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Latest version with bug fixes, aesthetic changes.

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Karthik 2025-03-27 11:03:28 +01:00
parent 88f2554b8e
commit d97d68cc97
10 changed files with 119 additions and 85 deletions
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84
Dipolar-Gas-Simulator/+Plotter/visualizeGSWavefunction.m
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@ -3,6 +3,9 @@ function visualizeGSWavefunction(folder_path, run_index)
set(0,'defaulttextInterpreter','latex') set(0,'defaulttextInterpreter','latex')
set(groot, 'defaultAxesTickLabelInterpreter','latex'); set(groot, 'defaultLegendInterpreter','latex'); set(groot, 'defaultAxesTickLabelInterpreter','latex'); set(groot, 'defaultLegendInterpreter','latex');
format long
% Load data % Load data
Data = load(sprintf(horzcat(folder_path, '/Run_%03i/psi_gs.mat'),run_index),'psi','Params','Transf','Observ'); Data = load(sprintf(horzcat(folder_path, '/Run_%03i/psi_gs.mat'),run_index),'psi','Params','Transf','Observ');
@ -21,66 +24,73 @@ function visualizeGSWavefunction(folder_path, run_index)
Observ.residual = Data.Observ.residual; Observ.residual = Data.Observ.residual;
end end
format long % Axes scaling and coordinates in micrometers
x = Transf.x*Params.l0*1e6; x = Transf.x * Params.l0 * 1e6;
y = Transf.y*Params.l0*1e6; y = Transf.y * Params.l0 * 1e6;
z = Transf.z*Params.l0*1e6; z = Transf.z * Params.l0 * 1e6;
dx = x(2)-x(1); dy = y(2)-y(1); dz = z(2)-z(1); dx = x(2)-x(1); dy = y(2)-y(1); dz = z(2)-z(1);
%Plotting % Compute probability density |psi|^2
figure('Position', [100, 100, 1600, 900]);
clf
% Subplot 1
% subplot(2,3,1)
subplot('Position', [0.05, 0.55, 0.28, 0.4])
n = abs(psi).^2; n = abs(psi).^2;
%Plotting
figure(1);
clf
set(gcf,'Position', [100, 100, 1600, 900])
t = tiledlayout(2, 3, 'TileSpacing', 'compact', 'Padding', 'compact'); % 2x3 grid
nexttile;
nxz = squeeze(trapz(n*dy,2)); nxz = squeeze(trapz(n*dy,2));
nyz = squeeze(trapz(n*dx,1)); nyz = squeeze(trapz(n*dx,1));
nxy = squeeze(trapz(n*dz,3)); nxy = squeeze(trapz(n*dz,3));
plotxz = pcolor(x,z,nxz'); plotxz = pcolor(x,z,nxz');
set(plotxz, 'EdgeColor', 'none'); set(plotxz, 'EdgeColor', 'none');
colorbar cbar1 = colorbar;
xlabel('$x$ [$\mu$m]', 'FontSize', 14); ylabel('$z$ [$\mu$m]', 'FontSize', 14); cbar1.Label.Interpreter = 'latex';
title('$|\Psi_{zx}|^2$', 'FontSize', 14); % cbar1.Ticks = []; % Disable the ticks
colormap(gca, Helper.Colormaps.plasma())
xlabel('$x$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)
ylabel('$z$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)
title('$|\Psi(x,z)|^2$', 'Interpreter', 'latex', 'FontSize', 14)
% Subplot 2 nexttile;
% subplot(2,3,2)
subplot('Position', [0.36, 0.55, 0.28, 0.4])
plotyz = pcolor(y,z,nyz'); plotyz = pcolor(y,z,nyz');
set(plotyz, 'EdgeColor', 'none'); set(plotyz, 'EdgeColor', 'none');
colorbar cbar1 = colorbar;
xlabel('$y$ [$\mu$m]', 'FontSize', 14); ylabel('$z$ [$\mu$m]', 'FontSize', 14); cbar1.Label.Interpreter = 'latex';
title('$|\Psi_{zy}|^2$', 'FontSize', 14); % cbar1.Ticks = []; % Disable the ticks
