List questions from quantum-mechanics

Published on 01 Apr 2026 - 19:25

100

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Hermitian Matrix properties

Published on 26 Mar 2026 - 17:44

376

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If $\omega$ is a faithful state, then the corresponding GNS representation is faithful.

Published on 10 Mar 2021 - 18:39

321

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Comparing Hamiltonians - Quantum harmonic oscillator

Published on 02 Apr 2026 - 19:50

254

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Understanding an instance of Integration by Substitution w/the Dirac Delta Function

Published on 11 Mar 2021 - 23:32

29

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How does the average energy from equation (41.15) of Feynman's lectures approach $kT$ as omega goes to zero?

Published on 05 Mar 2021 - 1:36

124

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$ L^2 (\mathbb{R}, \mathbb{C}) \otimes \mathbb{C} ^2 $ is the same as $L^2(\mathbb{R}, \mathbb{C}) \times L^2(\mathbb{R}, \mathbb{C})$

Published on 14 Mar 2021 - 15:30

43

Views

Solving differential equation

Published on 15 Mar 2021 - 23:47

46

Views

Uncertainty Principle For a Generic State

Published on 17 Mar 2021 - 2:17

170

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Understanding a proof that $\delta(x-x') = \mathrm{d}/\mathrm{d}x\, \theta(x-x')$

Published on 17 Mar 2021 - 4:48

158

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How is Gauss's theorem used in this quantum mechanics problem?

Published on 23 Feb 2026 - 20:40

33

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Correspondence between projective algebra and (not necessarily commutative) fields

Published on 26 Mar 2026 - 12:43

104

Views

Unitary conserving Schrödinger equation

Published on 26 Mar 2026 - 1:00

72

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Liouville—von Neumann Operator as a member of a Tensor space ( in an Open Quantum System )

Published on 27 Mar 2026 - 13:40

147

Views

Can $(x+y)^2$ be written in the form $f(x) g(y) + g(x)f(y)$?

Published on 26 Mar 2026 - 22:18

List Question

Travelling (soliton) Wave solution to 1D GPE equation

Hermitian Matrix properties

If $\omega$ is a faithful state, then the corresponding GNS representation is faithful.

Comparing Hamiltonians - Quantum harmonic oscillator

Understanding an instance of Integration by Substitution w/the Dirac Delta Function

How does the average energy from equation (41.15) of Feynman's lectures approach $kT$ as omega goes to zero?

$ L^2 (\mathbb{R}, \mathbb{C}) \otimes \mathbb{C} ^2 $ is the same as $L^2(\mathbb{R}, \mathbb{C}) \times L^2(\mathbb{R}, \mathbb{C})$

Solving differential equation

Uncertainty Principle For a Generic State

Understanding a proof that $\delta(x-x') = \mathrm{d}/\mathrm{d}x\, \theta(x-x')$

How is Gauss's theorem used in this quantum mechanics problem?

Correspondence between projective algebra and (not necessarily commutative) fields

Unitary conserving Schrödinger equation

Liouville—von Neumann Operator as a member of a Tensor space ( in an Open Quantum System )

Can $(x+y)^2$ be written in the form $f(x) g(y) + g(x)f(y)$?

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