List questions from quantum-mechanics

Published on 26 May 2020 - 18:33

348

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Why do we define TQFTs as functors to vector spaces instead of Hilbert spaces?

Published on 06 Jun 2020 - 14:36

230

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Inequality for expectation-value of commutator

Published on 10 Jun 2020 - 21:29

28

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Spotting the matrix representation of the quantum AND operation

Published on 25 Mar 2026 - 17:39

49

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Weak convergence implies norm inequality.

Published on 15 Jun 2020 - 14:01

713

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A Fundamental Set of Solutions for the Quantum Harmonic Oscillator

Published on 16 Jun 2020 - 7:52

92

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CAR on fermionic Fock spaces

Published on 25 Mar 2026 - 11:12

67

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Hilbert Space-Phase Space map

Published on 29 Mar 2026 - 2:44

446

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Derivative of exponential map and the adjoint action

Published on 19 Jun 2020 - 19:30

55

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Are there any applications of Quantum Mechanics to probability theory or financial maths?

Published on 29 Mar 2026 - 5:12

534

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Spectrum of momentum operator of quantum physics

Published on 21 Jun 2020 - 20:41

45

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Continuous spectrum of Schrödinger operator

Published on 23 Jun 2020 - 21:43

188

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How to show that $[L_i, v_j]=i\hbar\sum_k \epsilon_{ijk}v_k$ for any operator $\textbf{v}$ constructed from $\textbf{x}$ and/or $\nabla$?

Published on 24 Jun 2020 - 4:51

290

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Showing if scalar product of vectors is 1 then they are the same quantum state

Published on 25 Mar 2026 - 19:06

65

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Find $\phi_1(x)$ and $\phi_2(x)$ such that $\phi_1 + \phi_2 = \psi$

Published on 27 Mar 2026 - 3:49

List Question

Self-adjoint operators on $\mathbb{C}^2$

Why do we define TQFTs as functors to vector spaces instead of Hilbert spaces?

Inequality for expectation-value of commutator

Spotting the matrix representation of the quantum AND operation

Weak convergence implies norm inequality.

A Fundamental Set of Solutions for the Quantum Harmonic Oscillator

CAR on fermionic Fock spaces

Hilbert Space-Phase Space map

Derivative of exponential map and the adjoint action

Are there any applications of Quantum Mechanics to probability theory or financial maths?

Spectrum of momentum operator of quantum physics

Continuous spectrum of Schrödinger operator

How to show that $[L_i, v_j]=i\hbar\sum_k \epsilon_{ijk}v_k$ for any operator $\textbf{v}$ constructed from $\textbf{x}$ and/or $\nabla$?

Showing if scalar product of vectors is 1 then they are the same quantum state

Find $\phi_1(x)$ and $\phi_2(x)$ such that $\phi_1 + \phi_2 = \psi$

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