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mattiav27
  • Member for 10 years, 1 month
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  • Italy
29 votes
2 answers
6k 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
1k views

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

5 votes
0 answers
95 views

How to derive the ADM form of this relativistic Hamiltonian?

4 votes
3 answers
368 views

Can we dispense with the Manifold in General Relativity?

4 votes
2 answers
286 views

A good reference on cosmic ray?

4 votes
1 answer
164 views

Which experiment could resolve the neutrino mass hierarchy problem?

3 votes
1 answer
4k views

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

3 votes
1 answer
409 views

An error in exercise 3.20 in Relativity by Rindler?

3 votes
1 answer
76 views

Pulsar magnetosphere for an observer on the pulsar surface

3 votes
2 answers
443 views

Axially symmetric metric

3 votes
1 answer
194 views

When does the Post-Newtonian expansion break down?

3 votes
1 answer
64 views

General relativistic version of Rankine–Hugoniot jump conditions in fluid dynamics

2 votes
1 answer
125 views

Gravitationally redshifted black body radiation

2 votes
1 answer
201 views

Understanding the GR analogue of the first law of thermodynamic

2 votes
4 answers
188 views

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

2 votes
0 answers
131 views

Diffeomorphism constraint in loop quantum gravity

2 votes
2 answers
286 views

Topology in cosmology

2 votes
1 answer
44 views

What are SEP events in this article?

2 votes
1 answer
348 views

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

2 votes
2 answers
60 views

What is baking and what are the effects?

2 votes
1 answer
248 views

Is entropy quantized in Loop Quantum Gravity?

2 votes
1 answer
139 views

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

2 votes
0 answers
97 views

Magnetic quadrupole and dipole

2 votes
1 answer
735 views

Understanding Fermi gas number density

2 votes
1 answer
223 views

Why impose invariance of the Lagrangian under infinitesimal coordinate transformations?

1 vote
1 answer
146 views

What is the propeller phase of a pulsar?

1 vote
0 answers
47 views

Weak energy condition is violated: which are the consequences?

1 vote
1 answer
264 views

Understanding boundary condition in this exercise

1 vote
0 answers
32 views

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