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Physics : Recent Questions and Answers (Page 271)

Find answers to your questions about Physics or help others by answering their Physics questions.

Neutron to proton transition matrix element

I am reading the book Advances on Nuclear Physics vol 13 by J. w. Negele and Erich Vogt. On page 33, one is going to calculate a matrix element corresponding...

Asked on 06/10/2021

1 answer

Measure force produced by air pressure in pipe system with valve

I'm attempting to design a system that uses pressurised air to shoot tennis balls and am struggling to find the right mathematics to calculate the necessary air pressure and volume...

Asked on 06/09/2021 by ajnatural

1 answer

Bandwidth of laser pulses

I am working on a practice test for my optics class. The professor does not provide the solutions for the test. I was just wondering if someone could...

Asked on 06/09/2021 by chasep255

1 answer

How is temperature related to quantum vibrational states of molecules?

When a molecule of greenhouse gas absorbs a photon of long wave infrared radiation it is boosted to the next allowed vibrational state. The vibrational state, as I understand it,...

Asked on 06/09/2021 by Dennis Keierleber

1 answer

Conceptual question on eigenvectors in quantum mechanics

Page number 1 on Quantum Many-Particle Systems by John W. Negele and Henri Orland says the following about quantum mechanical position eigenvector $|rrangle$ & momentum eigenvector $|prangle$ in...

Asked on 06/09/2021

2 answer

Are anyons non local?

Studying anyonic statistics in 2 dimensions, I naturally thought to ask the question of whether anyons are non local, since as we braid one around another, no matter the distance...

Asked on 06/09/2021

0 answer

How does the process $bar{K}^0+p to Lambda^0+pi^+$ work?

I was asked to find an energy for the $bar{K}^0+p to Lambda^0+pi^+$ interaction for an exercise and I got curious about how the Feynman diagram for this process would...

Asked on 06/09/2021 by Mipeal

1 answer

Is it right to say this regarding Newton’s third law of motion?

If a apply a force(Pull it) F ext on the wall which can move.The wall will move which is...

Asked on 06/09/2021

2 answer

Are there any quantum theories where particles have discrete probability distributions?

I have done a bit of searching for an answer to this question, but I am an amateur and suspect I lack the proper "language" to describe what I'm actually...

Asked on 06/09/2021 by Snafu450

1 answer

Why is parameter $q$ of $U_q(mathfrak{sl}_2)$ being root of unity a problem?

I am recently studying the quantum groups and the exactly solvable models. I understand the solution of the Yang-Baxter equation is elements in $U_q(mathfrak{sl}_2)$. I am informed that when...

Asked on 06/09/2021 by Noah Ren

0 answer

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