User Mathieu Krisztian

19 votes

6 answers

2k views

Does the electromagnetic wave have a lateral extension?

asked Mar 2, 2021 at 19:08

18 votes

4 answers

2k views

In classical physics (classical electrodynamics), why linearity of Maxwell's equations prevent interaction of electromagnetic waves?

asked Apr 14, 2021 at 20:57

18 votes

5 answers

3k views

Is it true that Maxwell equations are interpreted by taking right side of formula as the "origin" and the left part as "consequence"?

asked Aug 19, 2021 at 9:52

18 votes

5 answers

3k views

Is there a fundamental reason for the exponential dependence of the evolution of the temperature in an electronic deviced that is powered on?

asked Jun 7, 2021 at 19:21

16 votes

6 answers

4k views

How is it possible that combustion of coal releases similar energy as TNT explosion while intuitively we would not expect that?

asked Aug 31, 2020 at 19:19

10 votes

1 answer

416 views

Are neutrinos and sterile neutrinos both dark matter candidates?

asked May 1, 2020 at 10:16

7 votes

1 answer

861 views

Is there a fundamental reason why in the Standard Model, there is no Feynman rule for a vertex with more than 4 legs?

asked Apr 11, 2021 at 18:26

6 votes

2 answers

1k views

According to the Standard Model, were there 4 Higgs bosons at the beginning of the universe, before the electroweak symmetry breaking?

asked Sep 24, 2019 at 20:03

5 votes

1 answer

411 views

Are exceptions to Klechkowski/Madelung rules understood theoretically, or are there known only from experimental measurements?

asked Mar 28, 2020 at 16:11

5 votes

1 answer

309 views

Why massless particles have less number of possible polarisations than massive ones? [duplicate]

asked Apr 5, 2021 at 10:28

5 votes

2 answers

295 views

Why is it legitimate to use the Poisson law for likelihood computation in particle physics? (background events are not rare)

asked Apr 6, 2021 at 18:59

5 votes

4 answers

273 views

How to explain smooth absorption spectrum of nature (plants, etc.) while the atoms have discrete absorption lines?

asked Mar 23, 2021 at 20:13

5 votes

2 answers

581 views

Could somebody explain the stress versus strain curve?

asked Aug 26, 2020 at 20:49

4 votes

1 answer

274 views

What is the graphical representation of a wave plane of the form $e^{i(\vec{k}.\vec{r}-\omega t)}$ or $e^{i(k.x-\omega t)}$?

asked Feb 12, 2021 at 20:17

3 votes

3 answers

322 views

Would a hypothetic very fast camera allow to visualize the variations of the amplitude of visible light?

asked Aug 13, 2020 at 12:44

3 votes

1 answer

64 views

Could the Higgs field be noted $H^{\mu}$, in the same spirit as $W^{\mu}$ and $Z^{\mu}$?

asked Jul 6, 2022 at 17:55

3 votes

1 answer

1k views

Does humankind know technique to transform uranium 238 to uranium 235, for nuclear plants?

asked Nov 7, 2019 at 8:11

3 votes

1 answer

68 views

Why is the baseline of solar neutrinos is reported as "only" 10^10 meters while distance Sun-Earth is 1.5e11 meters?

asked Dec 21, 2019 at 21:32

2 votes

1 answer

304 views

Why spontaneous nuclear fission not classified as a kind of radioactive decay?

asked Nov 10, 2019 at 20:41

2 votes

1 answer

880 views

In neutrino oscillation experiment, what are the Feynman diagrams involved for the detection of the neutrino in the detector?

asked Dec 24, 2019 at 13:12

2 votes

2 answers

872 views

Why do mesons decay?

asked Aug 10, 2019 at 12:57

2 votes

2 answers

234 views

Is it really true that valence band is completely filled at zero temperature?

asked Sep 19, 2019 at 14:49

2 votes

2 answers

312 views

Is it true that gauge boson mix only around after the electroweak symmetry breaking, while mathematics do not explicitely state that?

