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Frederic Brünner
  • Member for 10 years, 9 months
  • Last seen more than 2 years ago
78 votes
Accepted

Why does cold metal seem colder than cold air?

50 votes

What does it mean that there is no mathematical proof for confinement?

39 votes

Is gravity just electromagnetic attraction?

33 votes

Virtual particles and physical laws

33 votes
Accepted

Are vacuum fluctuations really happening all the time?

28 votes
Accepted

Why is there no permittivity-type constant for gravitation?

20 votes

Are atoms made of protons, electrons and neutrinos?

19 votes
Accepted

Yang-Mills CP violation

19 votes

How literally should you take "The Higgs boson gives other particles mass"?

17 votes
Accepted

Why are anti-de Sitter spaces so interesting when we believe the universe is expansionary?

15 votes
Accepted

How to prove useful property of logarithm of generating functional in QFT?

15 votes
Accepted

What are Quarks made of and will they ever decay to this?

15 votes

What is the origin of the factor of $-1/4$ in the Maxwell Lagrangian?

15 votes

Nambu-Goldstone bosons from a quantum anomaly symmetry breaking?

14 votes

Does Gravity Really Exist?

14 votes
Accepted

Why $SU(3)$ and not $U(3)$?

14 votes

Why do we need high energy to explore small dimensions?

13 votes
Accepted

Renormalizing IR and UV divergences

12 votes

Is there a momentum for charge?

12 votes
Accepted

Why should it be allowed to set the einbein to unity?

11 votes

Is there a connection between gluons and photons?

11 votes

Operator Product Expansion (OPE) in Conformal Field Theory

11 votes

Hilbert Space of (quantum) Gauge theory

11 votes
Accepted

Is the effective Lagrangian the bare Lagrangian?

10 votes

QCD in the non-perturbative regime

10 votes
Accepted

Classical theories and AdS/CFT

10 votes

Gravitational doubt

10 votes

Why aren't all photons virtual particles even in the "vacuum" of empty space?

9 votes

Is escape velocity the same for all objects?

9 votes
Accepted

In what sense do Goldstone bosons live in the coset?

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