colormap(gca, Helper.Colormaps.plasma())
xlabel('$y$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)
ylabel('$z$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)
title('$|\Psi(y,z)|^2$', 'Interpreter', 'latex', 'FontSize', 14)
% Subplot 3 nexttile;
% subplot(2,3,3)
subplot('Position', [0.67, 0.55, 0.28, 0.4]);
plotxy = pcolor(x,y,nxy'); plotxy = pcolor(x,y,nxy');
set(plotxy, 'EdgeColor', 'none'); set(plotxy, 'EdgeColor', 'none');
colorbar cbar1 = colorbar;
xlabel('$x$ [$\mu$m]', 'FontSize', 14); ylabel('$y$ [$\mu$m]', 'FontSize', 14); cbar1.Label.Interpreter = 'latex';
title('$ |\Psi_{xy}|^2$', 'FontSize', 14); % cbar1.Ticks = []; % Disable the ticks
colormap(gca, Helper.Colormaps.plasma())
xlabel('$x$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)
ylabel('$y$ ($\mu$m)', 'Interpreter', 'latex', 'FontSize', 14)
title('$|\Psi(x,y)|^2$', 'Interpreter', 'latex', 'FontSize', 14)
% Subplot 4 nexttile;
% subplot(2,3,4)
subplot('Position', [0.05, 0.05, 0.26, 0.4]);
plot(-log10(Observ.residual),'-b') plot(-log10(Observ.residual),'-b')
ylabel('$-\mathrm{log}_{10}(r)$', 'FontSize', 14); xlabel('Time steps', 'FontSize', 14); ylabel('$-\mathrm{log}_{10}(r)$', 'FontSize', 14); xlabel('Time steps', 'FontSize', 14);
title('Residual', 'FontSize', 14); title('Residual', 'FontSize', 14);
grid on
% Subplot 5 nexttile;
% subplot(2, 3, 5);
subplot('Position', [0.36, 0.05, 0.26, 0.4]);
plot(Observ.EVec,'-b') plot(Observ.EVec,'-b')
ylabel('$E$', 'FontSize', 14); xlabel('Time steps', 'FontSize', 14); ylabel('$E_{tot}$', 'FontSize', 14); xlabel('Time steps', 'FontSize', 14);
title('Total Energy', 'FontSize', 14); title('Total Energy', 'FontSize', 14);
grid on
% Subplot 6 nexttile;
% subplot(2, 3, 6);
subplot('Position', [0.67, 0.05, 0.26, 0.4]);
plot(Observ.mucVec,'-b') plot(Observ.mucVec,'-b')
ylabel('$\mu$', 'FontSize', 14); xlabel('Time steps', 'FontSize', 14); ylabel('$\mu$', 'FontSize', 14); xlabel('Time steps', 'FontSize', 14);
title('Chemical Potential', 'FontSize', 14); title('Chemical Potential', 'FontSize', 14);
grid on
end end

15
Dipolar-Gas-Simulator/+Scripts/run_locally.m
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@ -9,24 +9,25 @@ OptionsStruct = struct;
OptionsStruct.NumberOfAtoms = 5E5; OptionsStruct.NumberOfAtoms = 5E5;
OptionsStruct.DipolarPolarAngle = deg2rad(0); OptionsStruct.DipolarPolarAngle = deg2rad(0);
OptionsStruct.DipolarAzimuthAngle = 0; OptionsStruct.DipolarAzimuthAngle = 0;
OptionsStruct.ScatteringLength = 85; OptionsStruct.ScatteringLength = 88.5;
AspectRatio = 2.8; AspectRatio = 2.0;
HorizontalTrapFrequency = 125; HorizontalTrapFrequency = 125;
VerticalTrapFrequency = AspectRatio * HorizontalTrapFrequency; VerticalTrapFrequency = AspectRatio * HorizontalTrapFrequency;
OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency]; OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency];
OptionsStruct.TrapPotentialType = 'Harmonic'; OptionsStruct.TrapPotentialType = 'Harmonic';
OptionsStruct.NumberOfGridPoints = [256, 256, 128]; OptionsStruct.NumberOfGridPoints = [64, 64, 32];
OptionsStruct.Dimensions = [30, 30, 15]; OptionsStruct.Dimensions = [18, 18, 18];
