User M.N.Raia - Physics Stack Exchange

M.N.Raia

Member for 7 years, 5 months
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São Paulo, Brazil

14 Answers

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15 votes

Is the "spacetime" the same thing as the mathematical 4th dimension?

answered Sep 24, 2019 at 17:48

10 votes

What is spacetime?

answered Oct 28, 2019 at 22:25

6 votes

0-rank tensor vs vector in 1D

answered Mar 30, 2019 at 23:17

2 votes

Entanglement in quantum physics

answered Jan 30, 2019 at 10:42

2 votes

Angular Momentum vs Moment of Inertia

answered Jul 28, 2019 at 21:50

1 vote

Doubt on Newman-Janis algorithm for a traversable Wormhole

answered Oct 28, 2020 at 20:51

1 vote

Accepted

What is time-like path in GR?

answered Feb 13, 2019 at 8:51

1 vote

Time derivative of the Lagrangian

answered Oct 24, 2019 at 15:45

1 vote

Is it correct to sum over either index of the metric the same way?

answered Oct 26, 2019 at 17:53

1 vote

Lorentz boost tensor notation confusion

answered Jul 3, 2019 at 15:25

0 votes

Question about literature of Alcubierre's drive

answered Apr 9, 2018 at 3:16

0 votes

Physically acceptable energy-momentum tensor

answered Apr 11, 2019 at 11:21

0 votes

Accepted

Do Bianchi identities hold in all coordinates?

answered May 11, 2019 at 17:02

0 votes

Could Ellis Wormholes be used for Interstellar Travel?

answered Apr 7, 2020 at 8:35