User lgotta

4 votes

1 answer

140 views

Jensen's inequality on (super)operator exponential

asked Jun 17 at 16:49

3 votes

1 answer

492 views

XXZ chain exact ground state energy

asked Oct 5, 2020 at 15:33

3 votes

1 answer

128 views

Integrability of long range Heisenberg chain

asked Nov 29, 2023 at 22:59

2 votes

1 answer

268 views

Meaning of many-body $n$-particle gaps

asked May 29, 2021 at 16:11

2 votes

2 answers

71 views

Physical pendulum: axis of rotation

asked Apr 7 at 21:18

2 votes

0 answers

47 views

Mean-field self-consistency and thermodynamic limit

asked May 17 at 12:45

1 vote

1 answer

477 views

MPS canonical form

asked Oct 24, 2023 at 16:08

1 vote

1 answer

697 views

General clarifications about the Lindblad equation

asked Mar 13, 2022 at 14:26

1 vote

0 answers

100 views

Meaning of lattice gauge theories

asked Nov 23, 2022 at 13:21

1 vote

0 answers

33 views

Wick theorem for $N$-particle Matsubara green function: equal time contraction [duplicate]

asked Jan 31, 2023 at 22:13

1 vote

1 answer

96 views

Stationary state of Lindblad equation

asked Mar 11 at 18:11

0 votes

0 answers

168 views

Lorentz-invariant measure in Klein-Gordon field

asked Jan 30, 2021 at 0:02

0 votes

0 answers

59 views

Most general Fock state of spin-1/2 fermions: a parametrization

asked Oct 19, 2023 at 12:02

0 votes

0 answers

16 views

Lattice gauge theories and commuting-operator Hamiltonians

asked Sep 16 at 12:03

0 votes

0 answers

43 views

Fourier transform of spin Matsubara Green function

asked Jun 2 at 23:17

0 votes

0 answers

33 views

Constant in mean-field Hamiltonian

asked Apr 16 at 14:14

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16 Questions

Jensen's inequality on (super)operator exponential

XXZ chain exact ground state energy

Integrability of long range Heisenberg chain

Meaning of many-body $n$-particle gaps

Physical pendulum: axis of rotation

Mean-field self-consistency and thermodynamic limit

MPS canonical form

General clarifications about the Lindblad equation

Meaning of lattice gauge theories

Wick theorem for $N$-particle Matsubara green function: equal time contraction [duplicate]

Stationary state of Lindblad equation

Lorentz-invariant measure in Klein-Gordon field

Most general Fock state of spin-1/2 fermions: a parametrization

Lattice gauge theories and commuting-operator Hamiltonians

Fourier transform of spin Matsubara Green function

Constant in mean-field Hamiltonian