Find answers to your questions about Physics or help others by answering their Physics questions.
I have heard that even atomic clocks lose a second every billion years or so. That raises the question, is it even theoretically possible for a perfect clock to exist,...
Asked on 05/29/2021
6 answerFollowing the representation used in [1, pag. 11] the solution of the Dirac equation in polar coordinates for energy $E$ is of the type: $$ psi_{Ekappa m}(bf{r})= dfrac{1}{r}...
Asked on 05/29/2021 by 081N
0 answerI was doing research on General Relativity and Einstein's field equations and pondered on a device using that would generate artificial gravity without the use of rotational...
Asked on 05/29/2021 by PhysicsGG
2 answerIn the beginning of a SUSY course, we computed $1$-loop level corrections to the mass of a bosons $phi$ and a fermion $psi$ in the theory...
Asked on 05/29/2021
1 answerI'm trying to understand an example of the Doppler effect. Let's say we have an object moving at $100 dfrac{text{km}}{text{h}}$ ($27.7 dfrac{text{m}}{text{s}}$) and emitting a frequency...
Asked on 05/29/2021
1 answerFor a particle interacting with magnetic field applied along the z-direction and confined to 3D cubic box of length L. How can one interpret the magnetic length(l) and how does...
Asked on 05/29/2021
0 answerConsider a generic N-degree-of-freedom quantum system with equally spaced energy levels ($Delta E = hbar w$) described by the Hamiltonian $H=sum_{n=0}^{N-1} nhbar w|nrangle langle n |$. This quantum...
Asked on 05/29/2021
0 answerIt's been a while since I've done any dynamics. My initial thoughts were that it would not, due to the d'Alembert forces in a non-inertial reference frame. No torque/angular velocity...
Asked on 05/29/2021 by Calen McLean
2 answerThe dispersion relation for a semiconductor is $$frac{hbar^2 k^2}{2m^*}=sqrt{alpha E+E_g^2}-E_g$$ where $E$ is the energy from the conduction band edge, $E_g$ is the bandgap energy, $m^*$...
Asked on 05/29/2021
1 answerConsider an inertial observer in flat spacetime with a choice of coordinates $(t,{vec x})$. This observer can expand a quantum field $hat{phi}$ in more than one complete set...
Asked on 05/29/2021
3 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP