Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 400317
3 votes
0 answers
34 views

Can linear dispersion modes equilibrate to a diagonal ensemble?

In the literature of quantum thermalization (e.g. this review https://arxiv.org/abs/1712.08790), the consensus is that most systems even when isolated equilibrate locally. That is for a local operator …
Rooky's user avatar
  • 113
0 votes
1 answer
38 views

Equal-time Kadanoff-Baym equation for scalar field propagators

My problem is that in most of the literature on non-equilibrium field theory, the Hamiltonian formalism is used. The left and right KBE for a free theory with $H = \omega_0 c^\dagger c$ (for simplicit …
Rooky's user avatar
  • 113
0 votes

Relation between time-ordered propagator in condensed matter and Feynman propagator

I think you are confusing two different things here. The distinction of positive and negative frequency Weightman functions in Weinberg denoted by $+$ and $-$ have nothing to do with the $\pm$ labels …
Rooky's user avatar
  • 113