Skip to main content
Physics
Cham's user avatar
Cham's user avatar
Cham's user avatar
Cham
  • Member for 8 years, 8 months
  • Last seen this week
Profile Activity
Stats
7,592
reputation
325k
reached
123
answers
158
questions
Communities
View all
About

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

Badges
View all badges
4
gold badges
27
silver badges
67
bronze badges
Top tags
View all tags
148
Score
118
Posts
42
Posts %
50
Score
38
Posts
14
Posts %
43
Score
24
Posts
9
Posts %
36
Score
39
Posts
14
Posts %
33
Score
65
Posts
23
Posts %
28
Score
24
Posts
9
Posts %
Top posts
View all questions and answers
82
Turbulent spacetime from Einstein equation?
Nov 30, 2015
18
Olbers' paradox in a closed space
Oct 8, 2016
15
The cosmological constant as a Lagrange multiplier?
Nov 27, 2015
15
What is "white light" ? Uniform wavelengths or uniform frequencies ?
Oct 26, 2016
13
Time dilation effects at the center of a binary black hole system
Feb 1, 2022
13
Does an electromagnetic field affect neutral particles via the metric because of the EM stress-energy tensor?
Aug 19, 2018
13
FLRW cosmology with a scalar field: what are the phase-space variables?
Dec 19, 2016
12
Variation of the Einstein-Hilbert action in $D$ dimensions without the Gibbons-Hawking-York (GHY) term
Nov 12, 2015
12
Is there a "square root" version of the Einstein field equation?
Sep 21, 2017
12
Gravitational potential energy of any spherical distribution
Jun 23, 2017
Top network posts
View all network posts
44
Distribution of random points in 3D space to simulate the Crab Nebula
16
Particles bouncing in a 3D box
15
Ugly matrices to fix
12
What is wrong with the $f$ symbol?
11
How to add a fading trail effect in Animate?