Question

Is showing $\text{Tr}\Omega U = \text{Tr} \Omega$ equivalent to showing $\text{Tr}\Omega = \text{Tr}(U^{\dagger} \Omega U)$?

score 52 · Answer 1 · 2020-12-01 19:07:42

52

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Is showing $\text{Tr}\Omega U = \text{Tr} \Omega$ equivalent to showing $\text{Tr}\Omega = \text{Tr}(U^{\dagger} \Omega U)$?

Published on 01 Dec 2020 - 19:07

score 216 · Answer 2 · 2026-03-26 14:17:16

216

Views

Partition function for a general Ising model as Gaussian integral

Published on 26 Mar 2026 - 14:17

score 83 · Answer 3 · 2026-03-26 22:18:10

83

Views

$\sup_{0 \leq M \leq I_{\mathcal{H}_1}} \frac{\operatorname{Tr}[\rho M]}{\operatorname{Tr}[\sigma M]}$ satisfies Data Processing Inequality

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score 431 · Answer 4 · 2026-03-26 20:43:25

431

Views

Prerequisites for Quantum cryptography

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score 453 · Answer 5 · 2020-12-07 20:57:57

453

Views

Does the split-step operator method work for a PDE in cylindrical coordinates?

Published on 07 Dec 2020 - 20:57

score 191 · Answer 6 · 2026-02-23 22:19:28

191

Views

General solution for an integral with Hermite polynomials?

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score 83 · Answer 7 · 2026-03-26 20:43:34

83

Views

Quantum Typicality

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score 854 · Answer 8 · 2020-12-13 02:39:21

854

Views

Rotational invariance of Bell state

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score 47 · Answer 9 · 2020-12-13 08:58:40

47

Views

A question on the density matrix of two separate systems, tensor products and index notation

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score 461 · Answer 10 · 2026-03-26 20:40:37

461

Views

Find a POVM to distinguish the two states

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score 28 · Answer 11 · 2026-03-26 14:18:45

28

Views

Ising model and not costant J

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score 50 · Answer 12 · 2020-12-15 20:11:20

50

Views

DI method with inf limits

Published on 15 Dec 2020 - 20:11

score 154 · Answer 13 · 2026-03-25 19:25:21

154

Views

Prove $f(\xi)$ behaves as $e^{\xi^2}$ if $\lambda<0$ in $\frac{d^2f}{d\xi^2}-2\xi\frac{df}{d\xi}+2\lambda f(\xi)=0$

Published on 25 Mar 2026 - 19:25

score 140 · Answer 14 · 2020-12-22 04:16:25

140

Views

Understanding a particular proof that a Hermitian matrix has an orthonormal basis whose diagonal contains its eigenvalues

Published on 22 Dec 2020 - 4:16

score 62 · Answer 15 · 2020-12-22 15:27:32

62

Views

Trouble understanding differential equations in Quantum Mechanics.

Published on 22 Dec 2020 - 15:27

List Question

Is showing $\text{Tr}\Omega U = \text{Tr} \Omega$ equivalent to showing $\text{Tr}\Omega = \text{Tr}(U^{\dagger} \Omega U)$?

Partition function for a general Ising model as Gaussian integral

$\sup_{0 \leq M \leq I_{\mathcal{H}_1}} \frac{\operatorname{Tr}[\rho M]}{\operatorname{Tr}[\sigma M]}$ satisfies Data Processing Inequality

Prerequisites for Quantum cryptography

Does the split-step operator method work for a PDE in cylindrical coordinates?

General solution for an integral with Hermite polynomials?

Quantum Typicality

Rotational invariance of Bell state

A question on the density matrix of two separate systems, tensor products and index notation

Find a POVM to distinguish the two states

Ising model and not costant J

DI method with inf limits

Prove $f(\xi)$ behaves as $e^{\xi^2}$ if $\lambda<0$ in $\frac{d^2f}{d\xi^2}-2\xi\frac{df}{d\xi}+2\lambda f(\xi)=0$

Understanding a particular proof that a Hermitian matrix has an orthonormal basis whose diagonal contains its eigenvalues

Trouble understanding differential equations in Quantum Mechanics.

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