Heatherfield's user avatar
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Heatherfield's user avatar
Heatherfield
  • Member for 6 years, 7 months
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7 votes
1 answer
556 views

Is Landau&Lifshitz's argument for the classical Lagrangian's symmetries too strict?

4 votes
1 answer
2k views

QM Basis Transformation Through Unitary Operator

3 votes
0 answers
43 views

Why do Green functions show up in treating dielectric media microscopically?

3 votes
2 answers
706 views

Link between wave functions $\psi$ and state vectors $|\psi \rangle$ in quantum mechanics? [duplicate]

2 votes
0 answers
179 views

Is this the correct interpretation of specific intensity?

2 votes
1 answer
197 views

Infinity in two-point correlator of $\phi^4$ theory

1 vote
3 answers
519 views

The necessity of using tangent space as the vectors in general relativity

1 vote
3 answers
505 views

Difference between two derivations of length contraction?

0 votes
1 answer
208 views

What exactly is the output impedance in this circuit, and why must it be low?