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Tobias Kienzler

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19 Questions

Views Newest Activity Votes

votes

answers

10k

views

Is there something similar to Noether's theorem for discrete symmetries?

Apr 7 '17 at 6:48 Community♦ 1

votes

answers

views

Is a “third quantization” possible?

quantum-field-theory quantization second-quantization

Mar 18 '15 at 13:19 Community♦ 1

votes

answers

views

Why does one experience a short pull in the wrong direction when a vehicle stops?

newtonian-mechanics jerk

Jul 28 '16 at 15:15 Community♦ 1

votes

answers

views

Is the world $C^\infty$?

quantum-field-theory analyticity

Apr 23 '11 at 19:40 Community♦ 1

votes

answers

298

views

Can symmetry generators be used for quantization?

quantum-field-theory mathematical-physics symmetry group-theory quantization

Jan 3 '13 at 12:27 Dilaton 5,398

votes

answer

views

What is the definition of how to count degrees of freedom?

definition degrees-of-freedom

Oct 25 '12 at 11:54 Community♦ 1

votes

answers

views

If all conserved quantities of a system are known, can they be explained by symmetries?

mathematical-physics symmetry noethers-theorem conservation-laws integrals-of-motion

Apr 28 '11 at 21:06 Community♦ 1

votes

answers

views

Is a neutron star basically an isotope?

neutrons neutron-stars isotopes

Sep 13 '15 at 20:12 pathintegral 832

votes

answers

424

views

What colour is an electron?

electromagnetic-radiation quantum-electrodynamics non-linear-optics

Mar 1 at 3:14 KF Gauss 1,776

votes

answers

666

views

Are there models/simulations of antigravitational antimatter-galaxies?

gravity simulations antimatter galaxies models

Jan 26 '16 at 0:34 Community♦ 1

votes

answers

528

views

Why does $\mathcal L = -\frac14 F^{\mu\nu} F_{\mu\nu}$ imply Photons are massless?

particle-physics photons group-theory group-representations

Jul 31 '14 at 18:50 Tobias Kienzler 3,783

votes

answers

309

views

Is Quantum Coulomb still singular?

quantum-mechanics electromagnetism charge singularities coulombs-law

Sep 10 '15 at 8:28 Tobias Kienzler 3,783

votes

answer

802

views

Imaginary time is to inverse temperature what imaginary entropy is to …?

time temperature entropy complex-numbers wick-rotation

Oct 26 '14 at 1:42 Nathaniel 25.3k

votes

answer

330

views

How to correctly calculate the colour of the sky?

optics electromagnetic-radiation scattering atmospheric-science sun

May 12 at 17:02 Community♦ 1

votes

answers

views

How to measure Entropy?

entropy measurements

May 20 '15 at 13:32 Kyle Kanos 21.8k

votes

answer

754

views

Is the Gibbs-Duhem equation always valid?

thermodynamics potential

Mar 22 '15 at 20:24 Community♦ 1

votes

answer

views

A nice overview (and maybe derivation) of the Poincaré transformations of the Vector Spherical Harmonics

research-level specific-reference group-representations poincare-symmetry spherical-harmonics

Jan 27 '13 at 16:00 Dilaton 5,398

votes

answer

views

How linearly additive are the x-ray mass attenuation coefficients for molecules?

absorption x-rays attenuation

Aug 5 at 9:34 imabug 448

votes

answers

172

views

Does time pass fastest in isolated, resting space?

general-relativity time vacuum

Feb 21 '17 at 5:52 Anixx 6,076

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19 Questions

Is there something similar to Noether's theorem for discrete symmetries?

Is a “third quantization” possible?

Why does one experience a short pull in the wrong direction when a vehicle stops?

Is the world $C^\infty$?

Can symmetry generators be used for quantization?

What is the definition of how to count degrees of freedom?

If all conserved quantities of a system are known, can they be explained by symmetries?

Is a neutron star basically an isotope?

What colour is an electron?

Are there models/simulations of antigravitational antimatter-galaxies?

Why does $\mathcal L = -\frac14 F^{\mu\nu} F_{\mu\nu}$ imply Photons are massless?

Is Quantum Coulomb still singular?

Imaginary time is to inverse temperature what imaginary entropy is to …?

How to correctly calculate the colour of the sky?

How to measure Entropy?

Is the Gibbs-Duhem equation always valid?

A nice overview (and maybe derivation) of the Poincaré transformations of the Vector Spherical Harmonics

How linearly additive are the x-ray mass attenuation coefficients for molecules?

Does time pass fastest in isolated, resting space?