User SvenForkbeard

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Why do we still use pseudo forces?

answered Mar 25, 2023 at 8:48

7 votes

Why has it been so hard to come up with testable predictions for string theory?

answered Jul 23, 2023 at 12:14

4 votes

Is it possible to have a non-uniform electric field such that $\nabla\cdot\vec{E}=0$?

answered Mar 27, 2023 at 22:24

3 votes

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Principle of general covariance follows from principle of equivalence?

answered Mar 30, 2023 at 17:15

2 votes

Physical interpretation of the bra-ket notation

answered Jul 5, 2023 at 21:06

2 votes

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Momentum maps and supersymmetry

answered Jul 14, 2023 at 23:47

2 votes

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Where does the four-vector potential $A^\mu$ originate?

answered May 2 at 22:20

2 votes

Solutions to Maxwell's equations with $dF=0$ but $F \neq dA$ -- can the new solutions be summarized by considering only the vacuum equations?

answered May 6 at 0:22

1 vote

Symmetries in QFT preserving only combination of action and measure

answered Mar 1, 2020 at 10:29

1 vote

Relationship of variation of the metric and its inverse

answered Mar 26, 2023 at 9:04

1 vote

Maxwell's equations on curved space time from principle of equivalence

answered Mar 31, 2023 at 21:14

1 vote

How do I make spacetime diagram consistent with length contraction?

answered Apr 8, 2023 at 18:28

1 vote

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Can I say Axioms of Quantum Mechanics instead of Postulates?

answered May 6, 2023 at 9:00

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13 Answers

Why do we still use pseudo forces?

Why has it been so hard to come up with testable predictions for string theory?

Is it possible to have a non-uniform electric field such that $\nabla\cdot\vec{E}=0$?

Principle of general covariance follows from principle of equivalence?

Physical interpretation of the bra-ket notation

Momentum maps and supersymmetry

Where does the four-vector potential $A^\mu$ originate?

Solutions to Maxwell's equations with $dF=0$ but $F \neq dA$ -- can the new solutions be summarized by considering only the vacuum equations?

Symmetries in QFT preserving only combination of action and measure

Relationship of variation of the metric and its inverse

Maxwell's equations on curved space time from principle of equivalence

How do I make spacetime diagram consistent with length contraction?

Can I say Axioms of Quantum Mechanics instead of Postulates?