List questions from quantum-mechanics

Published on 14 Oct 2022 - 18:04

48

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I was just introduced to Hilbert Spaces, and am wondering what one of the formulas I'm using is called.

Published on 19 Oct 2022 - 19:47

80

Views

Is this Fourier Transform for the Dirac Delta correct?

Published on 20 Oct 2022 - 21:17

68

Views

Trouble proving approximation for quantum simulation using Zassenhaus formula

Published on 27 Mar 2026 - 5:36

107

Views

Why must the stationary state vectors rotate?

Published on 01 Nov 2022 - 7:56

734

Views

Eigenvalues with Dirac notation

Published on 01 Nov 2022 - 11:07

57

Views

Kernel of GNS construction of Weyl Algebra

Published on 02 Nov 2022 - 18:11

390

Views

Show that the adjoint of two operators is the sum of the adjoints

Published on 01 Apr 2026 - 5:05

1k

Views

Clebsch-Gordan coefficients and the decomposition of the tensor product of two irreducible representations of $SO(3)$

Published on 12 Nov 2022 - 9:02

253

Views

In Schrödinger's equation, well-behaved wave functions at $t=0$ changing their normalization value

Published on 01 Apr 2026 - 1:37

49

Views

Show that the following is a solution to the differential equation

Published on 13 Nov 2022 - 19:00

633

Views

Factorization of $\exp(A+B)$ for non-commuting operators $A$ and $B$

Published on 29 Mar 2026 - 14:02

291

Views

d/d(rsin(theta)cos(phi)) = ???

Published on 21 Nov 2022 - 2:22

24

Views

Does the commutator $[-\Delta+ (w\ast T_K), K]$ make sense?

Published on 22 Nov 2022 - 7:43

99

Views

Equivalence between two orthonormal bases in a Hilbert space

Published on 01 Apr 2026 - 17:04

List Question

Similar to differentiation under the integral sign

I was just introduced to Hilbert Spaces, and am wondering what one of the formulas I'm using is called.

Is this Fourier Transform for the Dirac Delta correct?

Trouble proving approximation for quantum simulation using Zassenhaus formula

Why must the stationary state vectors rotate?

Eigenvalues with Dirac notation

Kernel of GNS construction of Weyl Algebra

Show that the adjoint of two operators is the sum of the adjoints

Clebsch-Gordan coefficients and the decomposition of the tensor product of two irreducible representations of $SO(3)$

In Schrödinger's equation, well-behaved wave functions at $t=0$ changing their normalization value

Show that the following is a solution to the differential equation

Factorization of $\exp(A+B)$ for non-commuting operators $A$ and $B$

d/d(rsin(theta)cos(phi)) = ???

Does the commutator $[-\Delta+ (w\ast T_K), K]$ make sense?

Equivalence between two orthonormal bases in a Hilbert space

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