User isometry

16 votes

On a measurement level, is quantum mechanics a deterministic theory or a probability theory?

answered Sep 10, 2016 at 20:40

10 votes

Accepted

Can a free particle ever emit a particle?

answered Dec 31, 2018 at 14:04

8 votes

Why is there this relationship between quaternions and Pauli matrices?

answered Aug 3, 2016 at 17:17

7 votes

Accepted

Setting spinors and $SU(2)$ representations on the same patch

answered Jun 14, 2019 at 16:42

6 votes

Accepted

Uncertainty principle: for an individual particle?

answered Oct 10, 2016 at 14:45

6 votes

Does the Many Worlds interpretation of quantum mechanics necessarily imply every world exist?

answered Oct 24, 2016 at 19:27

5 votes

How can two electrons repel if it's impossible for free electrons to absorb or emit energy?

answered Dec 20, 2018 at 3:43

5 votes

If electrons are identical and indistinguishable, how can we say current is the movement of electrons?

answered Jun 4, 2020 at 20:21

5 votes

Accepted

Why is this transformation not regarded as a symmetry?

answered May 4, 2021 at 5:56

4 votes

Is Velocity Really a Vector?

answered Aug 8, 2019 at 8:48

4 votes

Does the Copenhagen interpretation say that a tree only has definite mass after I look at it?

answered Aug 30, 2016 at 17:58

3 votes

Accepted

How are Quantum Mechanical energy levels related to atom shells?

answered Nov 23, 2018 at 18:31

3 votes

Accepted

Planetary-sized pure quantum states

answered Dec 11, 2018 at 20:13

2 votes

Accepted

Relativistic change of mass and De-broglie's equation

answered Oct 4, 2018 at 18:50

2 votes

Does Von Neumann entropy fail to account for projective quantum measurements?

answered Oct 8, 2018 at 5:05

2 votes

Accepted

Symmetry in product of angular momentum operators

answered Oct 7, 2016 at 20:35

2 votes

How is it possible that a universal wave function is predicted to simulate a continuously branching timeline?

answered Sep 16, 2018 at 18:17

2 votes

photon emission by the acceleration of electrically charged particles

answered Sep 28, 2018 at 20:30

2 votes

Weyl spinor's spin direction

answered Sep 29, 2018 at 20:11

2 votes

Non-Hermitian measurement operators

answered Sep 30, 2018 at 17:57

2 votes

Is photon interference really random?

answered Oct 1, 2018 at 8:19

2 votes

How to measure angles in Minkowsky space, and how do they transform?

answered Oct 4, 2018 at 5:08

2 votes

Accepted

Randomness in quantum phenomena

answered Sep 3, 2016 at 7:05

2 votes

Accepted

Time reversal symmetry of the scale factor

answered Jul 30, 2016 at 16:02

2 votes

Is There a Limit to The Energy-density Confined to a Black-hole Structure, Consisting of a Schwarzschild Sphere?

answered Dec 31, 2018 at 12:40

1 vote

How the Lorentz algebra bracket relations change during complexification

answered May 23, 2021 at 15:56

1 vote

Stern-Gerlach apparatuses in Feynman lectures

answered Apr 25, 2021 at 7:42

1 vote

MTW Exercise 9.13. Can the tangent to a curve on the manifold $\mathcal{SO}\left(3\right)$ be a singular matrix?

answered Apr 26, 2021 at 5:26

1 vote

Prove that sign of determinant of Minkowski metric is preserved by Einstein field equations

answered Jul 31, 2016 at 17:53

1 vote

What is the program of quantum field theory? What is its derivation?

answered Jul 29, 2016 at 9:19

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48 Answers

On a measurement level, is quantum mechanics a deterministic theory or a probability theory?

Can a free particle ever emit a particle?

Why is there this relationship between quaternions and Pauli matrices?

Setting spinors and $SU(2)$ representations on the same patch

Uncertainty principle: for an individual particle?

Does the Many Worlds interpretation of quantum mechanics necessarily imply every world exist?

How can two electrons repel if it's impossible for free electrons to absorb or emit energy?

If electrons are identical and indistinguishable, how can we say current is the movement of electrons?

Why is this transformation not regarded as a symmetry?

Is Velocity Really a Vector?

Does the Copenhagen interpretation say that a tree only has definite mass after I look at it?

How are Quantum Mechanical energy levels related to atom shells?

Planetary-sized pure quantum states

Relativistic change of mass and De-broglie's equation

Does Von Neumann entropy fail to account for projective quantum measurements?

Symmetry in product of angular momentum operators

How is it possible that a universal wave function is predicted to simulate a continuously branching timeline?

photon emission by the acceleration of electrically charged particles

Weyl spinor's spin direction

Non-Hermitian measurement operators

Is photon interference really random?

How to measure angles in Minkowsky space, and how do they transform?

Randomness in quantum phenomena

Time reversal symmetry of the scale factor

Is There a Limit to The Energy-density Confined to a Black-hole Structure, Consisting of a Schwarzschild Sphere?

How the Lorentz algebra bracket relations change during complexification

Stern-Gerlach apparatuses in Feynman lectures

MTW Exercise 9.13. Can the tangent to a curve on the manifold $\mathcal{SO}\left(3\right)$ be a singular matrix?

Prove that sign of determinant of Minkowski metric is preserved by Einstein field equations

What is the program of quantum field theory? What is its derivation?