Luessiaw's user avatar
Luessiaw's user avatar
Luessiaw's user avatar
Luessiaw
  • Member for 3 years
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  • China
3 votes
Accepted

Why does the inner product of a scalar operator vanish?

2 votes

Wavefunction with two different values at same point

1 vote

What is the evidence for the claim that the Uncertainty Principle is not a result of inadequacies in the measuring instruments/technique?

1 vote
Accepted

Boltzmann distribution and probability of finding the system with specific energy

1 vote

Confused about tensor notations of how vector and covectors act on each other

1 vote
Accepted

Confused about tensor notations of how vector and covectors act on each other

1 vote
Accepted

How to prove $\exp(-\frac{i}{2} \theta (e.J)) = I \cos(\frac{\theta}{2})- i( e.J) \sin(\frac{\theta}{2}) $

0 votes

Why should the fields not change under translation but may change under Lorentz transformations?

0 votes
Accepted

Why is the Lorentz transformation of fields linear?

0 votes

Can energy constraint $\sum n_r\varepsilon_r=E$ for nearly independent particle systems be replaced by $1/E$ or any nonlinear function $f(E)$?

0 votes
Accepted

Spacetime transformation in field theory

0 votes

Hamiltonian of a 3-level system with Zeeman sub-levels

0 votes

Quantum angular momentum addition of two particles

0 votes

Hyperfine Structure Derivation