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ACuriousMind's user avatar
ACuriousMind's user avatar
ACuriousMind
Moderator
  • Member for 9 years, 9 months
  • Last seen this week
  • Heidelberg, Germany
3 votes

Eigenstates of a harmonic oscillator

1 vote
Accepted

Necessity, significance of Spinors

2 votes

Rate of flow of electrons in a simple circuit, given the current?

6 votes
Accepted

Is the Uncertainty Principle a logical consequence from the Wave-Particle duality?

9 votes
Accepted

What is a ghost number?

66 votes

Do all the conservation laws of Physics take no time to propagate?

13 votes
Accepted

Why does time evolution operator have the form $U(t) = e^{-itH}$?

1 vote
Accepted

What is a single-phonon?

12 votes
Accepted

How is the EM force exchanged over long distances?

7 votes

Electron as a standing wave and its stability

2 votes
Accepted

Is harmonic oscillator continuous variable system?

3 votes
Accepted

Coupling an electric charge to a gauge field. How is it done in this setup?

4 votes

Difference between Cosmologial Constant and Quantum Vacuum State

3 votes

Momentum eigenstates in an interacting quantum field theory

12 votes
Accepted

Total orbital and spin angular momentum for a closed shell

7 votes
Accepted

Coulomb's law with an $r^3$, not $r^2$, in the denominator

3 votes
Accepted

Is EM interpreted in a principal or vector bundle?

1 vote

Principle of superposition and QED

3 votes

Do all the electromagnetic radiations have dual nature i.e. particle nature & wave nature?

19 votes
Accepted

Do particles with exactly zero energy exist?

3 votes
Accepted

How are scale of renormalization and scale of symmetry breaking related?

3 votes
Accepted

Generalised velocities enough to be deterministic in Lagrangian mechanics?

5 votes

Why aren't electrons waves by "default"?

6 votes

Why is $\mathbf \nabla \cdot \mathbf {J} = 0$ where $\bf J$ is the current density?

2 votes
Accepted

Green's function for the Klein-Gordon equation diverging?

17 votes
Accepted

Do electrostatic fields really obey "action at a distance"?

7 votes

How to connect these two formulations regarding the need for a density matrix in quantum mechanics?

4 votes
Accepted

How to check if some term in the Lagrangian involving gauge bosons is gauge invariant without explicit computations?

1 vote

Does a free electron, one that's not either in an atom or a wire, have an associated wave-function?

11 votes
Accepted

Quantum mechanics and the atom

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