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fqq
  • Member for 9 years, 7 months
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12 votes
Accepted

Propagator of a scalar in position space

7 votes
Accepted

Dimension of Hamiltonian & Diagonalizability

6 votes
Accepted

Peculiarity about a system of three electrons

5 votes
Accepted

How to solve Schrödinger's equation for this potential algebraically?

5 votes
Accepted

stability near the center of 4 positive point charges forming a square

5 votes

How many parallel processes does a Quantum Computer Have?

5 votes
Accepted

Why does Lorenz gauge condition $\partial_\mu A^\mu =0$ pick exactly one configuration from each gauge equivalence class?

4 votes
Accepted

Conjugate momentum is not gauge invariant

4 votes
Accepted

Klein-Gordon, gauge transformation

3 votes
Accepted

Feynman graph of induced current

3 votes
Accepted

Cross-product within commutator

3 votes

How do you measure numerically the central charge of a system?

3 votes
Accepted

What is the difference between toy models and normal models?

3 votes

In what sense is $\sum_{r =1}^3 \epsilon^r_\mu \epsilon^r_\nu $ a projection operator?

2 votes

Covariant formulation of physical equations?

2 votes

Angular momentum in the Maxwell field theory/Chern-Simons theory?

2 votes

Is chirality an intrinsic property of elementary fermions?

2 votes
Accepted

Glass state of water

2 votes
Accepted

Jacobian in dynamic path integral

2 votes
Accepted

Deriving $A^{\mu}_{;\nu}$ from $A_{\mu ; \nu}$

2 votes
Accepted

Expectation value of position of a particle

2 votes

if the universe is flat does it mean it exists only in our mind as math?

2 votes

Can General Relativity Metric Tensor be independent of a particular co-ordinate index in a local area?

2 votes

Why are the classical electron radius, the Bohr radius and the Compton wavelength of an electron related to each other?

1 vote

What does "carry a representation" mean (in SUSY algebra)?

1 vote

Gaining symmetry through boundary conditions

1 vote

Finding the Hamiltonian for which a certain wavefunction is the ground state

1 vote

What is the 'normal/standard' formulation of quantum mechanics called?

1 vote
Accepted

Is it possible for two respectively closed systems to be entangled?

1 vote
Accepted

EA order parameter $q(T)$ does not have limits paper says it has