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Manual identification of values for the different parameters to obtain states close to the expected ground states - Code around the fmincon works as expected.

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Karthik 2024-11-22 12:05:49 +01:00
parent a9beb317c9
commit fd59a6199e
2 changed files with 88 additions and 5 deletions
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86
Dipolar-Gas-Simulator/+Scripts/run_locally.m
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@ -64,6 +64,48 @@ Plotter.visualizeGSWavefunction(Params.njob)
OptionsStruct = struct; OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = 2.0030e+07;
OptionsStruct.DipolarPolarAngle = 0;
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 98.0676;
OptionsStruct.TrapFrequencies = [10, 10, 72.4];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [100, 100];
OptionsStruct.TimeStepSize = 500E-6; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-04;
OptionsStruct.NoiseScaleFactor = 4;
OptionsStruct.MaxIterations = 1;
OptionsStruct.VariationalWidth = 5.0;
OptionsStruct.WidthLowerBound = 0.2;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = true;
OptionsStruct.JobNumber = 2;
OptionsStruct.RunOnGPU = false;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Data_TriangularPhase';
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();
%% - Create Variational2D and Calculator object with specified options
OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = 3.0077e+07; OptionsStruct.NumberOfAtoms = 3.0077e+07;
OptionsStruct.DipolarPolarAngle = 0; OptionsStruct.DipolarPolarAngle = 0;
OptionsStruct.DipolarAzimuthAngle = 0; OptionsStruct.DipolarAzimuthAngle = 0;
@ -81,7 +123,7 @@ OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-04; OptionsStruct.ResidualTolerance = 1E-04;
OptionsStruct.NoiseScaleFactor = 4; OptionsStruct.NoiseScaleFactor = 4;
OptionsStruct.MaxIterations = 20; OptionsStruct.MaxIterations = 1;
OptionsStruct.VariationalWidth = 5.5; OptionsStruct.VariationalWidth = 5.5;
OptionsStruct.WidthLowerBound = 0.2; OptionsStruct.WidthLowerBound = 0.2;
OptionsStruct.WidthUpperBound = 12; OptionsStruct.WidthUpperBound = 12;
@ -102,6 +144,48 @@ solver.Potential = pot.trap();
%-% Run Solver %-% %-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run(); [Params, Transf, psi, V, VDk] = solver.run();
%% - Create Variational2D and Calculator object with specified options
OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = 4.0102e+07;
OptionsStruct.DipolarPolarAngle = 0;
OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 101.9903;
OptionsStruct.TrapFrequencies = [10, 10, 72.4];
OptionsStruct.TrapPotentialType = 'None';
OptionsStruct.NumberOfGridPoints = [128, 128];
OptionsStruct.Dimensions = [100, 100];
OptionsStruct.TimeStepSize = 500E-6; % in s
OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-04;
OptionsStruct.NoiseScaleFactor = 4;
OptionsStruct.MaxIterations = 1;
OptionsStruct.VariationalWidth = 7.5;
OptionsStruct.WidthLowerBound = 0.2;
OptionsStruct.WidthUpperBound = 12;
OptionsStruct.WidthCutoff = 1e-2;
OptionsStruct.PlotLive = true;
OptionsStruct.JobNumber = 2;
OptionsStruct.RunOnGPU = false;
OptionsStruct.SaveData = true;
OptionsStruct.SaveDirectory = './Data_HoneycombPhase';
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();
%% - Plot numerical grid %% - Plot numerical grid
% Plotter.visualizeSpace2D(Transf) % Plotter.visualizeSpace2D(Transf)
%% - Plot trap potential %% - Plot trap potential

7
Dipolar-Gas-Simulator/+Scripts/run_on_cluster.m
View File

@ -9,7 +9,7 @@
% as = ((as/add)*Params.add)/Params.a0 % as = ((as/add)*Params.add)/Params.a0
% Critical point: 102.5133; Triangular phase: 98.0676; Stripe phase: 100.0289; Honeycomb phase: 101.9903 % Critical point: 102.5133; Triangular phase: 98.0676; Stripe phase: 100.0289; Honeycomb phase: 101.9903
%{
%% - Create Variational2D and Calculator object with specified options %% - Create Variational2D and Calculator object with specified options
OptionsStruct = struct; OptionsStruct = struct;
@ -51,7 +51,7 @@ solver.Potential = pot.trap();
%-% Run Solver %-% %-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run(); [Params, Transf, psi, V, VDk] = solver.run();
%}
%% - Create Variational2D and Calculator object with specified options %% - Create Variational2D and Calculator object with specified options
OptionsStruct = struct; OptionsStruct = struct;
@ -93,7 +93,7 @@ solver.Potential = pot.trap();
%-% Run Solver %-% %-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run(); [Params, Transf, psi, V, VDk] = solver.run();
%{
%% - Create Variational2D and Calculator object with specified options %% - Create Variational2D and Calculator object with specified options
OptionsStruct = struct; OptionsStruct = struct;
@ -135,4 +135,3 @@ solver.Potential = pot.trap();
%-% Run Solver %-% %-% Run Solver %-%
[Params, Transf, psi, V, VDk] = solver.run(); [Params, Transf, psi, V, VDk] = solver.run();
%}