All Questions
7 questions
2
votes
0
answers
94
views
Why Klein-Gordon equation before QFT? [closed]
Note : This is an edit of the original question.
Previously (with some more elaboration of what I had in mind): Peskin's QFT book starts with Klein Gordon equation, which is little taught for most ...
1
vote
1
answer
359
views
Where I can find full solution of Schrodinger equation for some simple molecules?
Maybe someone know article or book where is good explanation how solve Schrodinger equation for molecules.
1
vote
0
answers
60
views
Numerical reference data for a 3D quantum system with Gaussian potential?
I'm currently writing a numerical code to solve the quantum system (in 3D) with an attractive ($v_0 < 0$) Gaussian potential,
$$ V(r) = v_0 \exp(-r^2/r_0^2). $$
It would be nice to have some ...
1
vote
0
answers
51
views
Looking at polar representation of wavefunction
I'm looking for all resources where the wavefunction has been seperated into polar form:
$$ \psi = \sqrt{\rho} e^{i \phi} .$$
I know this leads to non-linear weirdness, but I am okay with that. I ...
0
votes
2
answers
77
views
Resource for WKB approximation formula
Is there any source that explicitly writes down the WKB "function" (to be defined soon) in orders of time derivative of the frequency over the frequency? Of course only to some finite order.
...
0
votes
0
answers
58
views
Textbook discussing a motivation of Schroedinger equation
I am looking for a high-level introduction textbook to quantum mechanics which discusses a motivation behind the Schroedinger equation as completely as possible.
In many textbooks I looked at the ...
0
votes
1
answer
169
views
Implementing the Hartree-Fock method in two dimensions from scratch
I am interesting in writing a complete code for the Hartree-Fock method to improve my understanding of it. It seems relatively complex in three dimensions, so I am wondering if it would be simpler in ...