Physics
Siyuan Ren's user avatar
Siyuan Ren's user avatar
Siyuan Ren's user avatar
Siyuan Ren
  • Member for 12 years, 6 months
  • Last seen more than a month ago
Profile Activity
Stats
4,902
reputation
635k
reached
67
answers
21
questions
Communities
View all
Badges
View all badges
3
gold badges
25
silver badges
37
bronze badges
Top tags
View all tags
62
Score
13
Posts
15
Posts %
39
Score
4
Posts
5
Posts %
37
Score
24
Posts
27
Posts %
28
Score
13
Posts
15
Posts %
19
Score
4
Posts
5
Posts %
16
Score
4
Posts
5
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
33
What is the physical meaning of the affine parameter for null geodesic?
Nov 27, 2011
answer
28
When is the Hamiltonian of a system not equal to its total energy?
Jul 6, 2011
answer
27
If you view the Earth from far enough away can you observe its past?
Jul 6, 2011
answer
20
What is the difference between electric potential, electrostatic potential, potential difference (PD), voltage and electromotive force (EMF)?
Oct 6, 2011
question
20
How to prove that orthochronous Lorentz transformations $O^+(1,3)$ form a group?
Sep 14, 2012
question
15
Calculating the commutator of Pauli-Lubanski operator and generators of Lorentz group
Sep 28, 2012
question
13
How to derive Fermi-Dirac and Bose-Einstein distribution using canonical ensemble?
Dec 21, 2011
question
13
Why does photon have only two possible eigenvalues of helicity? [duplicate]
Jun 8, 2012
answer
11
What is the difference between Newtonian and Lagrangian mechanics in a nutshell?
Jul 6, 2011
answer
10
What is the physical meaning of the energy density of an electrostatic field?
Jan 7, 2012
Top network posts
View all network posts
169
View array in LLDB: equivalent of GDB's '@' operator in Xcode 4.1
64
Does auto deduce the type at compile time or runtime in C++ 11?
63
tmux not colorizing PS1 prompt
49
How to use Intellij Idea's exception breakpoints
37
What is the relationship between Xcode and Xcode command line tools

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.