List questions from quantum-field-theory

Published on 22 Sep 2022 - 21:35

52

Views

Name of the set of elements complementary to a subgroup

Published on 21 Oct 2022 - 2:50

34

Views

How to find the divergent behavior for a function with $Gamma$ function

Published on 19 Nov 2022 - 3:41

263

Views

Expansion of the modified Bessel function $K_\nu(z)$ around $z\to 0$

Published on 19 Nov 2022 - 8:00

61

Views

How to do the integral $\int \frac{d^{D}k}{(2\pi)^{D}} \frac{1-\cos(\vec{k}\cdot \vec{x})}{k^2}$?

Published on 19 Nov 2022 - 8:52

56

Views

Can we model quantum observables as real functions on the phase space?

Published on 03 Dec 2022 - 20:04

104

Views

Why is $igF_{\mu\nu}:=[D_\mu,D_\nu]$?

Published on 05 Dec 2022 - 5:33

101

Views

Correctly interpretting distributions

Published on 20 Dec 2022 - 21:52

70

Views

Proving gauge invariance using the Schwinger-Dyson equation

Published on 22 Dec 2022 - 9:16

69

Views

Examples of Physical Applications ofthe theory of Principal $G$-bundles

Published on 26 Mar 2026 - 21:27

86

Views

Making Mathematical Sense of UV-cutoff in QFT

Published on 01 Jan 2023 - 11:25

45

Views

Problem with the Wightman axiom about the transformation law of the fields

Published on 03 Jan 2023 - 19:04

258

Views

Green's Function and Zero Modes of Differential Operators

Published on 07 Jan 2023 - 9:56

List Question

Very Difficult Integral Encountered in QFT

Name of the set of elements complementary to a subgroup

How to find the divergent behavior for a function with $Gamma$ function

Expansion of the modified Bessel function $K_\nu(z)$ around $z\to 0$

How to do the integral $\int \frac{d^{D}k}{(2\pi)^{D}} \frac{1-\cos(\vec{k}\cdot \vec{x})}{k^2}$?

Can we model quantum observables as real functions on the phase space?

Why is $igF_{\mu\nu}:=[D_\mu,D_\nu]$?

Correctly interpretting distributions

Proving gauge invariance using the Schwinger-Dyson equation

Examples of Physical Applications ofthe theory of Principal $G$-bundles

Making Mathematical Sense of UV-cutoff in QFT

Problem with the Wightman axiom about the transformation law of the fields

Green's Function and Zero Modes of Differential Operators

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