asked Apr 21, 2020 at 10:06

2 votes

1 answer

173 views

Did Penzias and Wilson really make a picture of the CMB?

asked Mar 21, 2020 at 17:32

2 votes

2 answers

139 views

Why photon do not interact in quark gluon plasma?

asked Apr 28, 2020 at 21:59

2 votes

0 answers

27 views

What is the interpretation of a statistical CL contour in the case where the central observed measurement does not belong to the interior?

asked Jan 1, 2020 at 9:34

2 votes

2 answers

188 views

Is there a energy lower to -13.6 eV in a given atom/element?

asked Mar 13, 2020 at 22:41

2 votes

3 answers

956 views

Is it true that the Fermi-Dirac distribution is a probability?

asked Mar 2, 2020 at 20:58

2 votes

1 answer

99 views

In Standard Model, are both the Higgs doublet and its complex conjugate present in the universe, or not the complex conjugate one?

asked Jun 18, 2022 at 18:46

2 votes

3 answers

310 views

How could self-energy Feynman diagram be compatible with fundamental laws of physics? [duplicate]

asked Aug 6, 2021 at 14:56

Stack Exchange Network

143 Questions

Does the electromagnetic wave have a lateral extension?

In classical physics (classical electrodynamics), why linearity of Maxwell's equations prevent interaction of electromagnetic waves?

Is it true that Maxwell equations are interpreted by taking right side of formula as the "origin" and the left part as "consequence"?

Is there a fundamental reason for the exponential dependence of the evolution of the temperature in an electronic deviced that is powered on?

How is it possible that combustion of coal releases similar energy as TNT explosion while intuitively we would not expect that?

Are neutrinos and sterile neutrinos both dark matter candidates?

Is there a fundamental reason why in the Standard Model, there is no Feynman rule for a vertex with more than 4 legs?

According to the Standard Model, were there 4 Higgs bosons at the beginning of the universe, before the electroweak symmetry breaking?

Are exceptions to Klechkowski/Madelung rules understood theoretically, or are there known only from experimental measurements?

Why massless particles have less number of possible polarisations than massive ones? [duplicate]

Why is it legitimate to use the Poisson law for likelihood computation in particle physics? (background events are not rare)

How to explain smooth absorption spectrum of nature (plants, etc.) while the atoms have discrete absorption lines?

Could somebody explain the stress versus strain curve?

What is the graphical representation of a wave plane of the form $e^{i(\vec{k}.\vec{r}-\omega t)}$ or $e^{i(k.x-\omega t)}$?

Would a hypothetic very fast camera allow to visualize the variations of the amplitude of visible light?

Could the Higgs field be noted $H^{\mu}$, in the same spirit as $W^{\mu}$ and $Z^{\mu}$?

Does humankind know technique to transform uranium 238 to uranium 235, for nuclear plants?

Why is the baseline of solar neutrinos is reported as "only" 10^10 meters while distance Sun-Earth is 1.5e11 meters?

Why spontaneous nuclear fission not classified as a kind of radioactive decay?

In neutrino oscillation experiment, what are the Feynman diagrams involved for the detection of the neutrino in the detector?

Why do mesons decay?

Is it really true that valence band is completely filled at zero temperature?

Is it true that gauge boson mix only around after the electroweak symmetry breaking, while mathematics do not explicitely state that?

Did Penzias and Wilson really make a picture of the CMB?

Why photon do not interact in quark gluon plasma?

What is the interpretation of a statistical CL contour in the case where the central observed measurement does not belong to the interior?

Is there a energy lower to -13.6 eV in a given atom/element?

Is it true that the Fermi-Dirac distribution is a probability?

In Standard Model, are both the Higgs doublet and its complex conjugate present in the universe, or not the complex conjugate one?

How could self-energy Feynman diagram be compatible with fundamental laws of physics? [duplicate]