User twisted manifold

3 votes

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Theory of General relativity — not renormalizable

answered Jan 28, 2020 at 22:39

3 votes

Travelling to the future while seemingly standing still?

answered Feb 22, 2020 at 23:18

2 votes

Limit of $d\rightarrow 4$ of a function in Peskin & Schroeder

answered Feb 21, 2022 at 9:23

2 votes

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Propagator proof

answered Dec 19, 2019 at 20:31

1 vote

QFT Complex scalar field and commutators

answered Dec 25, 2019 at 17:50

1 vote

If F(action) =F(reaction), why doesn't a ball bounce to its original height?

answered Apr 22, 2019 at 14:43

1 vote

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Transition Amplitude in Free Field Theory

answered Jan 14, 2020 at 23:09

1 vote

Calculating the symmetry factor of the sunset Feynman diagram

answered Jan 15, 2020 at 0:22

1 vote

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Adjoint representation of $SU(2)$

answered Dec 12, 2019 at 22:23

1 vote

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Conserved quantities in supersymmetric theory

answered Apr 22, 2020 at 5:44

1 vote

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Parity Invariance Complex Scalar Field Lagrangian

answered Jan 16, 2020 at 1:10

0 votes

Early Universe Flatness Problem

answered Jan 16, 2020 at 15:01

0 votes

Operators and physical quantities

answered Jan 24, 2020 at 20:21

0 votes

Is coldness a form of energy? If it is then is there any source of it?

answered Jan 29, 2020 at 17:10

0 votes

In a vacuum is there a way of converting the gravitational potential energy between two objects into electrical energy?

answered Jan 15, 2020 at 17:41

0 votes

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Commutation of alpha dirac matrix

answered May 23, 2019 at 15:40

0 votes

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How could a relation of the form $t=-i\tau$ hold with both $t$ and $\tau$ being real?

answered Jan 12, 2020 at 19:33

0 votes

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How gravity time dilation affect radio wave communication?

answered Jan 13, 2020 at 21:55

Stack Exchange Network

18 Answers

Theory of General relativity — not renormalizable

Travelling to the future while seemingly standing still?

Limit of $d\rightarrow 4$ of a function in Peskin & Schroeder

Propagator proof

QFT Complex scalar field and commutators

If F(action) =F(reaction), why doesn't a ball bounce to its original height?

Transition Amplitude in Free Field Theory

Calculating the symmetry factor of the sunset Feynman diagram

Adjoint representation of $SU(2)$

Conserved quantities in supersymmetric theory

Parity Invariance Complex Scalar Field Lagrangian

Early Universe Flatness Problem

Operators and physical quantities

Is coldness a form of energy? If it is then is there any source of it?

In a vacuum is there a way of converting the gravitational potential energy between two objects into electrical energy?

Commutation of alpha dirac matrix

How could a relation of the form $t=-i\tau$ hold with both $t$ and $\tau$ being real?

How gravity time dilation affect radio wave communication?