List questions from quantum-mechanics

Published on 26 Mar 2026 - 22:19

150

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Geometric algebra from the vector space of $N\times N$ Hermitian matrices

Published on 26 Mar 2026 - 13:00

114

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Diagonalization of a Matrices Represent Change of Basis.

Published on 25 Mar 2026 - 20:42

94

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What's the best method to (numerically) solve a coupled partial differential equation with periodic boundary conditions?

Published on 02 Apr 2021 - 10:25

49

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Algebra involving operator of x and p

Published on 02 Apr 2021 - 15:37

76

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Determine the orthonormal vector

Published on 01 Apr 2026 - 0:37

70

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Deriving the identity $\langle\phi_1|\phi_1 \rangle + \langle\phi_2|\phi_2 \rangle \geq 2Re(\langle\phi_1|\phi_2 \rangle)$

Published on 08 Apr 2021 - 1:31

75

Views

Deriving identity $\|\langle\phi_1|\phi_1 \rangle + \langle\phi_2|\phi_2 \rangle\| \leq \| \space|\phi_1 \rangle \space\| + \| |\phi_2 \rangle \|$

Published on 08 Apr 2021 - 1:48

24

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How to calculate the overlap of four cartesian gaussian function i.e $\int \phi_{A}(r)\phi_{B}(r)\phi_{C}(r)\phi_{D}(r)d^{3}r$?

Published on 09 Apr 2021 - 16:55

113

Views

Why is $(\int dx)^2 = \int dx \int dy$

Published on 29 Mar 2026 - 12:40

183

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Hermiticity of operator on square integrable functions

Published on 23 Apr 2021 - 18:51

58

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Operator norm of X

Published on 24 Apr 2021 - 4:54

385

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Double sum of two delta functions

Published on 26 Mar 2026 - 17:46

85

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Translation on X operator

Published on 25 Apr 2021 - 22:40

56

Views

Method of Moments for an operator in quantum random walk

Published on 27 Mar 2026 - 0:03

List Question

Modifying a quantum teleportation protocol step.

Geometric algebra from the vector space of $N\times N$ Hermitian matrices

Diagonalization of a Matrices Represent Change of Basis.

What's the best method to (numerically) solve a coupled partial differential equation with periodic boundary conditions?

Algebra involving operator of x and p

Determine the orthonormal vector

Deriving the identity $\langle\phi_1|\phi_1 \rangle + \langle\phi_2|\phi_2 \rangle \geq 2Re(\langle\phi_1|\phi_2 \rangle)$

Deriving identity $\|\langle\phi_1|\phi_1 \rangle + \langle\phi_2|\phi_2 \rangle\| \leq \| \space|\phi_1 \rangle \space\| + \| |\phi_2 \rangle \|$

How to calculate the overlap of four cartesian gaussian function i.e $\int \phi_{A}(r)\phi_{B}(r)\phi_{C}(r)\phi_{D}(r)d^{3}r$?

Why is $(\int dx)^2 = \int dx \int dy$

Hermiticity of operator on square integrable functions

Operator norm of X

Double sum of two delta functions

Translation on X operator

Method of Moments for an operator in quantum random walk

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