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Jan
31
answered What is a “dynamically generated scale” physically?
Jan
31
answered Good resources for learning/reviewing complex time propagator formalism
Jan
31
answered Is what statisticians call a “random variable” what physicists call an “observable” in QM?
Jun
25
answered Doubts with basic renormalization
Mar
3
answered What does it mean to have a degenerate $S$-matrix?
Feb
15
answered How to compute this loop integral?
Jan
24
asked How does the notion of topological order relate to the Landau-Ginzburg theory of phase transitions?
Dec
24
answered Are all fermions massless at high temperatures?
Nov
13
answered Are Matsubara states pure states?
Nov
11
answered Are vacuum fluctuations really happening all the time?
Nov
6
answered Are point particles the reason for 'infinities' in QFT?
Nov
6
answered Temperature in CFT
Nov
4
answered Can we regard field operator $\Psi (x)$ as $a_{x}^{\dagger }$ ,$a_{x}$?
Oct
31
answered What is the meaning of a state in QFT?
Oct
30
answered Renormalization, integrating out high momenta Wilson way
Oct
19
answered Is there some special case where a fermion can mediate a force?
Oct
10
answered What causes Paulis Exclusion Principle?
Oct
4
answered What produces String tension in Strings theory?
Sep
27
answered What is the difference between D branes, M branes, and NS branes?
Sep
25
answered Do gravitational fields exist in vacuum region?