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Top Questions
11
votes
What does it mean for a Hamiltonian to be gapped?
quantum-mechanics
condensed-matter
research-level
asked Feb 10 '11 at 14:54
physics.stackexchange.com
9
votes
To calculate the correlation functions of an XX spin chain, Wick's theorem is used. But is it valid for a chain of any size?
quantum-mechanics
statistical-mechanics
spin-chains
asked Dec 17 '10 at 6:48
physics.stackexchange.com
8
votes
Is there a relativistic (quantum) thermodynamics?
quantum-mechanics
thermodynamics
relativity
asked Feb 10 '11 at 15:22
physics.stackexchange.com
8
votes
Questions about the Dyson equation
quantum-field-theory
path-integral
many-body
asked Jun 2 '11 at 22:31
physics.stackexchange.com
7
votes
Once a quantum partition function is in path integral form, does it contain any operators?
quantum-mechanics
statistical-mechanics
path-integral
asked Apr 27 '11 at 9:58
physics.stackexchange.com
5
votes
Can the work done between two non-equilibrium states be calculated?
thermodynamics
non-equilibrium
asked Feb 10 '11 at 16:23
physics.stackexchange.com
5
votes
What's the definition of the time ordering operator for more than two particles?
quantum-field-theory
asked Jul 15 '11 at 0:26
physics.stackexchange.com
Top Answers
No answers with score of 5 or more
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