Find answers to your questions about Physics or help others by answering their Physics questions.
Say we've got a charge $q$ moving in a circle. Then in many texts a current due to the charge at any point on the circle is given as...
Asked on 12/27/2020
1 answerI want to generalize the Wigner overlap formula,$Tr( F G ) = 2 pi int_{-infty}^{infty} dq int_{-infty}^{infty} dq W_F(q,p) W_G(q,p)$,where $W_F(q,p)$ and $W_G(q,p)$ are the...
Asked on 12/27/2020 by pcalc
1 answerFrom here, I'm trying to integrate out the massive fields of the $D0$ brane action, expanded around a classical background. I have a ghost action with...
Asked on 12/27/2020
1 answerIf we push a trash can, it will not move until we exceed the maximum force of static friction, but when we exceed the maximum force of friction, will the...
Asked on 12/27/2020 by Mason
2 answerI have a question on the geometrical description of time-dependent quantum states and variatioanl states. I will outline my problem and ask questions along the way.Assume you have a time-dependent...
Asked on 12/27/2020 by Durd3nT
1 answerA delightful article in Deep Sea News illustrates the potent visual effect of "wave-stilling", as Benjamin Franklin called it. Normally, rough terrain is associated with greater...
Asked on 12/27/2020 by Mike Serfas
0 answerRef.1. proves that the allowed representations of Chern-Simons $mathrm{SU}(2)_k$ are those with dimension$$dim(R)le k+1tag{7.53}$$ Question: Is the generalisation of $(7.53)$ to arbitrary $N$ known? What about arbitrary...
Asked on 12/27/2020
1 answerSo Photon has a zero restmass. And Photon can never be at rest. What does this suppose to mean? Additionally, We know that photon carries energy so...
Asked on 12/27/2020
3 answerIf $L(q,dot{q},t)$ is a lagrangian of a system, then $L' = L + frac{dF(q,t)}{dt}$ is also a valid lagrangian and both lagrangians will lead to the same equation...
Asked on 12/27/2020 by Thuliyan
2 answerI am a little bit confused about a basic point in electromagnetism, hope someone might help. I know that (1) a moving charge creates a magnetic field around it. I...
Asked on 12/27/2020 by Federico Ludovico van Borsotti
0 answerGet help from others!
Recent Questions
Recent Answers
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP