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

26 lines
707 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 = sum(abs(Ekin(:) + Epot(:) + Eint(:) + Eddi(:) + Eqf(:) - muchem*psi(:))*Transf.dx*Transf.dy*Transf.dz)/sum(abs(muchem*psi(:))*Transf.dx*Transf.dy*Transf.dz);
end