User N. Virgo

88 votes

3 answers

83k views

First and second order phase transitions

asked Oct 10, 2013 at 5:01

65 votes

5 answers

7k views

Is there a Lagrangian formulation of statistical mechanics?

asked Jan 18, 2013 at 10:27

65 votes

4 answers

6k views

From where (in space-time) does Hawking radiation originate?

asked Mar 18, 2012 at 10:16

40 votes

6 answers

3k views

If there were fundamental forces weaker than gravity, would we know about it?

asked Jul 18, 2014 at 7:03

38 votes

3 answers

6k views

Phase space volume and relativity

asked Jul 7, 2012 at 11:55

35 votes

2 answers

4k views

Motivation for the use of Tsallis entropy

asked Nov 13, 2013 at 5:15

34 votes

3 answers

5k views

Are the Hamiltonian and Lagrangian always convex functions?

asked Mar 18, 2014 at 6:34

32 votes

5 answers

4k views

Can Lagrangian be thought of as a metric?

asked Mar 30, 2014 at 5:04

23 votes

2 answers

2k views

How deep is the Great Red Spot?

asked Dec 15, 2012 at 4:50

23 votes

2 answers

3k views

Hourglass on the Moon

asked Nov 22, 2014 at 13:41

22 votes

2 answers

995 views

Does this type of phase transition exist?

asked Oct 14, 2013 at 4:52

19 votes

3 answers

2k views

Is there conservation of information during quantum measurement?

asked Apr 14, 2012 at 14:50

19 votes

6 answers

7k views

Entropy of radiation emitted into space

asked Sep 30, 2011 at 12:00

17 votes

7 answers

2k views

What is the easiest way to stop a star?

asked Sep 21, 2012 at 8:54

16 votes

1 answer

2k views

Definition of phase transitions in statistical mechanics

asked Oct 7, 2013 at 8:25

16 votes

3 answers

650 views

On what specific astronomical observations is the Fermi paradox based?

asked Jan 29, 2018 at 3:58

15 votes

5 answers

2k views

Could a Dyson sphere destroy a star?

asked Feb 5, 2012 at 14:51

13 votes

1 answer

871 views

What is the argument for detailed balance in chemistry?

asked Jan 18, 2015 at 5:26

12 votes

3 answers

1k views

Intensity of Hawking radiation for different observers relative to a black hole

asked Mar 28, 2012 at 20:49

12 votes

2 answers

1k views

How much choice did Einstein have in choosing his GR equations?

asked Jun 16, 2012 at 21:38

11 votes

3 answers

379 views

Reference request for low entropy Big Bang

asked Jul 14, 2012 at 10:25

11 votes

2 answers

669 views

Conservation of phase space volume in Rindler space-time

asked Feb 24, 2014 at 2:56

10 votes

5 answers

2k views

General relativity and the microscopic/macroscopic distinction

asked Nov 23, 2012 at 5:17

10 votes

1 answer

1k views

Is a black hole's surface area invariant for distant intertial observers?

asked May 9, 2012 at 15:21

10 votes

2 answers

2k views

What is the physics behind "mocha diffusion"?

asked Jun 22, 2016 at 5:52

9 votes

1 answer

2k views

How likely is it that metallic hydrogen is metastable at atmospheric pressure?

asked Jan 27, 2017 at 0:45

9 votes

2 answers

800 views

Pluto's internal heat source

asked Sep 28, 2015 at 13:03

9 votes

2 answers

1k views

How does Earth's interior dynamo work?

asked May 31, 2012 at 12:40

9 votes

1 answer

1k views

Free surface of inviscid fluid flow

asked Dec 19, 2011 at 15:58

8 votes

2 answers

1k views

Spontaneous conversion of heat into work at negative temperatures

asked Apr 11, 2013 at 3:28

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53 Questions

First and second order phase transitions

Is there a Lagrangian formulation of statistical mechanics?

From where (in space-time) does Hawking radiation originate?

If there were fundamental forces weaker than gravity, would we know about it?

Phase space volume and relativity

Motivation for the use of Tsallis entropy

Are the Hamiltonian and Lagrangian always convex functions?

Can Lagrangian be thought of as a metric?

How deep is the Great Red Spot?

Hourglass on the Moon

Does this type of phase transition exist?

Is there conservation of information during quantum measurement?

Entropy of radiation emitted into space

What is the easiest way to stop a star?

Definition of phase transitions in statistical mechanics

On what specific astronomical observations is the Fermi paradox based?

Could a Dyson sphere destroy a star?

What is the argument for detailed balance in chemistry?

Intensity of Hawking radiation for different observers relative to a black hole

How much choice did Einstein have in choosing his GR equations?

Reference request for low entropy Big Bang

Conservation of phase space volume in Rindler space-time

General relativity and the microscopic/macroscopic distinction

Is a black hole's surface area invariant for distant intertial observers?

What is the physics behind "mocha diffusion"?

How likely is it that metallic hydrogen is metastable at atmospheric pressure?

Pluto's internal heat source

How does Earth's interior dynamo work?

Free surface of inviscid fluid flow

Spontaneous conversion of heat into work at negative temperatures