User John Donne

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What does a Galilean transformation of Maxwell's equations look like?

answered Jan 9, 2018 at 15:37

15 votes

Ultra-relativistic gas

answered Dec 27, 2017 at 17:49

13 votes

Do Maxwell's equations imply that still charges produce electrostatic fields and no magnetic fields?

answered Dec 16, 2017 at 19:46

12 votes

Does salt affect the boiling time of water?

answered Nov 29, 2017 at 21:35

11 votes

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Determining the probability of outcomes in a measurement

answered Nov 22, 2017 at 0:43

10 votes

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Derive vacuum polarization and magnetization

answered Feb 25, 2021 at 15:42

6 votes

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Fourier transform in Hawking's paper

answered Sep 8, 2019 at 14:48

6 votes

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How to calculate density of states for different gas models?

answered May 15, 2018 at 8:29

6 votes

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Original Derivations of Euler Equations or Navier-Stokes Equations

answered Jun 5, 2018 at 15:08

5 votes

How can we justify, in deriving quantum statistics, the use of Stirling approximation in the form $\ln(x!)\approx x \ln x - x$?

answered Jul 28, 2018 at 8:59

5 votes

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Derivation of Boltzmann equation in Kolb and Turner's The Early Universe

answered Nov 11, 2018 at 22:52

5 votes

What is the difference in the two notation?

answered Nov 29, 2017 at 20:42

5 votes

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Is space becoming time-like inside an event horizon a consequence of our coordinate system?

answered Nov 25, 2017 at 13:43

5 votes

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Why gauge transformations does not/cannot change a quantum state?

answered Apr 6, 2020 at 13:39

4 votes

For the free electromagnetic field, is it possible make single gauge transformation to achieve $\phi={\bf \nabla}\cdot{\bf A}=0$?

answered Apr 15, 2020 at 14:58

4 votes

Will a proof of the existence and smoothness of the Navier-Stokes equations contribute to a GUT?

answered Nov 20, 2017 at 17:37

4 votes

Third-order virial coefficient for hard spheres

answered Nov 29, 2017 at 13:58

4 votes

Did Newton know or assume that planetary (extraterrestrial) space was frictionless vacuum-space?

answered Apr 10, 2018 at 14:56

4 votes

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Physical meaning of the Casimir operators of Poincarè algebra

answered Oct 15, 2018 at 10:49

3 votes

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Helmholtz Decomposition for a four-vector field

answered Sep 1, 2018 at 19:33

3 votes

Is there a theoretical limit to efficiency of a quantum computer?

answered Jul 17, 2018 at 20:03

3 votes

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Validity of relativistic hydrodynamic equations

answered May 12, 2018 at 9:59

3 votes

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What is the precise/defining mathematical behaviour for Meissner effect?

answered Dec 28, 2017 at 12:27

3 votes

Proof that the uniqueness theorem is valid for zero potential at infinity

answered Apr 9, 2018 at 21:39

3 votes

Ideal Gas: an unexpected consequence of indistinguishability and the $N!$ term

answered Nov 20, 2017 at 19:31

3 votes

What is meant by $dy/y$?

answered Nov 13, 2017 at 23:56

3 votes

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How do I get from the basic Helmholtz equation to this parametrised form?

answered Nov 30, 2017 at 18:32

3 votes

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Propagator of Hermitian operator

answered Dec 2, 2017 at 23:20

3 votes

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Mercury's precession

answered Dec 5, 2017 at 21:56

3 votes

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How to find the operator $A$ in the second order correction to the ground state energy of Hydrogen (Stark effect)

answered Aug 26, 2019 at 9:47

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97 Answers

What does a Galilean transformation of Maxwell's equations look like?

Ultra-relativistic gas

Do Maxwell's equations imply that still charges produce electrostatic fields and no magnetic fields?

Does salt affect the boiling time of water?

Determining the probability of outcomes in a measurement

Derive vacuum polarization and magnetization

Fourier transform in Hawking's paper

How to calculate density of states for different gas models?

Original Derivations of Euler Equations or Navier-Stokes Equations

How can we justify, in deriving quantum statistics, the use of Stirling approximation in the form $\ln(x!)\approx x \ln x - x$?

Derivation of Boltzmann equation in Kolb and Turner's The Early Universe

What is the difference in the two notation?

Is space becoming time-like inside an event horizon a consequence of our coordinate system?

Why gauge transformations does not/cannot change a quantum state?

For the free electromagnetic field, is it possible make single gauge transformation to achieve $\phi={\bf \nabla}\cdot{\bf A}=0$?

Will a proof of the existence and smoothness of the Navier-Stokes equations contribute to a GUT?

Third-order virial coefficient for hard spheres

Did Newton know or assume that planetary (extraterrestrial) space was frictionless vacuum-space?

Physical meaning of the Casimir operators of Poincarè algebra

Helmholtz Decomposition for a four-vector field

Is there a theoretical limit to efficiency of a quantum computer?

Validity of relativistic hydrodynamic equations

What is the precise/defining mathematical behaviour for Meissner effect?

Proof that the uniqueness theorem is valid for zero potential at infinity

Ideal Gas: an unexpected consequence of indistinguishability and the $N!$ term

What is meant by $dy/y$?

How do I get from the basic Helmholtz equation to this parametrised form?

Propagator of Hermitian operator

Mercury's precession

How to find the operator $A$ in the second order correction to the ground state energy of Hydrogen (Stark effect)