List questions from quantum-mechanics

Published on 29 Mar 2026 - 15:59

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Schrödinger operator with delta (zero range) interaction.

Published on 08 Jun 2015 - 8:20

23

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Why $|j_1 - j_2 | \leq j \leq j_1 +j_2 $ holds for $J= J_1 +J_2 $, the addition of angular moment?

Published on 11 Jun 2015 - 4:57

159

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x-momentum operator $p_x$ expressed as multiple of Translation operator

Published on 13 Jun 2015 - 15:40

3.3k

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Please help: My MATLAB code for solving a 2D Schrödinger equation keep giving me weird output.

Published on 16 Jun 2015 - 10:11

214

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Pureness of Vector States

Published on 16 Jun 2015 - 18:41

61

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A Question about Quantization and Partition Function

Published on 16 Jun 2015 - 23:27

72

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Questions to the virial theorem

Published on 25 Jun 2015 - 2:09

167

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On block density matrices and CPTP maps

Published on 26 Jun 2015 - 10:00

177

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Make mathematical sense of the Dirac well Potential Equation

Published on 26 Jun 2015 - 16:13

595

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Projection of a 3D spherical function to a carteasian axis

Published on 26 Mar 2026 - 4:31

175

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Gaussian unitary dilation of Gaussian channels

Published on 29 Mar 2026 - 9:11

1.6k

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A question on use of square integrable functions

Published on 28 Jul 2015 - 17:21

668

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Quantum probability and quantum measure theory

Published on 01 Aug 2015 - 5:46

333

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How to Construct $N$-dimensional Unitary Matrix Basis

Published on 02 Aug 2015 - 9:56

List Question

Upper bound on the Lipschitz constant of entanglement entropy

Schrödinger operator with delta (zero range) interaction.

Why $|j_1 - j_2 | \leq j \leq j_1 +j_2 $ holds for $J= J_1 +J_2 $, the addition of angular moment?

x-momentum operator $p_x$ expressed as multiple of Translation operator

Please help: My MATLAB code for solving a 2D Schrödinger equation keep giving me weird output.

Pureness of Vector States

A Question about Quantization and Partition Function

Questions to the virial theorem

On block density matrices and CPTP maps

Make mathematical sense of the Dirac well Potential Equation

Projection of a 3D spherical function to a carteasian axis

Gaussian unitary dilation of Gaussian channels

A question on use of square integrable functions

Quantum probability and quantum measure theory

How to Construct $N$-dimensional Unitary Matrix Basis

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