OptionsStruct.IncludeDDICutOff = true;
OptionsStruct.CutoffType = 'Cylindrical'; OptionsStruct.CutoffType = 'Cylindrical';
OptionsStruct.SimulationMode = 'ImaginaryTimeEvolution'; % 'ImaginaryTimeEvolution' | 'RealTimeEvolution' OptionsStruct.SimulationMode = 'ImaginaryTimeEvolution'; % 'ImaginaryTimeEvolution' | 'RealTimeEvolution'
OptionsStruct.TimeStepSize = 0.001; % in s OptionsStruct.TimeStepSize = 0.001; % in s
OptionsStruct.MinimumTimeStepSize = 1E-6; % in s OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.EnergyTolerance = 5E-10; OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05; OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05; OptionsStruct.NoiseScaleFactor = 0.01;
OptionsStruct.PlotLive = true; OptionsStruct.PlotLive = true;
OptionsStruct.JobNumber = 0; OptionsStruct.JobNumber = 0;
@ -50,7 +51,7 @@ Plotter.visualizeTrapPotential(sim.Potential,Params,Transf)
%% - Plot initial wavefunction %% - Plot initial wavefunction
Plotter.visualizeWavefunction(psi,Params,Transf) Plotter.visualizeWavefunction(psi,Params,Transf)
%% - Plot GS wavefunction %% - Plot GS wavefunction
SaveDirectory = './Results/Data_3D/AspectRatio2_8'; SaveDirectory = './Results/Data_3D/AspectRatio3_7';
JobNumber = 0; JobNumber = 0;
Plotter.visualizeGSWavefunction(SaveDirectory, JobNumber) Plotter.visualizeGSWavefunction(SaveDirectory, JobNumber)

23
Dipolar-Gas-Simulator/+Scripts/run_on_cluster.m
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@ -13,16 +13,17 @@ VerticalTrapFrequency = AspectRatio * HorizontalTrapFrequency;
OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency]; OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency];
OptionsStruct.TrapPotentialType = 'Harmonic'; OptionsStruct.TrapPotentialType = 'Harmonic';
OptionsStruct.NumberOfGridPoints = [256, 256, 128]; OptionsStruct.NumberOfGridPoints = [128, 128, 64];
OptionsStruct.Dimensions = [30, 30, 15]; OptionsStruct.Dimensions = [18, 18, 18];
OptionsStruct.IncludeDDICutOff = true;
OptionsStruct.CutoffType = 'Cylindrical'; OptionsStruct.CutoffType = 'Cylindrical';
OptionsStruct.SimulationMode = 'ImaginaryTimeEvolution'; % 'ImaginaryTimeEvolution' | 'RealTimeEvolution' OptionsStruct.SimulationMode = 'ImaginaryTimeEvolution'; % 'ImaginaryTimeEvolution' | 'RealTimeEvolution'
OptionsStruct.TimeStepSize = 0.001; % in s OptionsStruct.TimeStepSize = 0.001; % in s
OptionsStruct.MinimumTimeStepSize = 1E-6; % in s OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.EnergyTolerance = 5E-10; OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05; OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05; OptionsStruct.NoiseScaleFactor = 0.01;
OptionsStruct.PlotLive = false; OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 0; OptionsStruct.JobNumber = 0;
@ -34,7 +35,7 @@ clear OptionsStruct
sim = Simulator.DipolarGas(options{:}); sim = Simulator.DipolarGas(options{:});
pot = Simulator.Potentials(options{:}); pot = Simulator.Potentials(options{:});
sim.Potential = pot.trap(); % + pot.repulsive_chopstick(); sim.Potential = pot.trap();
%-% Run Simulation %-% %-% Run Simulation %-%
