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Cham

Montréal, QC, Canada

https://arxiv.org/

I'm a physics teacher. Doing personal research on theoretical physics and cosmology.

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Top Questions
83 votes

Turbulent spacetime from Einstein equation?

general-relativity gravity spacetime turbulence non-linear-systems asked Nov 30, 2015 at 15:34
physics.stackexchange.com

44 votes

Distribution of random points in 3D space to simulate the Crab Nebula

random generative-art asked Mar 8, 2013 at 5:20
mathematica.stackexchange.com

19 votes

Olbers' paradox in a closed space

general-relativity cosmology differential-geometry universe luminosity asked Oct 8, 2016 at 17:05
physics.stackexchange.com

18 votes

Particles bouncing in a 3D box

plotting differential-equations performance-tuning manipulate graphics3d asked Apr 5, 2016 at 3:47
mathematica.stackexchange.com

17 votes

What is "white light" ? Uniform wavelengths or uniform frequencies ?

optics visible-light vision distributions luminosity asked Oct 26, 2016 at 16:20
physics.stackexchange.com

16 votes

The cosmological constant as a Lagrange multiplier?

general-relativity gravity cosmology action cosmological-constant asked Nov 27, 2015 at 3:02
physics.stackexchange.com

15 votes

Ugly matrices to fix

math-mode spacing horizontal-alignment amsmath matrices asked Mar 12, 2020 at 2:11
tex.stackexchange.com

14 votes

FLRW cosmology with a scalar field: what are the phase-space variables?

general-relativity cosmology space-expansion hamiltonian-formalism phase-space asked Dec 19, 2016 at 14:41
physics.stackexchange.com

13 votes

Variation of the Einstein-Hilbert action in $D$ dimensions without the Gibbons-Hawking-York (GHY) term

general-relativity gravity variational-principle action variational-calculus asked Nov 12, 2015 at 5:24
physics.stackexchange.com

13 votes

Gravitational potential energy of any spherical distribution

newtonian-mechanics gravity newtonian-gravity potential-energy integration asked Jun 23, 2017 at 20:09
physics.stackexchange.com

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Top Answers
13
Does an electromagnetic field affect neutral particles via the metric because of the EM stress-energy tensor?
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13
What are the pros and cons of Einstein-Cartan Theory?
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13
Time dilation effects at the center of a binary black hole system
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11
Units in general relativity
physics.stackexchange.com

10
Hamiltonian for relativistic free particle is zero
physics.stackexchange.com

8
How does a spinning electron produce a magnetic field?
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8
Can matter be described as the result of the curvature of space, instead of vice versa?
physics.stackexchange.com

8
A Question On Indices Notation In General Relativity
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7
Why do many people say that virtual particles do not conserve energy?
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7
What is the reason for assuming the scattered far-field wave function to be in the form of $f(\theta,\phi) \frac{e^{ik r}}{r}$?
physics.stackexchange.com

7
Why is underaccent symbol not centered?
tex.stackexchange.com

6
How does the emf "know" what the magnetic flux is?
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6
What is negative energy and how does it predict antimatter?
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6
Geodesic equation in Einstein-Cartan manifold
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6
Is it ever useful to factor the metric tensor as $g = A^T A$?
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5
Assumed symmetry of Christoffel Symbols
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5
Does a single atom have entropy?
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