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33 Questions

Fermi surface nesting and CDW/SDW/SC orders

Questions about Thouless-Kohmoto-Nightingale-den Nijs (TKNN) paper

Can I integrate out the fermion field that is not gapped?

Lagrangian for Goldstone mode + topological excitation

Incoherent assumption of the parton model

Many faces of linear response theory

First Chern number, monopoles and quantum Hall states

Why are Topological Superconductors hard to make?

What is the simplest possible topological Bloch function?

Ricci scalar and General Relativity cartoon pictures

What is the Laughlin argument?

Logic behind topological orders

Diagram-like perturbation theory in quantum mechanics

Are Hall edge currents truly dissipationless?

What's the difference between background field and dynamical gauge field?

Can I use imaginary time propagation for many-body problems?

What happens when a bare 3d topological insulator is subject to a magnetic field?

What is the minimal discrete model of wave propagations?

Will the photon wavelength fluctuate in the presence of a gravitational wave?

Proof of quantization of magnetic charge of monopoles using homotopy groups

Is the artificial gauge field a gauge field?

Human eyes vs aberrations

When does “solve and plugin” fail?

Crystal magnetic response only skin deep?

Can a SQUID perform real time measurements of a slow varying magnetic flux?

Why doublons and holons are not bounded in spin-1/2 Hubbard chain?

How to put spin-1/2 Fermi sea into real space representation?

2-body interaction energy of 3 particles

Why is low temperature required for optical lattice systems to enter magnetic regime?

high spin atoms SU(2) representation