[Params, Transf, psi, V, VDk] = sim.run(); [Params, Transf, psi, V, VDk] = sim.run();
@ -54,16 +55,17 @@ VerticalTrapFrequency = AspectRatio * HorizontalTrapFrequency;
OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency]; OptionsStruct.TrapFrequencies = [HorizontalTrapFrequency, HorizontalTrapFrequency, VerticalTrapFrequency];
OptionsStruct.TrapPotentialType = 'Harmonic'; OptionsStruct.TrapPotentialType = 'Harmonic';
OptionsStruct.NumberOfGridPoints = [256, 256, 128]; OptionsStruct.NumberOfGridPoints = [128, 128, 64];
OptionsStruct.Dimensions = [30, 30, 15]; OptionsStruct.Dimensions = [18, 18, 18];
OptionsStruct.IncludeDDICutOff = true;
OptionsStruct.CutoffType = 'Cylindrical'; OptionsStruct.CutoffType = 'Cylindrical';
OptionsStruct.SimulationMode = 'ImaginaryTimeEvolution'; % 'ImaginaryTimeEvolution' | 'RealTimeEvolution' OptionsStruct.SimulationMode = 'ImaginaryTimeEvolution'; % 'ImaginaryTimeEvolution' | 'RealTimeEvolution'
OptionsStruct.TimeStepSize = 0.001; % in s OptionsStruct.TimeStepSize = 0.001; % in s
OptionsStruct.MinimumTimeStepSize = 1E-6; % in s OptionsStruct.MinimumTimeStepSize = 1E-5; % in s
OptionsStruct.TimeCutOff = 1E6; % in s OptionsStruct.TimeCutOff = 1E6; % in s
OptionsStruct.EnergyTolerance = 5E-10; OptionsStruct.EnergyTolerance = 5E-10;
OptionsStruct.ResidualTolerance = 1E-05; OptionsStruct.ResidualTolerance = 1E-05;
OptionsStruct.NoiseScaleFactor = 0.05; OptionsStruct.NoiseScaleFactor = 0.01;
OptionsStruct.PlotLive = false; OptionsStruct.PlotLive = false;
OptionsStruct.JobNumber = 0; OptionsStruct.JobNumber = 0;
@ -75,8 +77,7 @@ clear OptionsStruct
sim = Simulator.DipolarGas(options{:}); sim = Simulator.DipolarGas(options{:});
pot = Simulator.Potentials(options{:}); pot = Simulator.Potentials(options{:});
sim.Potential = pot.trap(); % + pot.repulsive_chopstick(); sim.Potential = pot.trap();
%-% Run Simulation %-% %-% Run Simulation %-%
[Params, Transf, psi, V, VDk] = sim.run(); [Params, Transf, psi, V, VDk] = sim.run();

12
Dipolar-Gas-Simulator/+Simulator/@Calculator/Calculator.m
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@ -8,7 +8,7 @@ classdef Calculator < handle & matlab.mixin.Copyable
'OrderParameter', 1, ... 'OrderParameter', 1, ...
'PhaseCoherence', 1, ... 'PhaseCoherence', 1, ...
'TotalEnergy', 1, ... 'TotalEnergy', 1, ...
'CutoffType', 'Cylindrical', ... 'CutOffType', 'Cylindrical', ...
'CustomCylindricalCutOffRadius', 1, ... 'CustomCylindricalCutOffRadius', 1, ...
'CustomCylindricalCutOffHeight', 1); 'CustomCylindricalCutOffHeight', 1);
@ -21,7 +21,7 @@ classdef Calculator < handle & matlab.mixin.Copyable
OrderParameter; OrderParameter;
PhaseCoherence; PhaseCoherence;
TotalEnergy; TotalEnergy;
CutoffType; CutOffType;
CustomCylindricalCutOffRadius CustomCylindricalCutOffRadius
CustomCylindricalCutOffHeight CustomCylindricalCutOffHeight
end end
@ -34,8 +34,8 @@ classdef Calculator < handle & matlab.mixin.Copyable
p = inputParser; p = inputParser;
p.KeepUnmatched = true; p.KeepUnmatched = true;
addParameter(p, 'CutoffType', this.CalculatorDefaults.CutoffType,... addParameter(p, 'CutOffType', this.CalculatorDefaults.CutOffType,...
