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Timothy's user avatar
Timothy
  • Member for 10 years, 3 months
  • Last seen more than 2 years ago
31 votes
2 answers
11k views

Basic questions in Majorana fermions

14 votes
1 answer
2k views

What is topological degeneracy in condensed matter physics?

14 votes
2 answers
6k views

What is off-diagonal long range order in superfluid?

14 votes
2 answers
3k views

Derivation of Rashba spin-orbit coupling in tight-binding model

12 votes
2 answers
9k views

The definition of Density of States

11 votes
1 answer
2k views

Third-order phase transition in Landau theory

10 votes
1 answer
9k views

Particle density operator in second quantization form

9 votes
3 answers
2k views

Difference between Monte Carlo and Quantum Monte Carlo methods?

9 votes
3 answers
9k views

Physical meaning of magnetic length

7 votes
2 answers
7k views

Sign of the hopping integral in tight binding model

6 votes
1 answer
1k views

Symmetry breaking in Bose-Hubbard model

6 votes
3 answers
6k views

Why do we need different ensembles in statistical mechanics?

6 votes
1 answer
1k views

Aharonov-Bohm Effect and Integer Quantum Hall Effect

6 votes
1 answer
3k views

Chern number in condensed matter physics

5 votes
3 answers
4k views

Maxwell equations invariant under Lorentz transformation but not Galilean transformations

5 votes
1 answer
827 views

The critical point of Bose-Hubbard model

5 votes
1 answer
372 views

Bose-Einstein condensate for general interacting systems

5 votes
2 answers
222 views

How to realize long-range interaction of colds atom in an optical lattice?

5 votes
0 answers
140 views

How to distinguish Bose glass and superfluid phases in a harmonic trap?

4 votes
3 answers
601 views

Why doesn't magnetic monopole found in spin ice modify the Maxwell's Equations?

3 votes
2 answers
2k views

the difference between the operators between $\delta$ and $d$

3 votes
1 answer
904 views

Why there is no negative temperature [duplicate]

3 votes
1 answer
279 views

Nonlocal Transport in the Quantum Spin Hall State

3 votes
1 answer
2k views

Zero Resistance in Quantum Hall Effect and Superconductivity

3 votes
1 answer
247 views

Difference between Wigner crystal state and fractional quantum Hall (FQH) state

3 votes
1 answer
2k views

Why the chemical potential of massless boson is zero? [duplicate]

2 votes
1 answer
334 views

classical quantum particles in grand canonical ensemble

2 votes
1 answer
2k views

Selection rules in Stark effect

2 votes
2 answers
963 views

A commutation problem in Hubbard model

2 votes
1 answer
1k views

Phase shift in electromagnetic potential