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Latest working version (after minor bugfixes).

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Karthik 2024-11-20 12:12:26 +01:00
parent 6672e4fca0
commit 72c2b17d36
2 changed files with 4 additions and 4 deletions
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4
Dipolar-Gas-Simulator/+VariationalSolver2D/@Calculator/calculateVariationalEnergy.m
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@ -1,4 +1,4 @@
function E = calculateVariationalEnergy(~, psi, Params, ell, Transf, V)
function E = calculateVariationalEnergy(this, psi, Params, ell, Transf, V)
g_eff = Params.gs * (1/(sqrt(2*pi)*ell));
gamma_eff = Params.gammaQF * (sqrt(2/5)/(pi^(3/4)*ell^(3/2)));
@ -10,7 +10,7 @@ function E = calculateVariationalEnergy(~, psi, Params, ell, Transf, V)
% DDIs
VParams.ell = ell;
VDk = this.Calculator.calculateVDkWithCutoff(Transf, Params, VParams); % VDk depends on the variational parameters. THIS HAS TO BE RECALCULATED HERE FOR THE CONSTRAINED OPTIMIZATION TO WORK!
VDk = this.calculateVDkWithCutoff(Transf, Params, VParams); % VDk depends on the variational parameters. THIS HAS TO BE RECALCULATED HERE FOR THE CONSTRAINED OPTIMIZATION TO WORK!
frho = fftn(abs(psi).^2);
Phi = real(ifftn(frho.*VDk));
Eddi = 0.5*Params.gdd*Phi.*abs(psi).^2/(sqrt(2*pi)*ell);%

4
Dipolar-Gas-Simulator/+VariationalSolver2D/@DipolarGas/run.m
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@ -26,7 +26,7 @@ function [Params, Transf, psi, V, VDk] = run(this)
[psi,V,VDk] = this.initialize(Params,VParams,Transf);
ells(1) = VParams.ell;
E_Var = @(x) this.Calculator.calculateVariationalEnergy(psi, Params, x, Transf, VDk, V)/Params.N;
E_Var = @(x) this.Calculator.calculateVariationalEnergy(psi, Params, x, Transf, V)/Params.N;
E_vs_iter(1) = E_Var(ells(1));
for nn = 1:Params.SelfConIter
@ -50,7 +50,7 @@ function [Params, Transf, psi, V, VDk] = run(this)
psi = gather(psi);
% --- Constrained minimization ---
E_Var = @(x) this.Calculator.calculateVariationalEnergy(psi, Params, x, Transf, VDk, V)/Params.N;
E_Var = @(x) this.Calculator.calculateVariationalEnergy(psi, Params, x, Transf, V)/Params.N;
VParams.ell = fmincon(E_Var,VParams.ell,[],[],[],[],Params.ell_lower,Params.ell_upper,[],fminconoptions);
% --- Convergence check ---