User asmaier

57 votes

7 answers

5k views

Why do we have an elementary charge but no elementary mass?

asked Jan 30, 2011 at 23:48

44 votes

2 answers

6k views

Do gravitons interact with each other?

asked Nov 20, 2016 at 23:54

39 votes

7 answers

3k views

Do Maxwell's equation describe a single photon or an infinite number of photons?

asked Nov 20, 2016 at 22:33

37 votes

7 answers

4k views

Why is the contribution of a path in Feynmans path integral formalism $\sim e^{(i/\hbar)S[x(t)]}$?

asked Apr 14, 2011 at 20:16

36 votes

1 answer

10k views

How to define orbital angular momentum in other than three dimensions?

asked May 14, 2011 at 21:25

34 votes

10 answers

9k views

How can it be that the beginning universe had a high temperature and a low entropy at the same time?

asked Aug 26, 2011 at 21:22

32 votes

7 answers

7k views

Would there be no time in a universe with only light?

asked Oct 23, 2016 at 11:32

26 votes

5 answers

10k views

In what sense can a complex number be a scalar?

asked Sep 11, 2016 at 11:19

26 votes

2 answers

7k views

What is polarisation, spin, helicity, chirality and parity?

asked Jan 29, 2016 at 21:34

25 votes

5 answers

13k views

What is the difference between a functional and an operator?

asked Oct 6, 2016 at 7:00

25 votes

6 answers

2k views

Why does time not run backwards inside a refrigerator?

asked Oct 29, 2016 at 20:14

24 votes

3 answers

9k views

How realistic is the game "A slower speed of light"?

asked Nov 8, 2012 at 10:05

21 votes

1 answer

3k views

Can nowadays spin be described using path integrals?

asked Apr 14, 2014 at 19:10

19 votes

7 answers

4k views

Is the Planck length Lorentz invariant?

asked Jan 28, 2011 at 20:18

17 votes

3 answers

4k views

Why must the speed of light be the universal speed limit for all the fundamental forces of nature? [duplicate]

asked Oct 16, 2016 at 20:17

16 votes

4 answers

2k views

Why is black hole entropy not an extensive quantity?

asked Jul 25, 2016 at 22:03

15 votes

3 answers

2k views

Can the speed of light become complex inside a metamaterial?

asked May 21, 2011 at 21:03

15 votes

2 answers

525 views

Regularization: What is so special about the Coulomb/Newtonian and harmonic potential?

asked Jul 25, 2017 at 21:25

14 votes

2 answers

5k views

Can one define an acceleration operator in quantum mechanics?

asked Jun 4, 2013 at 12:35

13 votes

5 answers

4k views

Is there a relativistic generalization of the Maxwell-Boltzmann velocity distribution?

asked Jul 16, 2011 at 23:09

13 votes

1 answer

849 views

Do uncertainty relations for charge or mass exist?

asked Aug 19, 2016 at 23:22

13 votes

3 answers

4k views

What is the point of complex fields in classical field theory?

asked Jan 29, 2016 at 21:18

12 votes

2 answers

1k views

Could gravitons be quasiparticles like phonons?

asked Nov 4, 2016 at 23:42

12 votes

1 answer

2k views

Quantum version of the Galton Board

asked Nov 1, 2013 at 16:08

12 votes

2 answers

2k views

What is quantum discord?

asked Jun 9, 2011 at 21:30

12 votes

7 answers

8k views

What are the most important papers in physics? [closed]

asked Feb 2, 2011 at 22:23

12 votes

2 answers

426 views

Is there a connection between Bertrands theorem and Chaos theory?

asked May 30, 2017 at 21:24

11 votes

2 answers

1k views

How does an imaginary coefficient in the heat equation ensure no special direction in time?

asked Sep 11, 2018 at 7:20

11 votes

6 answers

2k views

Is there a Schrödinger equation for phase space?

asked Sep 18, 2016 at 21:51

11 votes

1 answer

3k views

Is John Nash's "Interesting Equation" really interesting?

asked Jun 13, 2015 at 11:49

Stack Exchange Network

90 Questions

Why do we have an elementary charge but no elementary mass?

Do gravitons interact with each other?

Do Maxwell's equation describe a single photon or an infinite number of photons?

Why is the contribution of a path in Feynmans path integral formalism $\sim e^{(i/\hbar)S[x(t)]}$?

How to define orbital angular momentum in other than three dimensions?

How can it be that the beginning universe had a high temperature and a low entropy at the same time?

Would there be no time in a universe with only light?

In what sense can a complex number be a scalar?

What is polarisation, spin, helicity, chirality and parity?

What is the difference between a functional and an operator?

Why does time not run backwards inside a refrigerator?

How realistic is the game "A slower speed of light"?

Can nowadays spin be described using path integrals?

Is the Planck length Lorentz invariant?

Why must the speed of light be the universal speed limit for all the fundamental forces of nature? [duplicate]

Why is black hole entropy not an extensive quantity?

Can the speed of light become complex inside a metamaterial?

Regularization: What is so special about the Coulomb/Newtonian and harmonic potential?

Can one define an acceleration operator in quantum mechanics?

Is there a relativistic generalization of the Maxwell-Boltzmann velocity distribution?

Do uncertainty relations for charge or mass exist?

What is the point of complex fields in classical field theory?

Could gravitons be quasiparticles like phonons?

Quantum version of the Galton Board

What is quantum discord?

What are the most important papers in physics? [closed]

Is there a connection between Bertrands theorem and Chaos theory?

How does an imaginary coefficient in the heat equation ensure no special direction in time?

Is there a Schrödinger equation for phase space?

Is John Nash's "Interesting Equation" really interesting?