User Luka8281

6 votes

3 answers

3k views

Why are coherent states of harmonic oscillators called "coherent"?

asked Dec 21, 2016 at 13:37

4 votes

1 answer

2k views

Infinite wire, vector potential

electromagnetism magnetic-fields electric-fields vector-fields

asked Dec 25, 2016 at 16:55

3 votes

0 answers

88 views

How do I choose which thermodynamical potential to use to describe a phase transition?

thermodynamics phase-transition

asked Nov 18, 2015 at 7:58

3 votes

2 answers

1k views

Change of flavour, Weak interaction

particle-physics elementary-particles weak-interaction

asked Jun 8, 2016 at 17:17

3 votes

2 answers

796 views

Lorentz transformation, problem with derivation

special-relativity coordinate-systems inertial-frames lorentz-symmetry

asked Dec 7, 2016 at 10:19

3 votes

0 answers

156 views

Valid Bogoliubov transformation?

quantum-mechanics homework-and-exercises quantum-field-theory

asked Dec 7, 2017 at 14:31

3 votes

1 answer

526 views

Pions and $SU(2)$ representation

quantum-field-theory representation-theory isospin-symmetry

asked Sep 26, 2019 at 20:39

2 votes

1 answer

759 views

Bogoliubov transformation, same eigenvalues

quantum-mechanics solid-state-physics

asked Jan 30, 2018 at 11:12

2 votes

1 answer

447 views

Tensor product in matrix form, confusion

quantum-mechanics quantum-field-theory notation

asked Oct 9, 2017 at 20:11

2 votes

1 answer

395 views

Semiconductors, Solid-State Physics

solid-state-physics semiconductor-physics conductors insulators

asked Mar 4, 2016 at 8:58

2 votes

1 answer

667 views

Schrödinger equation solutions confusion

quantum-mechanics

asked Oct 6, 2016 at 16:50

2 votes

1 answer

293 views

Uncertainty principle, statistical approach

quantum-mechanics heisenberg-uncertainty-principle measurement-problem

asked Nov 6, 2016 at 16:50

1 vote

1 answer

906 views

Matrix representation of operators

quantum-mechanics operators hilbert-space linear-algebra eigenvalue

asked Oct 23, 2016 at 10:21

1 vote

2 answers

1k views

Delta potential, negative energy, quantum particle

quantum-mechanics wavefunction schroedinger-equation quantum-tunneling

asked Oct 26, 2016 at 17:31

1 vote

1 answer

2k views

Volume integral of current density

electromagnetism magnetic-fields integration vector-fields magnetostatics

asked Dec 27, 2016 at 9:46

1 vote

2 answers

649 views

Spinning charged sphere, magnetic energy

homework-and-exercises electromagnetism magnetic-fields magnetic-moment electromagnetic-induction

asked Dec 29, 2016 at 22:32

1 vote

0 answers

1k views

Inductance of two parallel cylindrical wires

electromagnetism magnetic-fields inductance electromagnetic-induction

asked Dec 30, 2016 at 21:59

1 vote

2 answers

552 views

Electric potential inside rectangular hollow conductor

electrostatics electricity boundary-conditions differential-equations

asked Nov 12, 2016 at 14:54

1 vote

1 answer

238 views

Derive the form of the fields for TEM waves in a waveguide

homework-and-exercises electromagnetism electromagnetic-radiation maxwell-equations waveguide

asked Jan 31, 2017 at 9:30

1 vote

1 answer

989 views

Time evolution of operators, derivation

quantum-mechanics operators wavefunction schroedinger-equation time-evolution

asked Mar 3, 2017 at 9:47

1 vote

0 answers

150 views

Electron scattering on nucleus, form factor

quantum-mechanics nuclear-physics scattering

asked Mar 23, 2017 at 18:53

1 vote

0 answers

742 views

Alpha decay condition using semi-empirical mass formula

nuclear-physics radiation binding-energy

asked Apr 2, 2017 at 20:27

1 vote

1 answer

290 views

Conservation of angular momentum, pion-deuteron reaction

particle-physics angular-momentum nuclear-physics conservation-laws pions

asked Jun 17, 2017 at 9:08

1 vote

1 answer

4k views

3 particles spin using Clebsch-Gordan Coefficients

homework-and-exercises angular-momentum quantum-spin group-representations

asked Jun 21, 2017 at 13:15

1 vote

1 answer

211 views

Vector, pseudoscalar mesons

quantum-mechanics particle-physics

asked Jul 13, 2017 at 14:03

1 vote

1 answer

678 views

Bloch electrons, energy bands

solid-state-physics

asked Aug 31, 2017 at 12:01

1 vote

0 answers

84 views

2D lattice, potential

solid-state-physics lattice-model

asked Sep 1, 2017 at 12:37

1 vote

1 answer

470 views

1D or 2D crystal?

solid-state-physics spacetime-dimensions crystals

asked Sep 3, 2017 at 14:45

1 vote

2 answers

1k views

Free electron gas in magnetic field

condensed-matter solid-state-physics

asked Dec 28, 2017 at 15:08

1 vote

0 answers

325 views

Muon life-time in laboratory frame [closed]

homework-and-exercises special-relativity particle-physics

asked Aug 28, 2016 at 14:05

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48 Questions

Why are coherent states of harmonic oscillators called "coherent"?

Infinite wire, vector potential

How do I choose which thermodynamical potential to use to describe a phase transition?

Change of flavour, Weak interaction

Lorentz transformation, problem with derivation

Valid Bogoliubov transformation?

Pions and $SU(2)$ representation

Bogoliubov transformation, same eigenvalues

Tensor product in matrix form, confusion

Semiconductors, Solid-State Physics

Schrödinger equation solutions confusion

Uncertainty principle, statistical approach

Matrix representation of operators

Delta potential, negative energy, quantum particle

Volume integral of current density

Spinning charged sphere, magnetic energy

Inductance of two parallel cylindrical wires

Electric potential inside rectangular hollow conductor

Derive the form of the fields for TEM waves in a waveguide

Time evolution of operators, derivation

Electron scattering on nucleus, form factor

Alpha decay condition using semi-empirical mass formula

Conservation of angular momentum, pion-deuteron reaction

3 particles spin using Clebsch-Gordan Coefficients

Vector, pseudoscalar mesons

Bloch electrons, energy bands

2D lattice, potential

1D or 2D crystal?

Free electron gas in magnetic field

Muon life-time in laboratory frame [closed]