@(x) any(strcmpi(x,{'Cylindrical','CylindricalInfiniteZ', 'Spherical', 'CustomCylindrical'}))); @(x) any(strcmpi(x,{'None', 'Cylindrical','CylindricalInfiniteZ', 'Spherical', 'CustomCylindrical'})));
p.parse(varargin{:}); p.parse(varargin{:});
@ -45,7 +45,7 @@ classdef Calculator < handle & matlab.mixin.Copyable
this.OrderParameter = this.CalculatorDefaults.OrderParameter; this.OrderParameter = this.CalculatorDefaults.OrderParameter;
this.PhaseCoherence = this.CalculatorDefaults.PhaseCoherence; this.PhaseCoherence = this.CalculatorDefaults.PhaseCoherence;
this.TotalEnergy = this.CalculatorDefaults.TotalEnergy; this.TotalEnergy = this.CalculatorDefaults.TotalEnergy;
this.CutoffType = p.Results.CutoffType; this.CutOffType = p.Results.CutOffType;
this.CustomCylindricalCutOffRadius = this.CalculatorDefaults.CustomCylindricalCutOffRadius; this.CustomCylindricalCutOffRadius = this.CalculatorDefaults.CustomCylindricalCutOffRadius;
this.CustomCylindricalCutOffHeight = this.CalculatorDefaults.CustomCylindricalCutOffHeight; this.CustomCylindricalCutOffHeight = this.CalculatorDefaults.CustomCylindricalCutOffHeight;
end end
@ -57,7 +57,7 @@ classdef Calculator < handle & matlab.mixin.Copyable
this.OrderParameter = this.CalculatorDefaults.OrderParameter; this.OrderParameter = this.CalculatorDefaults.OrderParameter;
this.PhaseCoherence = this.CalculatorDefaults.PhaseCoherence; this.PhaseCoherence = this.CalculatorDefaults.PhaseCoherence;
this.TotalEnergy = this.CalculatorDefaults.TotalEnergy; this.TotalEnergy = this.CalculatorDefaults.TotalEnergy;
this.CutoffType = this.CalculatorDefaults.CutoffType; this.CutOffType = this.CalculatorDefaults.CutOffType;
this.CustomCylindricalCutOffRadius = this.CalculatorDefaults.CustomCylindricalCutOffRadius; this.CustomCylindricalCutOffRadius = this.CalculatorDefaults.CustomCylindricalCutOffRadius;
this.CustomCylindricalCutOffHeight = this.CalculatorDefaults.CustomCylindricalCutOffHeight; this.CustomCylindricalCutOffHeight = this.CalculatorDefaults.CustomCylindricalCutOffHeight;
end end

2
Dipolar-Gas-Simulator/+Simulator/@Calculator/calculateVDk.m
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@ -10,7 +10,7 @@ function VDk = calculateVDk(this,Params,Transf,TransfRad,IncludeDDICutOff)
% Spherical % Spherical
if IncludeDDICutOff if IncludeDDICutOff
switch this.CutoffType switch this.CutOffType
case 'Cylindrical' % Cylindrical (semianalytic) case 'Cylindrical' % Cylindrical (semianalytic)
Zcutoff = Params.Lz/2; Zcutoff = Params.Lz/2;
alph = acos((Transf.KX*sin(Params.theta)*cos(Params.phi)+Transf.KY*sin(Params.theta)*sin(Params.phi)+Transf.KZ*cos(Params.theta))./sqrt(Transf.KX.^2+Transf.KY.^2+Transf.KZ.^2)); alph = acos((Transf.KX*sin(Params.theta)*cos(Params.phi)+Transf.KY*sin(Params.theta)*sin(Params.phi)+Transf.KZ*cos(Params.theta))./sqrt(Transf.KX.^2+Transf.KY.^2+Transf.KZ.^2));

6
Dipolar-Gas-Simulator/+Simulator/@DipolarGas/DipolarGas.m
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@ -54,8 +54,8 @@ classdef DipolarGas < handle & matlab.mixin.Copyable
@(x) assert(isnumeric(x) && isvector(x) && all(x > 0))); @(x) assert(isnumeric(x) && isvector(x) && all(x > 0)));
addParameter(p, 'SimulationMode', 'ImaginaryTimeEvolution',... addParameter(p, 'SimulationMode', 'ImaginaryTimeEvolution',...
