User Adam Herbst

21 votes

6 answers

8k views

Why did Feynman say the double slit experiment "contains the only mystery" of quantum mechanics?

asked Aug 16, 2022 at 2:53

9 votes

2 answers

635 views

What's the importance of all four fundamental forces being "curvature"?

asked Jul 23, 2022 at 19:37

8 votes

1 answer

709 views

Can the postulates of path-integral QFT be stated concisely?

asked Apr 25, 2021 at 1:20

7 votes

3 answers

232 views

Which experiments confirm that the Born rule is $|\psi|^2$ rather than $|\psi|$?

asked Sep 12, 2022 at 19:03

7 votes

3 answers

482 views

Why should we expect motional emf to obey the same general relation as Faraday's Law?

asked Mar 27 at 15:14

5 votes

4 answers

265 views

Is there a connection between $\hbar$ being in the path integral and being the unit of spin? [duplicate]

asked Dec 10, 2022 at 19:26

5 votes

1 answer

94 views

Experimental evidence for the shape of a single electron's EM field?

asked Aug 10, 2021 at 1:20

5 votes

2 answers

118 views

Do test particles initially comoving with a black hole accelerate away from it?

asked Jan 6, 2022 at 18:56

4 votes

0 answers

63 views

Is there a coordinate system for the Schwarzchild spacetime where $r$ is proper length/time?

asked Nov 3, 2021 at 12:33

4 votes

1 answer

189 views

What's the big deal with interacting tachyons?

asked Aug 18, 2021 at 22:39

3 votes

2 answers

214 views

How to illustrate that the energy density of EM waves is NOT frequency dependent?

asked Oct 1, 2021 at 0:02

3 votes

0 answers

81 views

Can a single QFT field configuration be written as a set of spinor/vector valued functions?

asked Jul 9, 2021 at 5:07

3 votes

1 answer

243 views

How could the universe be spatially flat on average, if all forms of energy have positive spatial curvature?

asked Jul 23, 2021 at 16:56

3 votes

1 answer

313 views

Is the QED equation of motion for the wavefunction just the Dirac equation?

asked Dec 30, 2022 at 21:10

3 votes

1 answer

216 views

Can the Dirac equation describe the production the of electromagnetic field?

asked Dec 31, 2022 at 19:18

3 votes

2 answers

189 views

Can the $SU(3)$ gauge field be put in geometric algebra terms?

asked Jun 15, 2022 at 0:40

3 votes

3 answers

284 views

Why should dark matter and dark energy inherently require theoretical modification?

asked Jul 18, 2022 at 22:34

3 votes

0 answers

69 views

Can the QFT path integral be re-expressed using a real, positive-definite function of the action? [duplicate]

asked Sep 13, 2022 at 22:19

2 votes

1 answer

156 views

Does the Dirac equation put charge and spin on the same footing?

asked Mar 9, 2022 at 16:40

2 votes

0 answers

116 views

Why do we need a whole field of operators in QFT?

asked Jul 23, 2022 at 16:34

2 votes

1 answer

100 views

What's the correspondence between Feynman diagrams and field configurations?

asked May 23 at 0:10

2 votes

3 answers

507 views

How is the Dirac field classical before second quantization?

asked Jun 10, 2021 at 16:17

2 votes

0 answers

236 views

Dirac spinor as null vectors

asked Jun 13, 2019 at 0:06

2 votes

0 answers

68 views

To what extent could Huygens' principle still apply to the QFT wave-functional?

asked Aug 18, 2021 at 2:45

2 votes

0 answers

52 views

A geometric understanding of Kaluza-Klein theory?

asked Sep 6, 2021 at 1:11

2 votes

0 answers

120 views

Basic confusion about interpretation of the 5th dimension in Kaluza-Klein theory

asked Aug 9, 2021 at 0:30

1 vote

1 answer

158 views

Issue calculating the scalar curvature for static, spherically symmetric spacetime

asked Sep 26, 2021 at 20:24

1 vote

0 answers

34 views

How do the EFE constrain the initial hypersurface?

asked Sep 3, 2021 at 17:26

1 vote

2 answers

105 views

Has anyone directly observed the equivalence of inertial and gravitational mass for the electromagnetic force?

asked Jan 7, 2022 at 23:16

1 vote

1 answer

219 views

Does renormalization in QFT mean averaging the field over spacetime?

asked Feb 22, 2022 at 20:00

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73 Questions

Why did Feynman say the double slit experiment "contains the only mystery" of quantum mechanics?

What's the importance of all four fundamental forces being "curvature"?

Can the postulates of path-integral QFT be stated concisely?

Which experiments confirm that the Born rule is $|\psi|^2$ rather than $|\psi|$?

Why should we expect motional emf to obey the same general relation as Faraday's Law?

Is there a connection between $\hbar$ being in the path integral and being the unit of spin? [duplicate]

Experimental evidence for the shape of a single electron's EM field?

Do test particles initially comoving with a black hole accelerate away from it?

Is there a coordinate system for the Schwarzchild spacetime where $r$ is proper length/time?

What's the big deal with interacting tachyons?

How to illustrate that the energy density of EM waves is NOT frequency dependent?

Can a single QFT field configuration be written as a set of spinor/vector valued functions?

How could the universe be spatially flat on average, if all forms of energy have positive spatial curvature?

Is the QED equation of motion for the wavefunction just the Dirac equation?

Can the Dirac equation describe the production the of electromagnetic field?

Can the $SU(3)$ gauge field be put in geometric algebra terms?

Why should dark matter and dark energy inherently require theoretical modification?

Can the QFT path integral be re-expressed using a real, positive-definite function of the action? [duplicate]

Does the Dirac equation put charge and spin on the same footing?

Why do we need a whole field of operators in QFT?

What's the correspondence between Feynman diagrams and field configurations?

How is the Dirac field classical before second quantization?

Dirac spinor as null vectors

To what extent could Huygens' principle still apply to the QFT wave-functional?

A geometric understanding of Kaluza-Klein theory?

Basic confusion about interpretation of the 5th dimension in Kaluza-Klein theory

Issue calculating the scalar curvature for static, spherically symmetric spacetime

How do the EFE constrain the initial hypersurface?

Has anyone directly observed the equivalence of inertial and gravitational mass for the electromagnetic force?

Does renormalization in QFT mean averaging the field over spacetime?