User Michael Williams

3 answers

11 votes

1k views

2 bookmarks

Is it possible for a lightning strike to hit the ground if there are high rise buildings nearby?

Jun 1 '18 at 12:27

1 answers

8 votes

494 views

4 bookmarks

BTZ black hole as an identification of $AdS_3$

general-relativity gravity black-holes anti-de-sitter-spacetime

Aug 19 '18 at 19:38

0 answers

6 votes

129 views

2 bookmarks

Target space of boundary CFT dual to a bulk string theory ($AdS_3/CFT_2$)

string-theory conformal-field-theory ads-cft instantons moduli

Feb 10 '21 at 14:19

0 answers

6 votes

51 views

3 bookmarks

In general, do critical points of continuous phase transitions have $\beta =0$?

quantum-field-theory renormalization phase-transition critical-phenomena mean-field-theory

Jul 7 '20 at 15:37

1 answers

4 votes

93 views

1 bookmarks

References for larger black hole behind the horizon of a smaller black hole

general-relativity black-holes resource-recommendations event-horizon

Apr 13 at 14:13

0 answers

4 votes

45 views

Relation between bulk Hamiltonian in AdS and stress energy of CFT

gravity conformal-field-theory stress-energy-momentum-tensor ads-cft

Dec 13 '20 at 13:49

0 answers

4 votes

55 views

2 bookmarks

Is the AdS Hamiltonian the same as the CFT Hamiltonian?

hamiltonian-formalism ads-cft

Dec 12 '20 at 6:39

1 answers

3 votes

242 views

2 bookmarks

Constraints in general relativity

general-relativity hamiltonian-formalism stress-energy-momentum-tensor constrained-dynamics linearized-theory

Dec 10 '18 at 13:57

1 answers

3 votes

926 views

2 bookmarks

Metric for 2D de Sitter?

general-relativity differential-geometry metric-tensor de-sitter-spacetime

Dec 10 '18 at 1:59

1 answers

3 votes

181 views

Magnetism - Large Spin Limit

statistical-mechanics partition-function spin-models

Apr 28 '18 at 11:29

0 answers

3 votes

286 views

2 bookmarks

Hubbard Model: Mean field theory and ferromagnetism

condensed-matter models ferromagnetism mean-field-theory

May 6 '18 at 19:17

1 answers

2 votes

60 views

1 bookmarks

Is the massless scalar's vacuum in flat space a non-normalizable state?

quantum-mechanics quantum-field-theory hilbert-space vacuum

Mar 7 at 15:48

0 answers

2 votes

37 views

Order of topological phase transitions

phase-transition topological-phase mean-field-theory

Feb 21 '21 at 16:45

0 answers

2 votes

63 views

1 bookmarks

Question regarding the degeneracy of vacuum state in various spacetimes

quantum-field-theory general-relativity spacetime quantum-gravity vacuum

Dec 4 '18 at 4:13

1 answers

1 votes

54 views

Do the terms "basin of attraction of fixed point" and "critical surfaces" denote the same thing?

quantum-field-theory renormalization phase-transition critical-phenomena

Dec 15 '20 at 10:16

1 answers

1 votes

129 views

Third law of thermodynamics - A contradiction?

thermodynamics statistical-mechanics

Jan 25 '20 at 11:20

0 answers

1 votes

227 views

2 bookmarks

Regarding R-symmetry in SUSY algebra

quantum-field-theory supersymmetry

May 21 '18 at 16:12

1 answers

0 votes

43 views

Flat space limit of the $AdS$ metric: Very basic question

special-relativity cosmological-constant anti-de-sitter-spacetime

Mar 11 at 10:09

1 answers

0 votes

73 views

Confusion between Green function and solution of equation of motion in Witten's paper on holography and AdS

string-theory greens-functions ads-cft anti-de-sitter-spacetime

Mar 1 '20 at 11:33

1 answers

0 votes

157 views

1 bookmarks

Regarding R-symmetry in SUSY algebra - II

quantum-field-theory supersymmetry

May 21 '18 at 16:57

Stack Exchange Network

current community

your communities

more stack exchange communities

20 Questions