Question

Are the trace and natural logarithm interchangeable for $e^A$?

score 317 · Answer 1 · 2021-06-02 18:15:04

317

Views

Are the trace and natural logarithm interchangeable for $e^A$?

Published on 02 Jun 2021 - 18:15

score 498 · Answer 2 · 2021-06-05 17:34:53

498

Views

What is the Hilbert space for the Schrodinger equation for the hydrogen atom

Published on 05 Jun 2021 - 17:34

score 52 · Answer 3 · 2021-06-06 11:11:16

52

Views

Why cannot I simplify with the same phase factor from a sum of states

Published on 06 Jun 2021 - 11:11

score 182 · Answer 4 · 2021-06-07 12:41:51

182

Views

proof of the product: x times m derivative of delta function.

Published on 07 Jun 2021 - 12:41

score 53 · Answer 5 · 2021-06-07 16:03:37

53

Views

How can I construct a $n\times n$ complex hermitian matrix?

Published on 07 Jun 2021 - 16:03

score 142 · Answer 6 · 2021-06-08 14:54:40

142

Views

Form of scattering solutions for a square potential barrier

Published on 08 Jun 2021 - 14:54

score 1.3k · Answer 7 · 2021-06-11 10:30:42

1.3k

Views

How to understand transformations on operators

Published on 11 Jun 2021 - 10:30

score 136 · Answer 8 · 2021-06-11 15:50:09

136

Views

Do operators acting on the Hilbert space of a quantum state form a Lie algebra?

Published on 11 Jun 2021 - 15:50

score 127 · Answer 9 · 2026-03-26 22:13:09

127

Views

Help in "commutator expansion" containing creation and annihilation operators

Published on 26 Mar 2026 - 22:13

score 44 · Answer 10 · 2021-06-23 14:30:44

44

Views

Checking normalization of eigen functions in cartesian vs. spehrical coordinates.

Published on 23 Jun 2021 - 14:30

score 75 · Answer 11 · 2026-03-26 22:53:45

75

Views

Bestiary of well defined QFTs

Published on 26 Mar 2026 - 22:53

score 134 · Answer 12 · 2026-03-26 17:47:43

134

Views

Pure state density-operator can not be expressed as non trivial linear combination

Published on 26 Mar 2026 - 17:47

score 96 · Answer 13 · 2021-07-01 21:42:07

96

Views

Can I conclude these weak derivatives are strong?

Published on 01 Jul 2021 - 21:42

score 149 · Answer 14 · 2021-07-03 15:24:29

Why is $\frac{\hbar}{m}\Im((\nabla \psi)^*\nabla \psi + \psi^*\Delta \psi)=-\frac{2}{\hbar}\Im(\psi^*\frac{\hat{p}^2}{2m}\psi)$ in Quantum Mechanics?

score 196 · Answer 15 · 2021-07-04 13:09:25

196

Views

Resolution of identity for the multiplication operator

Published on 04 Jul 2021 - 13:09

List Question

Are the trace and natural logarithm interchangeable for $e^A$?

What is the Hilbert space for the Schrodinger equation for the hydrogen atom

Why cannot I simplify with the same phase factor from a sum of states

proof of the product: x times m derivative of delta function.

How can I construct a $n\times n$ complex hermitian matrix?

Form of scattering solutions for a square potential barrier

How to understand transformations on operators

Do operators acting on the Hilbert space of a quantum state form a Lie algebra?

Help in "commutator expansion" containing creation and annihilation operators

Checking normalization of eigen functions in cartesian vs. spehrical coordinates.

Bestiary of well defined QFTs

Pure state density-operator can not be expressed as non trivial linear combination

Can I conclude these weak derivatives are strong?

Why is $\frac{\hbar}{m}\Im((\nabla \psi)^\nabla \psi + \psi^\Delta \psi)=-\frac{2}{\hbar}\Im(\psi^*\frac{\hat{p}^2}{2m}\psi)$ in Quantum Mechanics?

Resolution of identity for the multiplication operator

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