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Nogueira's user avatar
Nogueira's user avatar
Nogueira
  • Member for 10 years, 5 months
  • Last seen this week
  • Brazil
16 votes
Accepted

How to interpret the derivative of the Dirac delta potential?

12 votes
Accepted

Eigenstate of field operator in QFT

9 votes
Accepted

Interpretation of $\phi(x)|0 \rangle$ in interacting theory

9 votes
Accepted

How are entangled states created?

9 votes

Are spinors representations of the Lorentz group or its associated algebra?

7 votes
Accepted

Why can't Faddeev-Popov ghosts be replaced with bosons?

7 votes

Normal ordering in string theory: Polchinski vs. all others

7 votes
Accepted

Does string theory violate general covariance?

6 votes

Physical interpretation of fields in QFT

6 votes

Dirac equation in QFT vs relativistic QM

6 votes

Are dualities in QFT just change of variables?

5 votes

What is exactly a quantum fluctuation?

5 votes

How does the adjoint of $SO(10)$ branch under $SU(5)$

5 votes

Uniqueness of the definition of Noether current

5 votes
Accepted

What are the differences (if any) between the Dyson's series definition and the "in/out" definition of the $S$-matrix

5 votes
Accepted

Materials about S-matrix and S-matrix theory

5 votes
Accepted

Inverse Square Law and extra space dimensions

5 votes

Are there SUSY Lagrangian terms that are not D-term nor F-term?

5 votes

Can we always find a Hilbert space corresponding to a region of spacetime?

5 votes

The interrelation of the different forms of coupling constants

4 votes
Accepted

Lorentz invariance of measure $\int \frac{d^3 p}{\sqrt{2\omega_p}}$

4 votes
Accepted

Difference between homogeneous and uniform?

4 votes
Accepted

How to see that $F$ $F$ dual is a surface term?

4 votes

Why don't closed strings's world-sheets have boundaries?

4 votes
Accepted

Does the vanishing of the one-loop beta-function imply no running to all orders?

4 votes

What is the essence of the Unruh-effect?

4 votes

Why do we need $2^\text{nd}$ quantization of the Dirac equation

4 votes

Do we need an orthonormal basis in Quantum Mechanics?

4 votes

Decay, scattering and forces in quantum field theory

4 votes

Why are many physicists trying to develop non-perturbative quantum theories?

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