Calculations/Dipolar Gas Simulator/+Simulator/@Calculator/calculateNormalizedResiduals.m

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697 B
Matlab

function res = calculateNormalizedResiduals(~,psi,Params,Transf,VDk,V,muchem)
KEop= 0.5*(Transf.KX.^2+Transf.KY.^2+Transf.KZ.^2);
% DDIs
frho=fftn(abs(psi).^2);
Phi=real(ifftn(frho.*VDk));
Eddi = Params.gdd*Phi.*psi;
%Kinetic energy
Ekin = ifftn(KEop.*fftn(psi));
%Potential energy
Epot = V.*psi;
%Contact interactions
Eint = Params.gs*abs(psi).^2.*psi;
%Quantum fluctuations
Eqf = Params.gammaQF*abs(psi).^3.*psi;
%Total energy
res = trapz(abs(Ekin(:) + Epot(:) + Eint(:) + Eddi(:) + Eqf(:) - muchem*psi(:))*Transf.dx*Transf.dy*Transf.dz)/trapz(abs(muchem*psi(:))*Transf.dx*Transf.dy*Transf.dz);
end