Physics Questions, Problems & Solutions : TransWikia.com ~ Page 191

Relative motions, between inertial and non-inertial frames or bodies

I had no other way to put my problem to you guys thus I am taking an example.... Here,aA...

Asked on 07/12/2021

0 answer

How to understand the Einstein Delay?

In pulsar timing, one of the post-Keplerian parameters is the Einstein delay $Delta E$. The total `flight time' of a photon emitted from a pulsar is...

Asked on 07/12/2021

1 answer

Meaning of many-body $n$-particle gaps

I would like to ask what it means exactly for a many-body system to have a nonzero $n$-particle gap.If I have a spectrum for each number sector of...

Asked on 07/12/2021 by lgotta

1 answer

Convert Temperature into Speed/Kinetic Energy

If the temperature of an object is simply a measurement of the average kinetic energy of the molecules within it; is it possible to convert the temperature of an object,...

Asked on 07/12/2021

1 answer

Proving this modified classical 2D Ising Hamiltonian has a phase transition

Consider the following Hamiltonian with a local Hilbert space $mathcal{H}=mathcal{H}_Deltaotimes mathcal{H}_{Ising}congmathbb{C}^2otimesmathbb{C}^2 $. Denote an $Ltimes L $ square lattice as $Lambda(L)$Let the classical 2D Ising model...

Asked on 07/12/2021 by user138901

0 answer

Does kinetic energy qualify as negative energy in the wormhole of Kip Thorne and Mike Morris?

Referring to Lagrangian methods if potential energy of gravity is considered as positive energy, then kinetic energy should be considered negative. Recent publications on frame dragging could suggest that kinetic...

Asked on 07/12/2021 by Sukrit Keshav

1 answer

$SU(2)$ Symmetry of Hubbard Model

I am confused with the $SU(2)$ spin rotation symmetry of the fermion Hubbard Hamiltonian. If the Hubbard model has $SU(2)$ rotational symmetry, it means that the Hubbard Hamiltonian...

Asked on 07/12/2021 by Ricky Pang

1 answer

Suppose you put your hands on a wall and push it

Suppose you put your hands on a wall and push it. If neither the wall or you accelerate, how could one calculate the force?...

Asked on 07/12/2021

4 answer

Does the elasticity of a collision depend partially on the initial speed

If I have an object and a wall (assumed to not be able to move) and collide them, the elasticity is the percent of the objects kinetic energy right before...

Asked on 07/11/2021 by L. Rothman

1 answer

Can we measure the energy of one of several identical particles?

Suppose we have a many-particle system described via a many-particle wavefunction that involves single-particle states $lvertlambda_{a}rangle$, $lvertlambda_{b}rangle$, $lvertlambda_{c}rangle$. In the following, I'll assume a two-particle system, but I think the...

Asked on 07/11/2021 by AUT

2 answer

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