29,243 reputation
63688
bio website arXiv.org
location Europe
age 48
visits member for 3 years, 1 month
seen 3 mins ago

I'm a theoretical physicist.


2h
comment Why is $SU(3)$ chosen as the gauge group in QCD?
Suggestion to the answer (v2): Mention $SU(N_1)\times\ldots \times SU(N_r)$.
3h
comment What is an intuitive explanation using forces for the equatorial bulge?
Essentially a duplicate of physics.stackexchange.com/q/8074/2451 and links therein.
3h
comment Why is $SU(3)$ chosen as the gauge group in QCD?
If you like this question you may also enjoy reading this post.
3h
comment Quantum Mechanics - Observable
This is either caused by a typo or by an implicit assumption on that web page.
8h
comment Difference Between Algebra of Infinitesimal Conformal Transformations & Conformal Algebra
I plan an update of the answer.
11h
comment Wattage of a motor need to move a load?
Related: physics.stackexchange.com/q/19825/2451 and links therein.
11h
comment how to calculate minimum torque a DC motor needs to move the wheels
Possible duplicates: physics.stackexchange.com/q/19825/2451 and links therein.
11h
comment Question about $E=mc^2$
Related: physics.stackexchange.com/q/19816/2451 , physics.stackexchange.com/q/60091/2451 and links therein.
12h
comment Where does this term “shell” with prefix “on-/off-” come from?
Essentially already answered at the linked Phys.SE post.
19h
comment Quantum Mechanics - Observable
Hi @msd27: Please include the complex conjucate $*$ in your equation. It is also mentioned in the third last formula on the page you link to.
19h
comment Conformal group in two dimensions
Related: physics.stackexchange.com/q/108472/2451
20h
comment Why does Gauss's law work for a charge off center in a spherical surface?
If you like this question you may also enjoy reading this Phys.SE post.
1d
comment group and phase velocity of free particle
Related: physics.stackexchange.com/q/16063/2451 and physics.stackexchange.com/q/34214/2451
1d
comment Reduced mass in quantum physics (Hydrogen Atom)
Related: physics.stackexchange.com/q/91895/2451 and links therein.
1d
comment Angular momentum Bohr's model
Related: physics.stackexchange.com/q/91895/2451 , physics.stackexchange.com/q/78664/2451 , and links therein.
1d
comment Protons and Electrons Occupying the Same Space
Possible duplicates: physics.stackexchange.com/q/20003/2451 , physics.stackexchange.com/q/9415/2451 and links therein.
1d
comment Mandelstam variables 1 positive 2 negative
General intro to Mandelstam variables: en.wikipedia.org/wiki/Mandelstam_variables
1d
comment $\psi^*$ if you have sine or cosine function
Related meta post: meta.physics.stackexchange.com/q/5713/2451
2d
comment Different hamiltonians for quantum harmonic oscillator?
Related: physics.stackexchange.com/q/22506/2451 , physics.stackexchange.com/q/65784/2451 , physics.stackexchange.com/q/90051/2451 , and links therein.
2d
comment Is mathematical mysticism still part of the physical sciences?
The last semantic part of the question (v1) seems related: physics.stackexchange.com/q/35660/2451 , physics.stackexchange.com/q/44706/2451 , physics.stackexchange.com/q/68599/2451 and links therein.