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BebopButUnsteady
  • Member for 12 years, 8 months
  • Last seen more than 4 years ago
96 votes
Accepted

How is the Saddle point approximation used in physics?

33 votes
Accepted

Can an object accelerate to infinite speed in a finite time-interval in non-relativistic Newtonian mechanics?

29 votes

Is it possible for information to be transmitted faster than light by using a rigid pole?

27 votes

Is there some connection between the Virial theorem and a least action principle?

15 votes
Accepted

Would there be time dilation at the point where two gravitational fields cancel each other out?

12 votes

Possible research implications of proof of John Cardy's a-theorem in QFT

12 votes
Accepted

Continuous phase transition only hold for infinite systems. Real systems are finite, hence, a paradox

12 votes

Why is the Fermi surface stable?

11 votes
Accepted

What is the difference between a black hole and a point particle?

9 votes
Accepted

Why is calcium paramagnetic?

8 votes
Accepted

Example of a wavefunction that cannot be represented by a single Slater determinant

8 votes
Accepted

General integral to find resistance

8 votes
Accepted

Pairing symmetry / superconducting gap symmetry

7 votes
Accepted

Particles mass determined by SO(D-2) vs SO(D-1)

7 votes
Accepted

Can solar furnace achieve higher temperature than sun surface?

7 votes
Accepted

What are the local covariant tensors one can form from the metric?

7 votes
Accepted

Distinguish electron-like and hole-like orbits in reciprocal space, with reference to the Brillouin Zones

7 votes
Accepted

current operator in Hubbard model

6 votes

spectral function in condensed matter physics

6 votes

What is Anderson localization? Could someone give an example worked out in detail?

6 votes

What do mathematicians mean by Navier Stokes existence and smoothness problem?

6 votes
Accepted

Explanation of Cardy's "a theorem"

6 votes

Is the Lorentz group compact (and if not, is U(1)?)

6 votes

What non-metal is attracted by a magnet?

5 votes

Why is the decay of neutral kaons (violates CP invariance) seemingly not sufficient enough for certain people to describe matter-antimatter imbalance?

5 votes

Concentrating Sunlight to initiate fusion reaction

5 votes

What is the RC time constant in a superconductor?

5 votes

penetration of a solid body in a liquid

5 votes

Spontaneous symmetry breaking in classical mechanics, quantum mechanics and quantum field theory

5 votes

Are two waves being in phase the same as saying that the two waves are coherent?