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Thomas
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301 Answers

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59
Is there any hard scientific evidence that the alpha particle is tetrahedral?
Feb 4 '17 at 16:47
24
Is the speed of sound almost as high as the speed of light in neutron stars?
Feb 22 '13 at 19:01
22
Why Does Lattice QCD Use Heavier Than Physical Masses For Calculations?
Mar 27 '17 at 23:07
20
Turbulent spacetime from Einstein equation?
Nov 30 '15 at 19:51
19
How is the entropy at the time of the Big Bang calculated?
Nov 3 '19 at 15:45
19
Why can't the Navier Stokes equations be derived from first principle physics?
Jun 29 '15 at 14:04
14
Derivation of Ohm's Law
Oct 16 '12 at 3:29
12
Why hasn't Peter Higgs solved the Yang-Mills prize problem?
Feb 3 at 4:40
12
Relativity of temperature paradox
Jun 17 '16 at 13:50
11
Standard Model Proton Decay Rate
Oct 26 '16 at 4:27
11
Dispersion of ferromagnetic ($E\propto k^2$) and antiferromagnetic ($E\propto k$) spin wave
Dec 29 '12 at 15:15
11
Weak isospin confinement?
Oct 4 '12 at 1:15
9
How does the Kosterlitz-Thouless transition not violate the Mermin-Wagner theorem?
Oct 13 '16 at 20:18
9
Rigorous derivation of Fick's first law
Jan 19 '16 at 2:32
8
Why don't neutrons cluster on their own?
Mar 10 '16 at 19:39
8
What's the difference between a meson and a glueball?
Apr 22 '17 at 14:43
8
Bound states and scattering length
Jul 13 '13 at 16:20
7
Understanding typical non-perturbative calculations in QFT
Jan 6 '17 at 14:53
7
Relation between master, Fokker-Planck, Langevin, Kramers-Moyal and Boltzmann equations
May 26 '16 at 17:02
6
How to understand observed electric quadrupole moment of deuteron?
Jun 22 at 17:30
6
Is density fluctuation gapless in superfluid?
Oct 22 '17 at 2:18
6
Gluon photon mixing — why not?
Sep 23 '17 at 18:17
6
How can the radius of a bare neutron be negative?
Feb 26 '17 at 15:21
6
Could $p+p\rightarrow \pi^++d$ occur via the weak interaction?
Feb 5 '17 at 15:00
6
How Much Computing Power would be Required to Fully Simulate a Cubic Meter?
Sep 19 '15 at 1:34
6
In a fluid, why are the shear stresses $\tau_{xy}$ and $\tau_{yx}$ equal?
May 31 '15 at 21:28
6
Can the coefficient of friction be derived from fundamentals?
May 2 '15 at 3:50
5
Why a field theory containing only fermions does not show spontaneous symmetry breaking?
Apr 3 '19 at 13:19
5
Is Ohm's law valid for all frequencies?
Mar 21 '17 at 15:40
5
What is the branching fraction of the $\Delta^0$?
Feb 12 '17 at 22:08
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