Re: [Pw_forum] About wavefunction

2015-04-17 Thread Jiqiang Li
ree Date: 2015-04-17 14:07 To: 'PWSCF Forum' Subject: Re: [Pw_forum] About wavefunction Dear Jiqiang Li, 1) If you compute <psi_i|psi_j> at the same point then the result is delta_ij. If the bands are different at the same kpoint then you will get zero for this value. If you are o

Re: [Pw_forum] About wavefunction

2015-04-17 Thread Robert Hembree
Subject: [Pw_forum] About wavefunction Dear all, 1.In Quantum Espresso, do wavefunction in real space form at the same k point share the same phase? i.e., psi_1(r) = A(r)exp(ikr) and psi_2(r)=B(r)exp(ikr), psi_1 and psi_2 belong to different bands at same k point. If so, we sho

[Pw_forum] About wavefunction

2015-04-16 Thread Jiqiang Li
Dear all, 1.In Quantum Espresso, do wavefunction in real space form at the same k point share the same phase? i.e., psi_1(r) = A(r)exp(ikr) and psi_2(r)=B(r)exp(ikr), psi_1 and psi_2 belong to different bands at same k point. If so, we should find the vaule < psi_1 | psi_2 > =