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Blazej

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quantum-mechanics

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8

Space-Time Curvature Depends on Relative Speed

Jul 22, 2016

6

Why is angular momentum $mvr$ and not $mvr^2$ or $mvr^3$?

Mar 23, 2021

5

Proof of the invariance of the Levi-Civita tensor

Sep 19, 2016

4

Prove that infinitesmal angular displacements commute & non-infinitesimal ones don't?

Aug 28, 2016

4

S-matrix in Weinberg QFT

Jul 29, 2016

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When is stress-energy tensor defined as variation of action with respect to metric conserved?

May 17, 2016

14

Do the interaction picture fields transform as free fields under boosts?

Aug 23, 2016

12

Why can we approximate massive particles as massless or vice versa?

Jul 26, 2016

11

Why do we solve the Wess-Zumino consistency condition using the method of descent?

Apr 26, 2020

11

When is numerical value of Lagrangian evaluated on-shell a full differential?

May 7, 2016

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quantum-mechanics

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differential-geometry

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general-relativity

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quantum-field-theory

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homework-and-exercises

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Why do we solve the Wess-Zumino consistency condition using the method of descent?

+10

Space-Time Curvature Depends on Relative Speed

+10

Feynman diagram representation of variational derivative of S-matrix

+10

When is numerical value of Lagrangian evaluated on-shell a full differential?

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