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Question 1

-4votes

0answers

80views

The cat thought experiment [duplicate]

This thought experiment was made with the purpose of trying to understand whether the ideal gas law holds in relativistic frames.Suppose you have two observers, a box that is perfectly insulative and ...

Benjamin Mushinge

7

askedyesterday

Question 2

-1votes

0answers

71views

Relativistically spinning top? [duplicate]

Assuming a spinning top with a rigid radius, not changing due to centrifugal forces, of 2 cm at the equator measured at rest, is spinning hypothetically at approximate $0.866c$ the speed of light in ...

Markoul11

4,685

askedyesterday

Question 3

-1votes

2answers

91views

Proper times of two inertial observers. [closed]

According to the Lorentz transformations, if an observer $O'$ moves at a relative velocity $\beta$ with respect to another observer $O$, the proper times $t$ and $t'$ would be related by:$$ t=\sqrt{1-...

Speltzu

107

asked2 days ago

Question 4

1vote

2answers

395views

Invariance of the interval in Schutz - maths error?

Reading Schutz's book on GR: On page 9, there's a derivation that I don't follow.$\newcommand{\d}{\Delta} \newcommand{\b}[1]{\bar{#1}}$ Then in theexpression for $\d\b{s}^2$, $$\d\b{s}^2 = -(\d\b{...

hurreechunder

55

askedNov 25 at 1:01

Question 5

0votes

0answers

101views

Bargmann–Michel–Telegdi (BMT) equation derivation?

What is the relativistic equation capturing the equation of motion of an electron going through the Stern-Gerlach experiment in classical mechanics? After some googling it seems I'm after a derivation ...

More Anonymous

1,505

askedNov 23 at 4:40

Question 6

5votes

5answers

880views

What exactly is different about the slice of space and lightcone concept in special relativity?

In Sean Carroll's book on GR, in the very first chapter about SR, he mentions how the difference between Newtonian concepts of space and time, and the view put forward in SR is how there is an "...

Phyilio

61

askedNov 21 at 10:19

Question 7

-1votes

1answer

124views

Sign confusion in Relativistic Lagrangian and Lorentz Force Derivation [duplicate]

This is a rewrite of the original question and calculation, which should be now correct and focusses on the core issues of possible confusion:I was confronted with some confusion regarding the ...

theta_phi

39

askedNov 18 at 17:18

Question 8

1vote

3answers

291views

Where is the increased mass reserved based on Einstein's mass-energy equation?

Assume a huge parallel-plate capacitor with plates located at an infinite distance away from each other. If we tend to move a positively charged object ($+q$) with a rest mass of $m$ against the ...

Mohammad Javanshiry

2,920

askedNov 17 at 19:14

Question 9

0votes

0answers

44views

Maxwell-Juttner distribution and its derivation

I am looking for good notes on the Maxwell-Juttner distribution and its derivation. I stumbled across this post Calculation of Maxwell-Juttner distribution integral but I was unable to find reference ...

Rinzler

9

askedNov 16 at 9:45

Question 10

-3votes

0answers

121views

Experimental verifications of relativity “in the classical limit”? [closed]

Note: This question is pretty basic and therefore probably has been asked before in another form -- please let me know which question this is a duplicate of in that case. (I couldn't find it myself.)...

Chill2Macht

576

askedNov 15 at 17:48

Question 11

6votes

4answers

1kviews

The integral form of Faraday’s law seems nonlocal, what's wrong?

Consider this example I met in my physics class:An infinitely long cylindrical region contains a uniform magnetic field$B$ within it whose magnitude varies with time. Determine the induced electric ...

Harry

513

askedNov 15 at 11:04

Question 12

-5votes

1answer

125views

Why can't only time dilation alone take place in special relativity, without length contraction? [closed]

An object moving relative to an observer experiences time dilation, as stated in the theory of Special Relativity.But suppose only time dilation occurred while lengths remained unchanged.Wouldn’t ...

Optimus Prime

107

askedNov 14 at 17:28

Question 13

0votes

1answer

132views

Clock on a moving rocket

Let's say that there is a clock mounted outside a rocket that is moving at a constant velocity upwards as measured by an adjacent observer looking at the clock from a stationary platform. The clock's ...

Owlywolf

507

askedNov 12 at 15:47

Question 14

1vote

4answers

353views

In the Twin Paradox, can one twin travel backwards in time?

In the Twin Paradox, if the travelling twin, Betty, instead of returning to her brother Albert at home, continues her journey after a period of rest, why is causality not violated due to her brother, ...

willjones1982

121

askedNov 12 at 12:28

Question 15

1vote

1answer

80views

Dirac-Hartree-Fock [closed]

I am trying to work my way through Dirac-Hartree-Fock. I have reached a point where I am baffled. I will present the problem here, but will have to define a few things since nomenclature is so varied ...

Dennis W. Bennett

49

askedNov 11 at 21:09

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Stack Exchange Network

Questions tagged [special-relativity]

The cat thought experiment [duplicate]

Relativistically spinning top? [duplicate]

Proper times of two inertial observers. [closed]

Invariance of the interval in Schutz - maths error?

Bargmann–Michel–Telegdi (BMT) equation derivation?

What exactly is different about the slice of space and lightcone concept in special relativity?

Sign confusion in Relativistic Lagrangian and Lorentz Force Derivation [duplicate]

Where is the increased mass reserved based on Einstein's mass-energy equation?

Maxwell-Juttner distribution and its derivation

Experimental verifications of relativity “in the classical limit”? [closed]

The integral form of Faraday’s law seems nonlocal, what's wrong?

Why can't only time dilation alone take place in special relativity, without length contraction? [closed]

Clock on a moving rocket

In the Twin Paradox, can one twin travel backwards in time?

Dirac-Hartree-Fock [closed]

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