Skip to main content
Physics
Qmechanic's user avatar
Qmechanic's user avatar
Qmechanic's user avatar
Qmechanic
Moderator
  • Member for 13 years, 4 months
  • Last seen this week
Profile Activity
Stats
205,682
reputation
6.2m
reached
4,257
answers
0
questions
Communities
View all
About

I'm a theoretical physicist.

Badges
View all badges
48
gold badges
563
silver badges
2,277
bronze badges
Top tags
View all tags
4,370
Score
1,172
Posts
28
Posts %
3,498
Score
731
Posts
17
Posts %
3,279
Score
827
Posts
19
Posts %
2,595
Score
680
Posts
16
Posts %
1,854
Score
520
Posts
12
Posts %
1,818
Score
383
Posts
9
Posts %
Top posts
View all questions and answers
147
Why can't $ i\hbar\frac{\partial}{\partial t}$ be considered the Hamiltonian operator?
Nov 26, 2011
130
Is spacetime flat inside a spherical shell?
Nov 7, 2012
87
Why treat complex scalar field and its complex conjugate as two different fields?
Dec 4, 2013
81
How do I construct the $SU(2)$ representation of the Lorentz Group using $SU(2)\times SU(2)\sim SO(3,1)$?
May 20, 2012
69
Don't understand the integral over the square of the Dirac delta function
Dec 30, 2012
57
Why are Only Real Things Measurable?
Oct 28, 2013
52
Is the converse of Noether's first theorem true: Every conservation law has a symmetry?
May 10, 2012
50
Does Heisenberg's uncertainty under time evolution always grow?
Mar 20, 2011
48
Do an action and its Euler-Lagrange equations have the same symmetries?
Jan 15, 2013
48
Gauge covariant derivative in different books
Feb 24, 2013
Top Meta posts
4
159
52
Why are all questions I visit from other sites protected by Qmechanic?
31
Should we have a Popular Physics SE?
25
Latex/MathJax question: How to number equations?
23
What is the policy for linking? E.g.: Why should we link to abstract pages rather than pdf files? How do we cite arXiv preprints?
20
My question was closed on Phys.SE. Can you recommend me another Internet site where my question might be on-topic?
Top network posts
View all network posts
99
Trackbacks from SE to the arXiv.org?
23
Relation between $SU(4)$ and $SO(6)$
22
Why is the product of two rotation matrices not commutative?
19
Equivalence of Two Lorentz Groups $O(3,1)$ and $O(1,3)$
14
Dirac delta function of non-linear multivariable arguments