User creillyucla

7 votes

Understanding the parabolic state of a quantum particle in the infinite square well

answered Sep 8 at 15:01

4 votes

Can we derive Boyle's law out of nothing?

answered Feb 7, 2022 at 19:33

3 votes

Accepted

How does Lorentz invariance make $(\Psi_0,J_{\mu}\Psi_0)$ vanish?

answered Jul 13, 2015 at 16:09

3 votes

Why a 2-state photon is interpreted as spin 1?

answered Mar 7, 2018 at 8:28

3 votes

Accepted

How do you define the "natural" inner product on a tensor product space?

answered May 17, 2018 at 3:05

2 votes

Is translational/rotational KE conserved when diatomic molecules collide?

answered Sep 28, 2018 at 2:18

2 votes

Accepted

Unphysical initial state for some quantum system

answered Oct 1, 2019 at 3:13

2 votes

Accepted

How to determine the $xyz$ coordinate system of a crystal group?

answered Sep 8 at 14:23

1 vote

Does a low resistance make it difficult to run a generator?

answered Mar 1, 2022 at 10:57

1 vote

Is the oxygen molecule $O_2$ fermion or boson?

answered Sep 28, 2019 at 18:00

1 vote

Projective representations and reduction of half-integer spin representations under $C_{\infty v}$

answered Sep 4 at 9:34

1 vote

Energy Band of pn junction in thermal equilibrium (Zero bias)

answered Mar 19, 2020 at 18:35

1 vote

Accepted

Maxwell equations and continuity equation

answered Mar 26, 2020 at 19:15

1 vote

Accepted

Why does the depletion layer of a p-n junction diode decrease in width upon forward biasing?

answered Nov 19, 2018 at 5:35

1 vote

Is there such a material that only emits, or "sends out" the same color light that was "taken in" (absorbed)?

answered Oct 10, 2018 at 1:13

1 vote

Can we create a 20 Hz EM wave?

answered Nov 7, 2018 at 18:58

1 vote

Physics behind depletion region?

answered May 26, 2018 at 18:53

1 vote

How is this possible that photons are absorbed?

answered Jul 26, 2015 at 21:20

1 vote

Accepted

How can we calculate (relativisticly correct) ratio $\lambda_e/\lambda_p$ if proton and electron have same speeds

answered Jul 23, 2013 at 13:32

1 vote

Quantum mechanics scattering theory

answered Jul 3, 2014 at 12:32

1 vote

Is it possible to find the hydrogen atom's radial wavefunctions?

answered Jul 3, 2014 at 13:27

0 votes

Can we theoretically balance a perfectly symmetrical pencil on its one-atom tip?

answered Jul 24, 2015 at 15:51

0 votes

Concerning the dark bands in the light "wave" interference pattern

answered Jul 25, 2015 at 20:33

0 votes

Is Hamiltonian a differential operator in second quantization?

answered Jul 27, 2015 at 12:26

0 votes

Potentials and position uncertainty

answered Mar 7, 2018 at 3:54

0 votes

Accepted

$C_4$ symmetry of Chern insulator

answered Nov 9, 2018 at 22:49

0 votes

Diffusion current in semiconductor while applying an electric field

answered Dec 16, 2018 at 9:09

0 votes

Work performed by hydrostatic pressure

answered Jun 26 at 17:03

0 votes

Where is the degeneracy of the bands in this band structure and what does it mean?

answered Oct 28 at 20:00

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29 Answers

Understanding the parabolic state of a quantum particle in the infinite square well

Can we derive Boyle's law out of nothing?

How does Lorentz invariance make $(\Psi_0,J_{\mu}\Psi_0)$ vanish?

Why a 2-state photon is interpreted as spin 1?

How do you define the "natural" inner product on a tensor product space?

Is translational/rotational KE conserved when diatomic molecules collide?

Unphysical initial state for some quantum system

How to determine the $xyz$ coordinate system of a crystal group?

Does a low resistance make it difficult to run a generator?

Is the oxygen molecule $O_2$ fermion or boson?

Projective representations and reduction of half-integer spin representations under $C_{\infty v}$

Energy Band of pn junction in thermal equilibrium (Zero bias)

Maxwell equations and continuity equation

Why does the depletion layer of a p-n junction diode decrease in width upon forward biasing?

Is there such a material that only emits, or "sends out" the same color light that was "taken in" (absorbed)?

Can we create a 20 Hz EM wave?

Physics behind depletion region?

How is this possible that photons are absorbed?

How can we calculate (relativisticly correct) ratio $\lambda_e/\lambda_p$ if proton and electron have same speeds

Quantum mechanics scattering theory

Is it possible to find the hydrogen atom's radial wavefunctions?

Can we theoretically balance a perfectly symmetrical pencil on its one-atom tip?

Concerning the dark bands in the light "wave" interference pattern

Is Hamiltonian a differential operator in second quantization?

Potentials and position uncertainty

$C_4$ symmetry of Chern insulator

Diffusion current in semiconductor while applying an electric field

Work performed by hydrostatic pressure

Where is the degeneracy of the bands in this band structure and what does it mean?