStruct.VariationalWidth = 1.00;
OptionsStruct.WidthLowerBound = 0.01;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 5e-3;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = (Lx - 5) * (10 - 5 + 1) + (Ly - 4); % Unique JobNumber based on Lx and Ly
OptionsStruct.JobNumber = idx;
OptionsStruct.RunOnGPU = true;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree';
OptionsStruct.SaveDirectory = sprintf('./Results/Data_TiltingOfDipoles/TransitionAngle/OptimalSystemSize/Hz500/Degree%i', rad2deg(OptionsStruct.DipolarPolarAngle));
options = Helper.convertstruct2cell(OptionsStruct);
clear OptionsStruct
@ -48,5 +53,7 @@ for Lx = 5:1:10
% Run Solver
[Params, Transf, psi, V, VDk] = solver.run();
idx = idx + 1;
end
end