User el psy Congroo

23 votes

3 answers

28k views

Meaning of the chemical potential for a boson gas

asked Jan 4, 2014 at 4:41

8 votes

3 answers

5k views

Explaining Lenz's Law without conservation of energy

electromagnetism induction

asked Sep 19, 2013 at 8:13

5 votes

1 answer

309 views

Is the conversion efficiency of second harmonic generation the same for sum frequency generation?

optics frequency quantum-optics non-linear-optics

asked Mar 20, 2017 at 14:59

4 votes

0 answers

382 views

Physical interpretation of the chemical potential in Bose and Fermionic gas

thermodynamics statistical-mechanics fermions bosons chemical-potential

asked Feb 10, 2016 at 9:17

4 votes

2 answers

441 views

Size of the Fermi surface of hole and electrons

condensed-matter solid-state-physics metals

asked Nov 18, 2016 at 11:34

4 votes

1 answer

2k views

Derivation of existence of energy band gap in semiconductor (solid State)

quantum-mechanics solid-state-physics semiconductor-physics electronic-band-theory quasiparticles

asked Mar 8, 2014 at 21:32

3 votes

1 answer

13k views

How to prove dp/dt = -dV/dx? Quantum mechanics [closed]

quantum-mechanics homework-and-exercises schroedinger-equation wavefunction

asked Sep 6, 2013 at 9:58

3 votes

1 answer

217 views

Michelson interferogram white light pattern symmetry

optics electromagnetic-radiation interferometry

asked Nov 27, 2013 at 19:52

3 votes

0 answers

3k views

Questions about Michelson interferometer

electromagnetic-radiation fourier-transform interference interferometry

asked Dec 9, 2013 at 0:05

3 votes

2 answers

1k views

Understanding the Mathematics of Wigner function [duplicate]

quantum-mechanics quantum-information probability phase-space wigner-transform

asked Mar 8, 2016 at 8:24

3 votes

0 answers

59 views

Role of chemical potential in bosonic gas

statistical-mechanics

asked Nov 1, 2015 at 11:34

3 votes

0 answers

333 views

Electric field of a capacitor in dielectric medium with weird size

electromagnetism electric-fields gauss-law dielectric

asked Mar 3, 2014 at 23:20

3 votes

3 answers

1k views

How many photons in a ultrafast laser pulse?

quantum-mechanics laser power correlation-functions

asked Mar 15, 2017 at 7:56

2 votes

1 answer

695 views

Derivation of fermion anticommutation rule

quantum-mechanics fermions pauli-exclusion-principle spin-statistics anticommutator

asked Nov 7, 2015 at 15:46

2 votes

1 answer

914 views

Density of states (treating states in continuum)

quantum-mechanics statistical-mechanics solid-state-physics

asked Jan 1, 2014 at 3:21

2 votes

1 answer

2k views

Wave function collapse

quantum-mechanics wavefunction wavefunction-collapse

asked Oct 24, 2013 at 22:24

2 votes

2 answers

2k views

Why does water have several different solid phase but only one liquid and gas phase

states-of-matter

asked May 26, 2013 at 20:51

2 votes

1 answer

9k views

Phase shift of resonance [duplicate]

waves resonance vibrations

asked Apr 13, 2013 at 17:05

2 votes

1 answer

2k views

Quantum harmonic Oscillator analytic method

quantum-mechanics wavefunction schroedinger-equation harmonic-oscillator

asked Oct 7, 2013 at 9:39

2 votes

1 answer

747 views

Questions about Statistical Mechanics

thermodynamics statistical-mechanics solid-state-physics chemical-potential

asked Jan 4, 2014 at 16:58

1 vote

1 answer

4k views

Principle Axes of inertia and moments of inertia

angular-momentum moment-of-inertia

asked Jul 4, 2014 at 21:25

1 vote

2 answers

2k views

Euler angles derivation

reference-frames geometry rotation coordinate-systems

asked Jul 6, 2014 at 14:46

1 vote

1 answer

755 views

Influence of applied voltage to an electron of a metal

quantum-mechanics electromagnetism solid-state-physics voltage

asked Oct 30, 2014 at 17:25

1 vote

1 answer

249 views

Resistance of a diode in different regime and the physics of recombination current

solid-state-physics semiconductor-physics

asked Jan 3, 2015 at 17:32

1 vote

0 answers

229 views

Mie's scattering Theory Problem

electromagnetism optics scattering

asked Mar 3, 2015 at 8:40

1 vote

1 answer

1k views

Transparence of an infinite square well? [closed]

quantum-mechanics schroedinger-equation terminology scattering potential

asked Oct 13, 2013 at 22:47

1 vote

1 answer

3k views

Triple point temperature and freezing point

thermodynamics temperature states-of-matter

asked May 26, 2013 at 20:39

1 vote

1 answer

2k views

Tunnelling through a Dirac potential barrier

quantum-mechanics homework-and-exercises wavefunction schroedinger-equation quantum-tunneling

asked Oct 18, 2013 at 23:44

1 vote

1 answer

146 views

Weird Behaviour of the act of measurement to a quantum system

quantum-mechanics heisenberg-uncertainty-principle measurement-problem eigenvalue observables

asked Oct 24, 2013 at 17:27

1 vote

0 answers

62 views

Matching measured eigenvalue of a matrix [closed]

homework-and-exercises eigenvalue algorithms matrix-model

asked Sep 24, 2016 at 11:32

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49 Questions

Meaning of the chemical potential for a boson gas

Explaining Lenz's Law without conservation of energy

Is the conversion efficiency of second harmonic generation the same for sum frequency generation?

Physical interpretation of the chemical potential in Bose and Fermionic gas

Size of the Fermi surface of hole and electrons

Derivation of existence of energy band gap in semiconductor (solid State)

How to prove dp/dt = -dV/dx? Quantum mechanics [closed]

Michelson interferogram white light pattern symmetry

Questions about Michelson interferometer

Understanding the Mathematics of Wigner function [duplicate]

Role of chemical potential in bosonic gas

Electric field of a capacitor in dielectric medium with weird size

How many photons in a ultrafast laser pulse?

Derivation of fermion anticommutation rule

Density of states (treating states in continuum)

Wave function collapse

Why does water have several different solid phase but only one liquid and gas phase

Phase shift of resonance [duplicate]

Quantum harmonic Oscillator analytic method

Questions about Statistical Mechanics

Principle Axes of inertia and moments of inertia

Euler angles derivation

Influence of applied voltage to an electron of a metal

Resistance of a diode in different regime and the physics of recombination current

Mie's scattering Theory Problem

Transparence of an infinite square well? [closed]

Triple point temperature and freezing point

Tunnelling through a Dirac potential barrier

Weird Behaviour of the act of measurement to a quantum system

Matching measured eigenvalue of a matrix [closed]