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  • 24 votes cast
Apr
22
comment Electromagnetism theory and complex scalar field
Thanks, you helped me with this covariant derivative condition.
Apr
22
accepted Electromagnetism theory and complex scalar field
Apr
21
comment What really is the smallest “mass” or “object” in the universe?
what the actual fuck
Apr
21
asked Electromagnetism theory and complex scalar field
Apr
21
comment A spin zero graviton?
Probably because of symmetry of gravitational field - promising answer is on Quora: quora.com/…
Apr
21
comment Why don't people use Hamilton's equations for a relativistic free charged particle?
Good question - I don't know. We could suppose that if energy-momentum equation is conserved, then LT are applied. It just does not conserve the locality principle, which is something else than Lorentz Transform.
Apr
20
comment Approximating Gas Density
Having speed of sound gives another information, so maybe we could calculate mean molar mass from it. Okay, I'll maybe write addition tomorrow, for now we wait for another answer :)
Apr
20
answered Why don't people use Hamilton's equations for a relativistic free charged particle?
Apr
20
accepted Higher than Lagrangian/action?
Apr
20
comment Higher than Lagrangian/action?
Thank you mate, you gave me some nice sources to read :)
Apr
20
revised Higher than Lagrangian/action?
superior -> more fundamental
Apr
20
comment Higher than Lagrangian/action?
@AccidentalFourierTransform in same way that function is superior to it's derivative - you can derive only one unique set of EoM from lagrangian, but many lagrangians from EoM (and you need to guess).
Apr
20
asked Higher than Lagrangian/action?
Apr
20
awarded  Informed
Apr
20
answered Approximating Gas Density
Mar
19
asked Thermal wavelength and critical temperature for Bose-Einstein condensate
Feb
2
awarded  Curious
Feb
1
comment Describe proton and electron by one wavefunction
@Martin - well, I can try with tensor products.
Feb
1
comment Describe proton and electron by one wavefunction
decoupling nucleus and electron. If I would want to find solution for hydrogen atom in relativistic description, believe me, i have handbooks for that :)
Feb
1
asked Describe proton and electron by one wavefunction