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Physics : Recent Questions and Answers (Page 27)

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

Lindblad equation solution

I have been trying to solve a Lindblad Equation and then thought about whether there is a closed form Lindblad Equation solution for most types. Googling hasn't lead me to...

Asked on 11/17/2021

2 answer

Exceptions to the Aufbau principle?

Why are there exceptions to the Aufbau Principle? How do the abnormalities occur and why? If you could specify a few exceptions that would be swell. ...

Asked on 11/17/2021

2 answer

How do those cheap shoebox-phone projectors throw any "decent" image?

You've probably seen them; shoebox phone projectors. They throw a very dim image, but I'm surprised it throws any image at all, since...

Asked on 11/17/2021

2 answer

How many physically demonstrated universal scalar fields exist?

Besides Higgs' field, and not counting purely theoretical universal scalar fields such as those attributed to branes, how many universal scalar fields have been demonstrated? Please include names of such...

Asked on 11/17/2021

1 answer

Trace over configuration basis

Let us take a many-body quantum system, whose phases in the configuration basis are labeled by $mathbf {hat q}=(q_1,cdots, q_N)$ and momenta $mathbf {hat p}=left(-ifrac{partial}{partial hat q_1},cdots, -ifrac{partial}{partial...

Asked on 11/17/2021

1 answer

Charge Moving in Field of Magnetic Dipole

I'm self-studying Kibble & Berkshire Classical Mechanics, and I'm completely stuck on Problem 11 in Chapter 12 on Hamiltonian mechanics. It asks about a particle of mass m and charge...

Asked on 11/17/2021

0 answer

Why is the real part of optical conductivity dissipative although the real part of susceptibility is dispersive?

I have a puzzle about the optical conductivity. In Drude model, it is often said that the real part of tells us about the dissipation of energy in the system;...

Asked on 11/17/2021

1 answer

Why Fizeau interferometers are much more popular than point diffraction interferometers for optical metrology?

If somebody wants to measure surface error of for example concave spherical surface - in most of the optical companies around the world Fizeau interferometer will be used, with relatively...

Asked on 11/17/2021

1 answer

Question on Ampere's Law and Solenoid

Just came across magnetic field inside a solenoid and amperes law. Amperes law says that dot product of magnetic field and distance from current would give us the $mu_p$...

Asked on 11/17/2021

2 answer

Which basis 2-form elements represent positive traversals in Minkowski 4-space?

I'm certain some of this relies on arbitrary choice, for even in Euclidean 3-space, there is no a priori preferred choice of left versus right hand coordinates. In fact...

Asked on 11/17/2021

0 answer

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