@(x) assert(any(strcmpi(x,{'ImaginaryTimeEvolution','RealTimeEvolution'})))); @(x) assert(any(strcmpi(x,{'ImaginaryTimeEvolution','RealTimeEvolution'}))));
addParameter(p, 'CutoffType', 'Cylindrical',... addParameter(p, 'CutOffType', 'Cylindrical',...
@(x) assert(any(strcmpi(x,{'Cylindrical','CylindricalInfiniteZ', 'Spherical', 'CustomCylindrical'})))); @(x) assert(any(strcmpi(x,{'None', 'Cylindrical','CylindricalInfiniteZ', 'Spherical', 'CustomCylindrical'}))));
addParameter(p, 'TimeStepSize', 5E-4,... addParameter(p, 'TimeStepSize', 5E-4,...
@(x) assert(isnumeric(x) && isscalar(x) && (x > 0))); @(x) assert(isnumeric(x) && isscalar(x) && (x > 0)));
addParameter(p, 'MinimumTimeStepSize', 1e-6,... addParameter(p, 'MinimumTimeStepSize', 1e-6,...
@ -110,7 +110,7 @@ classdef DipolarGas < handle & matlab.mixin.Copyable
this.DoSave = p.Results.SaveData; this.DoSave = p.Results.SaveData;
this.SaveDirectory = p.Results.SaveDirectory; this.SaveDirectory = p.Results.SaveDirectory;
this.Calculator = Simulator.Calculator('CutoffType', p.Results.CutoffType); this.Calculator = Simulator.Calculator('CutOffType', p.Results.CutOffType);
this.SimulationParameters = this.setupParameters(); this.SimulationParameters = this.setupParameters();

40
Dipolar-Gas-Simulator/+Simulator/@DipolarGas/initialize.m
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@ -4,19 +4,41 @@ function [psi,V,VDk] = initialize(this,Params,Transf,TransfRad)
V = this.Potential; V = this.Potential;
assert(~anynan(V), 'Potential not defined! Specify as <SimulatorObject>.Potential = <PotentialsObject>.trap() + <AdditionalTerms>.'); assert(~anynan(V), 'Potential not defined! Specify as <SimulatorObject>.Potential = <PotentialsObject>.trap() + <AdditionalTerms>.');
VDkFile = fullfile(this.SaveDirectory, 'VDk_M.mat');
VDk = [];
DDICutOffIncluded = false;
CutOffType = 'None';
% == Calculating the DDIs == % % == Calculating the DDIs == %
if isfile(strcat(this.SaveDirectory, '/VDk_M.mat')) if isfile(VDkFile)
VDk = load(sprintf(strcat(this.SaveDirectory, '/VDk_M.mat'))); loadedData = load(VDkFile);
VDk = VDk.VDk; [VDk, DDICutOffIncluded, CutOffType] = deal(loadedData.VDk, loadedData.DDICutOffIncluded, loadedData.CutOffType);
if ~isequal(size(VDk), this.NumberOfGridPoints)
VDk = this.Calculator.calculateVDk(Params,Transf,TransfRad, this.IncludeDDICutOff);
save(sprintf(strcat(this.SaveDirectory, '/VDk_M.mat')),'VDk');
end end
if isempty(VDk) || ~isequal(size(VDk), this.NumberOfGridPoints) || this.IncludeDDICutOff ~= DDICutOffIncluded
% Calculate VDk if necessary
VDk = this.Calculator.calculateVDk(Params, Transf, TransfRad, this.IncludeDDICutOff);
DDICutOffIncluded = this.IncludeDDICutOff;
% Set CutOffType based on DDICutOffIncluded
if DDICutOffIncluded
