List questions from quantum-mechanics

Published on 19 Aug 2020 - 11:22

35

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Question regarding existence of a commutator

Published on 20 Aug 2020 - 1:00

79

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"Second order quantization operator" and its role in the construction of Hida spaces.

Published on 21 Aug 2020 - 7:19

60

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Show $|f(z)|<1$ in open unit disc for Schur function $f(z)$

Published on 24 Aug 2020 - 8:50

113

Views

Spinors and Klein-Gordon Equation

Published on 23 Feb 2026 - 10:00

85

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Prove that $(\hat A \hat B + \hat B \hat A )$ is self-adjoint if $\hat A$ and $\hat B$ are self-adjoint

Published on 31 Aug 2020 - 9:29

12.7k

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Fourier Representation of Dirac's Delta Function

Published on 04 Sep 2020 - 12:36

72

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Essential Self-adjointness of the Quantum Runge-Lenz Vector

Published on 04 Sep 2020 - 22:56

79

Views

Integrating a Gaussian Distribution with more than just x in the exponent

Published on 29 Mar 2026 - 3:02

188

Views

Weyl transform of a product of operator

Published on 09 Sep 2020 - 7:54

86

Views

Is this positive map also completely positive?

Published on 09 Sep 2020 - 23:21

107

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Integral kernel of $e^{itH_{0}}$

Published on 26 Mar 2026 - 21:07

39

Views

Intuitively, why is $\langle V \lvert W\rangle$ "square" of norm $ \lvert V\rvert$ and not $\lambda \cdot \lvert V\rvert$?

Published on 14 Sep 2020 - 9:15

224

Views

Translation operator unitarily equivalent to multiplication by exponential

Published on 15 Sep 2020 - 17:29

56

Views

Compute the commutator, and compare it to quantization of the Poisson bracket.

Published on 16 Sep 2020 - 20:08

List Question

Using chain rule on a two-particle quantum system.

Question regarding existence of a commutator

"Second order quantization operator" and its role in the construction of Hida spaces.

Show $|f(z)|<1$ in open unit disc for Schur function $f(z)$

Spinors and Klein-Gordon Equation

Prove that $(\hat A \hat B + \hat B \hat A )$ is self-adjoint if $\hat A$ and $\hat B$ are self-adjoint

Fourier Representation of Dirac's Delta Function

Essential Self-adjointness of the Quantum Runge-Lenz Vector

Integrating a Gaussian Distribution with more than just x in the exponent

Weyl transform of a product of operator

Is this positive map also completely positive?

Integral kernel of $e^{itH_{0}}$

Intuitively, why is $\langle V \lvert W\rangle$ "square" of norm $ \lvert V\rvert$ and not $\lambda \cdot \lvert V\rvert$?

Translation operator unitarily equivalent to multiplication by exponential

Compute the commutator, and compare it to quantization of the Poisson bracket.

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