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Olaf
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29 Answers

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28
Good reading on the Keldysh formalism
Aug 26 '11 at 19:10
24
Online QFT video lectures
May 18 '11 at 18:21
22
Evolution operator for time-dependent Hamiltonian
Nov 29 '12 at 18:45
21
Since radioactive material decays how is it possible that there is any left after 4.5 billion years?
Mar 18 '11 at 16:24
20
Quantum mechanics on a manifold
Feb 24 '11 at 12:09
16
What would happen if you put your hand in front of the 7 TeV beam at LHC?
Jan 21 '11 at 9:48
12
Applications of the Feynman-Vernon Influence Functional
Sep 22 '11 at 12:53
12
Uses of the 'Golden Ratio' in Physics
Mar 15 '11 at 11:06
10
Reading list in topological QFT
Oct 24 '12 at 11:13
10
Other processes than formal power series expansions in quantum field theory calculations
Oct 11 '11 at 16:39
9
Reconciling topological insulators and topological order
Jul 11 '13 at 16:15
7
Equation of motion for the reduced density matrix
Nov 14 '11 at 13:49
7
Nomenclature of hadronic resonances
Mar 21 '11 at 22:15
7
What are the uses of Hopf algebras in physics?
Feb 23 '11 at 16:41
7
Impressions of Topological field theories in mathematics
Jan 14 '11 at 14:07
6
First class and second class constraints
Aug 13 '12 at 18:59
6
U(1) Charged Fields
May 15 '12 at 20:42
5
Expectation value of time-dependent Hamiltonian
Dec 9 '12 at 17:28
4
Supersymmetry in Quantum Field Theory
Jun 19 '12 at 13:17
3
Results for the path integral formalism for a system with known start and end configuration?
Feb 9 '12 at 17:21
3
Can the Heisenberg interpretation or path integrals apply to open quantum systems?
Dec 15 '11 at 17:35
3
RG of the Gaussian Model: Finding the scaling factor
Nov 25 '11 at 18:20
3
How do derive this result in stat-mech style
Nov 15 '11 at 16:22
2
Isn't it incorrect for the minimal gauge coupling and related calculations in Prof. Ezawa's book on quantum Hall effect?
Nov 23 '12 at 15:44
2
Inverse of a sum of two easy matrices
Jun 8 '12 at 15:48
2
Temperature of a System of molecules
Jan 22 '11 at 10:48
1
Symmetries of a Free Massless Scalar in Two Dimensions
Jan 2 '13 at 11:01
1
An integral related to QFT
Nov 22 '11 at 17:54
0
Special relativity version of Feynman's “Space-Time Approach to Non-Relativistic Quantum Mechanics”
Jan 21 '11 at 19:43