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Physics
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s.harp
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7 Questions

Views Newest Activity Votes
2
7
votes
1
answer
769
views

Strange use of complex analysis in Weinberg QFT 1?

quantum-field-theory scattering integration analyticity
Sep 25 '16 at 21:40 Qmechanic♦ 118k
 
3
votes
0
answers
147
views

Why does decay of correlations imply absence of order?

statistical-mechanics correlation-functions
Aug 25 '15 at 15:07 s.harp 340
 
2
votes
2
answers
940
views

Killing field in Minkowski space-time

special-relativity differential-geometry metric-tensor coordinate-systems vector-fields
Dec 30 '15 at 15:27 Community♦ 1
 
2
votes
1
answer
433
views

Does the Unruh effect really describe a thermal bath?

quantum-field-theory special-relativity statistical-mechanics unruh-effect
Jun 18 '15 at 17:30 cesaruliana 2,006
 
1
vote
1
answer
108
views

How does a $\Theta$ function arise in this correlator?

quantum-field-theory symmetry-breaking dirac-delta-distributions correlation-functions
May 16 '16 at 15:44 Qmechanic♦ 118k
 
0
votes
1
answer
193
views

Is it possible to decompose into eigenstates of Dirac Hamiltonian?

quantum-mechanics hilbert-space dirac-equation
Feb 20 '16 at 21:31 Community♦ 1
 
0
votes
1
answer
806
views

What are the 1PI correlations functions?

quantum-field-theory correlation-functions 1pi-effective-action
Sep 23 '15 at 19:56 Steven Mathey 3,706
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