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17 votes

2 answers

14k views

Fermi surface nesting and CDW/SDW/SC orders

condensed-matter

asked Dec 1, 2012 at 14:35

13 votes

3 answers

4k views

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

asked Jan 6, 2013 at 16:42

10 votes

1 answer

475 views

Lagrangian for Goldstone mode + topological excitation

condensed-matter field-theory lagrangian-formalism topology

asked Dec 6, 2012 at 9:22

10 votes

1 answer

1k views

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

electromagnetism condensed-matter

asked Aug 28, 2012 at 8:57

8 votes

2 answers

603 views

Many faces of linear response theory

quantum-field-theory condensed-matter linear-systems

asked Nov 13, 2012 at 14:40

7 votes

2 answers

2k views

Why are Topological Superconductors hard to make?

condensed-matter topological-order topological-field-theory topological-insulators superconductivity

asked Nov 9, 2012 at 5:41

7 votes

2 answers

3k views

First Chern number, monopoles and quantum Hall states

mathematical-physics topology quantum-hall-effect dirac-monopole

asked Jan 25, 2013 at 9:23

7 votes

1 answer

453 views

What is the simplest possible topological Bloch function?

topology electronic-band-theory

asked Dec 29, 2012 at 16:58

7 votes

1 answer

212 views

Incoherent assumption of the parton model

quantum-field-theory nuclear-physics

asked Nov 9, 2014 at 2:53

6 votes

2 answers

309 views

Ricci scalar and General Relativity cartoon pictures

general-relativity differential-geometry

asked Aug 12, 2016 at 21:07

6 votes

1 answer

6k views

What is the Laughlin argument?

quantum-hall-effect adiabatic linear-systems

asked Dec 17, 2012 at 15:30

6 votes

1 answer

304 views

Logic behind topological orders

quantum-entanglement topological-order

asked Dec 6, 2012 at 10:08

6 votes

2 answers

2k views

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

quantum-mechanics condensed-matter computational-physics wick-rotation

asked Sep 29, 2012 at 15:25

5 votes

1 answer

1k views

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

quantum-field-theory condensed-matter field-theory

asked Oct 21, 2012 at 15:52

5 votes

2 answers

1k views

Diagram-like perturbation theory in quantum mechanics

quantum-mechanics perturbation-theory feynman-diagrams

asked Oct 27, 2012 at 16:54

5 votes

1 answer

565 views

Are Hall edge currents truly dissipationless?

topological-order quantum-hall-effect

asked Dec 17, 2012 at 8:26

4 votes

0 answers

174 views

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

gravity electromagnetic-radiation

asked Feb 12, 2016 at 3:41

4 votes

2 answers

1k views

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

condensed-matter topological-field-theory topological-insulators

asked Aug 28, 2012 at 17:03

3 votes

2 answers

666 views

Is the artificial gauge field a gauge field?

gauge-theory field-theory atomic-physics gauge-invariance berry-pancharatnam-phase

asked Dec 10, 2012 at 15:47

3 votes

1 answer

121 views

Human eyes vs aberrations

optics vision

asked Nov 9, 2012 at 5:50

3 votes

2 answers

72 views

What is the minimal discrete model of wave propagations?

thermodynamics waves discrete diffusion randomness

asked Dec 19, 2016 at 17:55

3 votes

2 answers

470 views

Proof of quantization of magnetic charge of monopoles using homotopy groups

mathematical-physics gauge-theory topology magnetic-monopoles dirac-monopole

asked Feb 1, 2013 at 8:14

2 votes

0 answers

187 views

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

fermions

asked Apr 16, 2013 at 10:15

2 votes

0 answers

93 views

When does "solve and plugin" fail?

lagrangian-formalism hamiltonian-formalism variational-principle constrained-dynamics optimization

asked Nov 2, 2016 at 5:43

2 votes

1 answer

166 views

Crystal magnetic response only skin deep?

electromagnetism condensed-matter superconductivity

asked Sep 16, 2012 at 10:21

2 votes

1 answer

105 views

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

electromagnetism experimental-physics

asked Oct 8, 2012 at 7:46

1 vote

1 answer

522 views

Is quantum Hall current density local? (${\bf j}({\bf r}) = \sigma_H {\bf \hat n \times E}({\bf r}) $)

condensed-matter quantum-hall-effect

asked Sep 20, 2012 at 9:44

1 vote

3 answers

212 views

How to incorporate effects of gravity in a many-electron system?

gravity condensed-matter

asked Sep 13, 2012 at 8:16

1 vote

2 answers

952 views

high spin atoms SU(2) representation

group-theory group-representations lie-algebra atomic-physics

asked Nov 17, 2012 at 16:24

1 vote

0 answers

549 views

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

quantum-mechanics condensed-matter

asked May 12, 2013 at 9:06

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32 Questions

Fermi surface nesting and CDW/SDW/SC orders

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

Lagrangian for Goldstone mode + topological excitation

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

Many faces of linear response theory

Why are Topological Superconductors hard to make?

First Chern number, monopoles and quantum Hall states

What is the simplest possible topological Bloch function?

Incoherent assumption of the parton model

Ricci scalar and General Relativity cartoon pictures

What is the Laughlin argument?

Logic behind topological orders

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

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

Diagram-like perturbation theory in quantum mechanics

Are Hall edge currents truly dissipationless?

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

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

Is the artificial gauge field a gauge field?

Human eyes vs aberrations

What is the minimal discrete model of wave propagations?

Proof of quantization of magnetic charge of monopoles using homotopy groups

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

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?

Is quantum Hall current density local? (${\bf j}({\bf r}) = \sigma_H {\bf \hat n \times E}({\bf r}) $)

How to incorporate effects of gravity in a many-electron system?

high spin atoms SU(2) representation

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