CutOffType = this.Calculator.CutOffType;
fprintf('Computed and saved DDI potential in Fourier space with a %s cutoff.\n', CutOffType);
else else
VDk = this.Calculator.calculateVDk(Params,Transf,TransfRad, this.IncludeDDICutOff); CutOffType = 'None';
save(sprintf(strcat(this.SaveDirectory, '/VDk_M.mat')),'VDk'); fprintf('Computed and saved DDI potential in Fourier space with no cutoff.\n');
end
% Save the calculated VDk
save(VDkFile,'VDk', 'DDICutOffIncluded', 'CutOffType');
else
if DDICutOffIncluded
% Print load message
fprintf('Loaded pre-saved DDI potential in Fourier space with a %s cutoff.\n', CutOffType);
else
% Print load message
fprintf('Loaded pre-saved DDI potential in Fourier space with no cutoff.\n');
end
end end
fprintf('Computed and saved DDI potential in Fourier space with %s cutoff.\n', this.Calculator.CutoffType)
% == Setting up the initial wavefunction == % % == Setting up the initial wavefunction == %
psi = this.setupWavefunction(Params,Transf); psi = this.setupWavefunction(Params,Transf);

2
Dipolar-Gas-Simulator/+Simulator/@DipolarGas/setupParameters.m
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@ -62,7 +62,7 @@ function [Params] = setupParameters(this)
Params.add = mu0*Params.mu^2*Params.m/(12*pi*hbar^2); Params.add = mu0*Params.mu^2*Params.m/(12*pi*hbar^2);
% DDI strength % DDI strength
Params.gdd = 4*pi*Params.add/l0; %sometimes the 12 is a 4 --> depends on how Vdk (DDI) is defined Params.gdd = 4*pi*Params.add/l0;
% Trap gamma % Trap gamma
Params.gx = (Params.wx/w0)^2; Params.gx = (Params.wx/w0)^2;

6
Dipolar-Gas-Simulator/+Simulator/@DipolarGas/setupWavefunction.m
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@ -8,9 +8,9 @@ function [psi] = setupWavefunction(~,Params,Transf)
elly = sqrt(Params.hbar/(Params.m*Params.wy))/Params.l0; elly = sqrt(Params.hbar/(Params.m*Params.wy))/Params.l0;
ellz = sqrt(Params.hbar/(Params.m*Params.wz))/Params.l0; ellz = sqrt(Params.hbar/(Params.m*Params.wz))/Params.l0;
Rx = 8*ellx; Rx = 4*ellx;
Ry = 8*elly; Ry = 4*elly;
Rz = 8*ellz; Rz = 4*ellz;
X0 = 0.0*Transf.Xmax; X0 = 0.0*Transf.Xmax;
Y0 = 0.0*Transf.Ymax; Y0 = 0.0*Transf.Ymax;
Z0 = 0*Transf.Zmax; Z0 = 0*Transf.Zmax;

2
Dipolar-Gas-Simulator/+VariationalSolver2D/@DipolarGas/setupParameters.m
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@ -79,7 +79,7 @@ function [Params] = setupParameters(this)
Params.ppadd2 = Params.ppum2*(Params.add*1e6)^2; % Particles per squared add Params.ppadd2 = Params.ppum2*(Params.add*1e6)^2; % Particles per squared add
% DDI strength % DDI strength
Params.gdd = 4*pi*Params.add/l0; % sometimes the 12 is a 4 --> depends on how Vdk (DDI) is defined Params.gdd = 4*pi*Params.add/l0;
% Trap gamma % Trap gamma
Params.gx = (Params.wx/w0)^2; Params.gx = (Params.wx/w0)^2;