User mavzolej

5 votes

Are states of a quantum system represented by vectors in a Hilbert space?

answered Apr 10, 2016 at 6:40

5 votes

Why electron-positron annihilation releases two gamma photons?

answered Mar 2, 2017 at 4:09

5 votes

Accepted

Lorentz transformation of the Klein-Gordon equation

answered Jul 5, 2018 at 8:21

5 votes

Accepted

Parity transformation and mirror reflection

answered Feb 15, 2019 at 19:11

4 votes

Accepted

Symplectic group $Sp(2N)$ in Srednicki's book

answered Apr 26, 2019 at 13:53

4 votes

Inverted Harmonic oscillator

answered Aug 8, 2014 at 18:28

3 votes

Difference between "Periodic motion" and "Oscillating Motion"

answered Oct 27, 2016 at 22:23

2 votes

Physics breaking down - is it logically consistent?

answered Mar 26, 2019 at 1:08

1 vote

Accepted

Feynman diagrams in Gaussian integrals

answered Apr 8, 2019 at 0:22

1 vote

How are Dunkl operators used in Hamiltonian mechanics?

answered Apr 12, 2019 at 20:39

1 vote

Why are we not able to visualize Dimensions beyond 3 (or maximum 4 including time)?

answered Oct 31, 2021 at 4:13

1 vote

Is Bogoliubov transformation simply a basis transformation?

answered May 7, 2022 at 21:54

1 vote

Accepted

Breaking of a commutator involving Dirac spinors and gamma matrices

answered Jul 5, 2018 at 22:14

1 vote

Deriving or building a Hamiltonian from a Density Matrix

answered Sep 20, 2018 at 20:43

1 vote

Accepted

Tensors in a two-dimensional Euclidean plane

answered Oct 4, 2018 at 8:03

1 vote

Is there a conceptual inverse of anomalies i.e. a notion of quantum enhancement of symmetries?

answered Nov 7 at 21:32

0 votes

$mn$-dim Hilbert space vs product of $m$ and $n$ Hilbert spaces

answered Feb 20, 2018 at 13:01

0 votes

Matrix representation for Gupta-Bleuler creation/annihilation operators

answered Aug 5, 2022 at 4:06

0 votes

How Would Projectile Motion Be Described in Non-Euclidean Space?

answered Sep 22, 2020 at 22:51

0 votes

Accepted

Symmetry in Fock-space 2-body interaction

answered Mar 1, 2019 at 8:31

-1 votes

Higgs Coupling - Fifth Force

answered Oct 28, 2016 at 8:27

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21 Answers

Are states of a quantum system represented by vectors in a Hilbert space?

Why electron-positron annihilation releases two gamma photons?

Lorentz transformation of the Klein-Gordon equation

Parity transformation and mirror reflection

Symplectic group $Sp(2N)$ in Srednicki's book

Inverted Harmonic oscillator

Difference between "Periodic motion" and "Oscillating Motion"

Physics breaking down - is it logically consistent?

Feynman diagrams in Gaussian integrals

How are Dunkl operators used in Hamiltonian mechanics?

Why are we not able to visualize Dimensions beyond 3 (or maximum 4 including time)?

Is Bogoliubov transformation simply a basis transformation?

Breaking of a commutator involving Dirac spinors and gamma matrices

Deriving or building a Hamiltonian from a Density Matrix

Tensors in a two-dimensional Euclidean plane

Is there a conceptual inverse of anomalies i.e. a notion of quantum enhancement of symmetries?

$mn$-dim Hilbert space vs product of $m$ and $n$ Hilbert spaces

Matrix representation for Gupta-Bleuler creation/annihilation operators

How Would Projectile Motion Be Described in Non-Euclidean Space?

Symmetry in Fock-space 2-body interaction

Higgs Coupling - Fifth Force