DO NOT USE THIS TAG just because your question involves math! If your question is on simplification of a mathematical expression, please ask it at math.stackexchange.com The mathematics tag covers non-applied pure mathematical disciplines that are traditionally not part of the mathematical physics ...
16
votes
7answers
2k views
Classical mechanics without coordinates book
I am a math grad student who would like to learn some classical mechanics. The caveat is I am not to interested in the standard coordinate approach. I can't help but think of the fields that arise in ...
2
votes
1answer
1k views
Spherical wave as sum of plane waves
How can we do this computation?
$\iiint_{R^3} \frac{e^{ik'r}}{r} e^{ik_1x+k_2y+k_3z}dx dy dz$
where $r=\sqrt{x^2+y^2+z^2}$ ? I think we must use distributions...
Physically, it's equivalent to ...
3
votes
2answers
241 views
Are gauge choices in electrodynamics really always possible?
If B is magnetic field and E electric Field, B=rotA, E= -gradV+dA/dt.There is Gauge's invariance, for the trasformation A'->A+gradL/dt, V'->V-dL/dt. Now, we can write:
-Coulomb Gauge : the choice of a ...
-2
votes
4answers
2k views
Meaning and application of convolution or deconvolution in physical sciences
In which real case scenarios a convolution or deconvolution operation is useful ?
37
votes
14answers
4k views
Number theory in Physics
As a Graduate Mathematics student, my interests lies in Number theory. I am curious to know if Number theory has any connections or applications to physics. I have never even heard of any applications ...
15
votes
9answers
3k views
How should a physics student study mathematics? [closed]
Note: I will expand this question with more specific points when I have my own internet connection and more time (we're moving in, so I'm at a friend's house).
This question is broad, involved, and ...
25
votes
10answers
4k views
Best books for mathematical background?
What are the best textbooks to read for the mathematical background you need for modern physics, such as, string theory?
Some subjects off the top of my head that probably need covering:
...
