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Prastt
  • Member for 9 years, 6 months
  • Last seen more than 3 years ago
115 votes
8 answers
35k views

What is $\Delta t$ in the time-energy uncertainty principle?

  • 1,175
84 votes
24 answers
91k views

List of freely available physics books

  • 1,085
27 votes
4 answers
4k views

Why is the Yang-Mills gauge group assumed compact and semi-simple?

  • 54.8k
27 votes
4 answers
12k views

Noether's current expression in Peskin and Schroeder

19 votes
4 answers
2k views

When does $\hbar \rightarrow 0$ provide a valid transition from quantum to classical mechanics? When and why does it fail?

9 votes
2 answers
1k views

Algebraic/Axiomatic QFT vs Topological QFT

  • 1,253
8 votes
0 answers
515 views

Dimensional regularization and IR divergences and scale invariance

  • 4,489
6 votes
2 answers
545 views

What's the difference between divergences that can be corrected and those that can't

  • 61
4 votes
1 answer
473 views

A treatment of basic Kaluza-Klein theory [closed]

2 votes
2 answers
488 views

Representations of Lie algebras in physics

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