Everett You's user avatar
Everett You's user avatar
Everett You's user avatar
Everett You
  • Member for 11 years, 10 months
  • Last seen this week
  • La Jolla, San Diego, CA
37 votes
Accepted

What're the relations and differences between slave-fermion and slave-boson formalism?

37 votes
Accepted

What's the rigorous definition of phase and phase transition?

33 votes

Bogoliubov transformation is not unitary transformation, correct?

32 votes
Accepted

Finding the effective Hamiltonian in a certain subspace

27 votes
Accepted

Spontaneous Time Reversal Symmetry Breaking?

21 votes

What is spontaneous symmetry breaking in quantum systems?

21 votes
Accepted

Reconciling topological insulators and topological order

21 votes
Accepted

Is there an algebraic approach for the topological boundary (defect) states?

19 votes
Accepted

Confusion about duality transformation in 1+1D Ising model in a transverse field

19 votes
Accepted

Why there is a flat band for Kagome lattice?

19 votes
Accepted

Third-order phase transition in Landau theory

17 votes
Accepted

Which limit for Matsubara frequency summation?

15 votes

Calculating conductivity from Green's functions

14 votes
Accepted

A question about Haldane's conjecture

13 votes

What is an electron/hole pocket and what is the significance?

13 votes
Accepted

Particle hole symmetry of single site?

13 votes
Accepted

Why is there no anomaly when particle mechanics is quantized?

12 votes
Accepted

Why are most ferromagnets metals while antiferromagnets are insulators?

12 votes
Accepted

Physical Interpretation of Relationship Between Hall Conductivity and Berry Curvature?

12 votes

String-net models on non-trivalent lattices

11 votes
Accepted

Why we call the ground state of Kitaev model a Spin Liquid?

11 votes
Accepted

Why Integer Quantum Hall Effect (IQHE) can only happen in even dimensions?

11 votes
Accepted

Invariant polynomials of the Landau theory of phase transitions (crystal symmetry?)

9 votes
Accepted

Symmetries in physics (specifically condensed matter physics)

9 votes
Accepted

Equivalence of nonlinear sigma model and the $CP^1$ model

9 votes
Accepted

Green's function for 1 D hubbard model?

9 votes
Accepted

Difference between charge density wave and charge distribution

9 votes
Accepted

How many kinds of topological degeneracy are there?

8 votes
Accepted

How to define the order parameter of the q-state Potts model?

8 votes

Spin ice / spin liquid v.s. quantum spin ice / quantum spin liquid

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