User Beyond-formulas

34 votes

4 answers

8k views

How can we recover the Newtonian gravitational potential from the metric of general relativity?

asked Oct 11, 2015 at 14:24

8 votes

5 answers

1k views

In GR, why should the spacetime manifold be differentiable?

asked May 21, 2015 at 19:18

7 votes

3 answers

4k views

GR: Pseudo Riemannian or Riemannian?

asked Oct 29, 2015 at 17:52

4 votes

2 answers

302 views

Typo or not in those GR notes?

asked Oct 24, 2015 at 22:53

4 votes

1 answer

367 views

Can Bosons couple to gravity? Why do we need vielbein?

asked May 21, 2015 at 21:43

4 votes

1 answer

2k views

Scale invariance in QFT?

asked May 4, 2015 at 10:38

4 votes

5 answers

13k views

What is a Christoffel symbol?

asked Oct 12, 2015 at 18:13

4 votes

1 answer

790 views

Why do people put exponentials there

asked Oct 20, 2015 at 15:38

4 votes

4 answers

3k views

Gravitational potential in GR

asked Jun 13, 2015 at 2:08

3 votes

1 answer

321 views

Difference of connections in the Killing vector equation

asked Jun 15, 2015 at 14:34

3 votes

1 answer

1k views

Maxwell and Bianchi equations

asked Sep 18, 2015 at 19:46

3 votes

2 answers

892 views

Understanding why a stationary and spherically symmetric metric is automatically static

asked Jun 9, 2015 at 21:07

3 votes

1 answer

1k views

Manifolds, unit 2-sphere and stereographic projection

asked May 21, 2015 at 15:10

3 votes

2 answers

121 views

What is $\mathcal{L}_M$?

asked Oct 21, 2015 at 17:32

2 votes

4 answers

2k views

Special Relativity and Gravity

asked Oct 8, 2015 at 16:25

2 votes

2 answers

143 views

What does naturally mean here?

asked Oct 29, 2015 at 19:35

2 votes

1 answer

322 views

Killing vector and one-form [closed]

asked Jan 5, 2016 at 1:26

2 votes

2 answers

2k views

Different signatures

asked Jun 10, 2015 at 0:08

2 votes

1 answer

225 views

Does scale invariance imply massless or continuous mass distribution?

asked May 17, 2015 at 11:46

2 votes

2 answers

1k views

Effective field theory (EFT) and Renormalizability

asked May 17, 2015 at 21:28

1 vote

0 answers

78 views

What does mathematical equivalence means here?

asked May 12, 2015 at 18:29

1 vote

2 answers

168 views

Why acceleration cannot vanish everywhere?

asked Jun 11, 2015 at 17:58

1 vote

1 answer

491 views

Canonical spinors from gauge transformations

asked Aug 2, 2015 at 17:33

1 vote

2 answers

96 views

Maintaining symmetry? [closed]

asked Oct 20, 2015 at 18:04

1 vote

1 answer

93 views

Lorentz group in SUSY

asked Jan 9, 2016 at 9:59

1 vote

2 answers

1k views

What does diagonalization mean here?

asked Jan 17, 2016 at 15:56

1 vote

1 answer

124 views

contraction of the spinor F with a conjugate spino $\bar{\epsilon}$ is bosonic?

asked Jan 21, 2016 at 20:07

1 vote

2 answers

478 views

Why supergravity is extension of GR?

asked Dec 25, 2015 at 13:50

1 vote

2 answers

730 views

What exactly is $T_{\mu\nu}$?

asked Oct 10, 2015 at 18:12

0 votes

2 answers

182 views

Why $\delta F = B\epsilon$ and not $F=B \epsilon$ in supersymmetry?

asked Dec 27, 2015 at 23:45

Stack Exchange Network

36 Questions

How can we recover the Newtonian gravitational potential from the metric of general relativity?

In GR, why should the spacetime manifold be differentiable?

GR: Pseudo Riemannian or Riemannian?

Typo or not in those GR notes?

Can Bosons couple to gravity? Why do we need vielbein?

Scale invariance in QFT?

What is a Christoffel symbol?

Why do people put exponentials there

Gravitational potential in GR

Difference of connections in the Killing vector equation

Maxwell and Bianchi equations

Understanding why a stationary and spherically symmetric metric is automatically static

Manifolds, unit 2-sphere and stereographic projection

What is $\mathcal{L}_M$?

Special Relativity and Gravity

What does naturally mean here?

Killing vector and one-form [closed]

Different signatures

Does scale invariance imply massless or continuous mass distribution?

Effective field theory (EFT) and Renormalizability

What does mathematical equivalence means here?

Why acceleration cannot vanish everywhere?

Canonical spinors from gauge transformations

Maintaining symmetry? [closed]

Lorentz group in SUSY

What does diagonalization mean here?

contraction of the spinor F with a conjugate spino $\bar{\epsilon}$ is bosonic?

Why supergravity is extension of GR?

What exactly is $T_{\mu\nu}$?

Why $\delta F = B\epsilon$ and not $F=B \epsilon$ in supersymmetry?