30 lines
1.0 KiB
Mathematica
30 lines
1.0 KiB
Mathematica
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function E = calculateEnergyComponents(~,psi,Params,Transf,VDk,V,VParams)
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% Parameters
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KEop = 0.5*(Transf.KX.^2+Transf.KY.^2);
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normfac = Params.Lx*Params.Ly/numel(psi);
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% DDIs
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frho = fftn(abs(psi).^2);
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Phi = (ifftn(frho.*VDk));
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Eddi = 0.5*Params.gdd*Phi.*abs(psi).^2/(sqrt(2*pi)*VParams.ell);%
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E.Eddi = trapz(Eddi(:))*Transf.dx*Transf.dy;
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% Kinetic energy
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Ekin = KEop.*abs(fftn(psi)*normfac).^2;
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E.Ekin = trapz(Ekin(:))*Transf.dkx*Transf.dky/(2*pi)^2 + 0.25*(1/VParams.ell^2)*Params.N;
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% Potential energy
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Epot = V.*abs(psi).^2;
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E.Epot = trapz(Epot(:))*Transf.dx*Transf.dy + 0.25*Params.gz*VParams.ell^2*Params.N;
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% Contact interactions
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Eint = 0.5*Params.gs*abs(psi).^4/(sqrt(2*pi)*VParams.ell);
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E.Eint = trapz(Eint(:))*Transf.dx*Transf.dy;
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% Quantum fluctuations
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Eqf = 0.4*Params.gammaQF*abs(psi).^5*sqrt(2/(5*VParams.ell^3*pi^(3/2)));
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E.Eqf = trapz(Eqf(:))*Transf.dx*Transf.dy;
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end
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