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mattiav27
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28 votes
2 answers
5k views

Do black holes have a moment of inertia?

5 votes
1 answer
1k views

An error in Gravitation by Misner Thorne and Wheeler?

5 votes
1 answer
798 views

How do I calculate the electron density of a gold atom?

5 votes
0 answers
92 views

How to derive the ADM form of this relativistic Hamiltonian?

4 votes
3 answers
265 views

Can we dispense with the Manifold in General Relativity?

4 votes
2 answers
221 views

A good reference on cosmic ray?

4 votes
1 answer
113 views

Which experiment could resolve the neutrino mass hierarchy problem?

3 votes
1 answer
72 views

Pulsar magnetosphere for an observer on the pulsar surface

3 votes
2 answers
175 views

Axially symmetric metric

2 votes
0 answers
85 views

Diffeomorphism constraint in loop quantum gravity

2 votes
2 answers
253 views

Topology in cosmology

2 votes
1 answer
141 views

When does the Post-Newtonian expansion break down?

2 votes
4 answers
167 views

Why the factor $(1+z)^4$?

2 votes
1 answer
39 views

What are SEP events in this article?

2 votes
1 answer
320 views

Is this problem from Griffiths' "Classical electromagnetism" correct?

2 votes
1 answer
2k views

How is the cross section related to the probability of a process?

2 votes
1 answer
206 views

Is entropy quantized in Loop Quantum Gravity?

2 votes
1 answer
99 views

How do I calculate the tensor of inertia of a non-rigid body?

2 votes
0 answers
87 views

Magnetic quadrupole and dipole

2 votes
1 answer
270 views

Understanding Fermi gas number density

2 votes
1 answer
157 views

Why impose invariance of the Lagrangian under infinitesimal coordinate transformations?

2 votes
2 answers
57 views

What is baking and what are the effects?

1 vote
0 answers
45 views

Weak energy condition is violated: which are the consequences?

1 vote
0 answers
57 views

How do I estimate the endpoint energy for the proton?

1 vote
1 answer
76 views

Are there any black hole neutron star binary?

1 vote
0 answers
32 views

Is this a good approximation for the initial velocity of the electron?

1 vote
1 answer
3k views

How do you calculate the density of free electron for alluminium and silicon? [closed]

1 vote
1 answer
105 views

What is the propeller phase of a pulsar?

1 vote
0 answers
251 views

Is CSDA (continuous slowing down approximation) valid only for high energies?

1 vote
1 answer
181 views

Understanding boundary condition in this exercise