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Physics
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18 Questions

Score Activity Newest Views
22 votes
2 answers
4k views

What is the connection between Conformal Field Theory and Renormalization group in QFT?

18 votes
4 answers
12k views

Difficulties with bra-ket notation

18 votes
2 answers
5k views

Constraints of relativistic point particle in Hamiltonian mechanics

12 votes
2 answers
5k views

What is conformal gauge?

9 votes
1 answer
602 views

Symmetries in physics

9 votes
2 answers
805 views

Violation of Lorentz invariance (Lagrangian for particle)

8 votes
1 answer
630 views

Two expressions for topological instanton number

7 votes
2 answers
8k views

Global phase symmetry for complex scalar field theory

6 votes
0 answers
227 views

't Hooft many instanton solutions

5 votes
0 answers
606 views

Free path distribution

5 votes
1 answer
285 views

Constructing the space of quantum states

5 votes
0 answers
201 views

Functional integral aproach for Feynman rules [duplicate]

4 votes
2 answers
3k views

Lorentz invariance of the action for free relativistic particle

4 votes
1 answer
429 views

Derivation of matrix element

4 votes
2 answers
407 views

Domain walls intersection

3 votes
2 answers
737 views

"Inverted" quantum oscillator

2 votes
0 answers
165 views

When can I use semiclassical approximation? [closed]

1 vote
3 answers
760 views

Lorentz symmetry and Noether's theorem