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Frank
  • Member for 7 years, 2 months
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7 votes
1 answer
174 views

What is the best way of evaluating time-ordered integrals numerically?

5 votes
0 answers
133 views

Handling zero eigenvalues in Dyson Series for calculating Green's function at zero frequency numerically

4 votes
1 answer
55 views

Inconsistency in transition rate derivation in "Introduction to the Quantum Theory of Scattering" by Rodberg and Thaler

2 votes
1 answer
169 views

Why does mirror/inversion symmetry exclude nearest-neighbor spin-orbit coupling in the Kane-Mele model?

1 vote
1 answer
243 views

How to calculate the path integral (or partition function) of a set of phonons with continuous frequencies

1 vote
0 answers
61 views

Is there any study about using DMRG to simulate two spin chains coupled at only several sites on each chain?

-1 votes
1 answer
134 views

How does one prove $\int_V\text{d}V\ \vec A=0$, given that $\vec A\cdot \vec{\textbf{n}}=0$ and $\nabla\cdot\vec A=0$, without using tensor analysis?