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Physics : Recent Questions and Answers (Page 639)

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

In the Double Slit Experiment, what type of wave are we talking about?

I was learning about the double slit experiment and simple explanation is that there is wave interference. Although I do not quite understand the wave bit. We know that light...

Asked on 01/19/2021 by Stack_Sucks

1 answer

Current in a 2D p-wave superconductor

If leads are connected to the edge of a D>1 topological superconductor, will the current flow differently from a conventional s-wave superconductor ?Will the current flow through the gapless...

Asked on 01/19/2021 by symanzik138

0 answer

Common misunderstanding of Birkhoff Theorem

I just found a paper "On a common misunderstanding of the Birkhoff theorem". This means that inside a spherically symmetric thin shell there is no gravitational force,...

Asked on 01/19/2021

1 answer

Stress tensor of fluid in equilibrium, inertial frame

There are some points in this wikipedia chapter. Main equation is: $$ T^{alpha beta} , = left(rho + {p over c^2}right)u^{alpha}u^{beta} + p g^{alpha beta} $$...

Asked on 01/19/2021

1 answer

Relation between the hole in a semispherical parachute and the area of the parachute and drag coefficient of such parachutes

I can't seem to find much information regarding the size of the Vent (the hole). Nor can I find a concrete answer to the value of the drag coefficient, ...

Asked on 01/19/2021

2 answer

Dispersion law for a tight binding Hamiltonian and particle states at $t$$rightarrow$$infty$

A spinless fermion (possessing an electric charge) can move across the sites of...

Asked on 01/19/2021

0 answer

ADM Hamiltonian formalism and Quantum gravity

is there a Hamiltonian reformultion of gravity ?=? if so if we use the usual Quantization scheme we can not we quantizy the gravity ?? in terms of a Gauge...

Asked on 01/19/2021 by Jose Javier Garcia

1 answer

Are these conservation laws always true?

Imagine a system of particles with the internal force on $i^{th}$ particle due to $j^{th}$ particle being given as $f_{ij}$ From the derivation of law of conservation...

Asked on 01/19/2021 by Rishab Navaneet

3 answer

Volume form in terms of the Levi-Civita Symbol

I'm currently reading Sean Carroll's book on General Relativity, and at some point he writes:First notice that the definition of the wedge product allows us to write ...

Asked on 01/19/2021 by pjHart1000

4 answer

Does quantum field theory and field excitations explain the double slit experiment?

I'm a student and I'd like to confirm my understanding of Quantum field theory (QFT). QFT says particles are actually excited states in pre-existing fields. Each field is only excited...

Asked on 01/19/2021 by mano

0 answer

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