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12 votes

5 answers

2k views

Why quantum entanglement for a non-local object needs explanation?

asked Aug 28, 2023 at 15:27

4 votes

0 answers

294 views

How to derive connection Lie algebra valued one-form on the frame bundle if given the pulled back of it on the physical space?

asked Feb 23, 2023 at 19:25

4 votes

1 answer

382 views

Adjoint representation and spinor field valued in the Lie algebra

asked Nov 24, 2020 at 8:58

3 votes

1 answer

278 views

Can we just use the uncertainty principle to explain something from nothing? [closed]

asked Jan 21, 2023 at 16:50

3 votes

1 answer

148 views

Clarification on Representing Distances and Trajectories in Minkowski Spacetime

asked Apr 8 at 17:54

2 votes

0 answers

45 views

Is density perturbation in the past a contradition with the present homogeneous density?

asked Jan 24, 2023 at 19:29

2 votes

1 answer

191 views

Can we infer Hawking radiation assuming the Unruh effect?

asked Jul 31, 2023 at 4:04

1 vote

0 answers

128 views

Can real particles be created from a false vacuum spontaneously through decay?

asked Aug 12, 2023 at 20:56

1 vote

0 answers

224 views

Are intermediate states just mathematical constructs?

asked Aug 20, 2023 at 19:31

1 vote

1 answer

71 views

Small and large extra dimension(s) of the physical space

asked Jan 26, 2023 at 17:00

1 vote

1 answer

138 views

How to rule out that the speed of light was different in the past?

asked Jan 27, 2023 at 23:21

1 vote

1 answer

180 views

Are there two different adjoint representations used in the SM?

asked Nov 24, 2020 at 10:06

1 vote

0 answers

78 views

Which geometry does not allow the existence of matter?

asked Jun 27, 2018 at 7:26

1 vote

0 answers

193 views

Gauge invariance in GR perturbation theory

asked Feb 15, 2019 at 11:59

1 vote

0 answers

109 views

Isn't mass from pure topology in the absence of matter a contradiction?

asked Mar 20, 2019 at 18:58

1 vote

0 answers

257 views

Propagator from a spacetime point to itself and physical interpretation of vacuum

asked Nov 15, 2020 at 16:07

1 vote

1 answer

93 views

Cosmological Constant Problem calculations involving energy densities

asked Aug 28, 2023 at 23:30

1 vote

0 answers

96 views

Why vacuum state is an exception from the general rule of quantum theory?

asked Sep 4, 2023 at 13:56

1 vote

1 answer

94 views

The content of early universe and max limit on the number of particles

asked May 1, 2023 at 11:27

1 vote

0 answers

72 views

What is the state of matter-energy inside Black Holes? [closed]

asked Aug 25, 2023 at 8:01

0 votes

2 answers

83 views

Is the 2-sphere always useful for intuition and visualized learning in cosmology?

asked Aug 25, 2023 at 22:04

0 votes

0 answers

90 views

Geometrically Impossible Spacetime

asked Aug 26, 2023 at 14:30

0 votes

2 answers

108 views

Could Space and Time Be Decoupled Pre- Big Bang?

asked Jun 3 at 13:57

0 votes

1 answer

39 views

System boundary for two electrons that obey exclusion principle

asked Jan 8, 2022 at 17:17

0 votes

1 answer

142 views

Is there vacuum state in a radiation filled universe?

asked Jan 20, 2022 at 13:39

-1 votes

1 answer

144 views

Geometric Construction of Minkowski Space and Proper Time

asked Apr 22 at 17:31

-2 votes

1 answer

269 views

Are Feynman Diagrams Concealing the True Nature of Particle Scattering? [closed]

asked Aug 21, 2023 at 10:22

Stack Exchange Network

27 Questions

Why quantum entanglement for a non-local object needs explanation?

How to derive connection Lie algebra valued one-form on the frame bundle if given the pulled back of it on the physical space?

Adjoint representation and spinor field valued in the Lie algebra

Can we just use the uncertainty principle to explain something from nothing? [closed]

Clarification on Representing Distances and Trajectories in Minkowski Spacetime

Is density perturbation in the past a contradition with the present homogeneous density?

Can we infer Hawking radiation assuming the Unruh effect?

Can real particles be created from a false vacuum spontaneously through decay?

Are intermediate states just mathematical constructs?

Small and large extra dimension(s) of the physical space

How to rule out that the speed of light was different in the past?

Are there two different adjoint representations used in the SM?

Which geometry does not allow the existence of matter?

Gauge invariance in GR perturbation theory

Isn't mass from pure topology in the absence of matter a contradiction?

Propagator from a spacetime point to itself and physical interpretation of vacuum

Cosmological Constant Problem calculations involving energy densities

Why vacuum state is an exception from the general rule of quantum theory?

The content of early universe and max limit on the number of particles

What is the state of matter-energy inside Black Holes? [closed]

Is the 2-sphere always useful for intuition and visualized learning in cosmology?

Geometrically Impossible Spacetime

Could Space and Time Be Decoupled Pre- Big Bang?

System boundary for two electrons that obey exclusion principle

Is there vacuum state in a radiation filled universe?

Geometric Construction of Minkowski Space and Proper Time

Are Feynman Diagrams Concealing the True Nature of Particle Scattering? [closed]