User Tarik

5 votes

Derivation of the Klein-Gordon equation

answered Jun 5, 2023 at 0:37

3 votes

Accepted

Hyperfine structure

answered May 27, 2023 at 12:19

2 votes

What is the conservation law associated with isotropy of time?

answered May 22, 2023 at 21:05

1 vote

Uniqueness of Dirac matrices

answered Sep 26, 2023 at 23:53

1 vote

Naive first-quantization of the Dirac field?

answered May 30, 2023 at 13:26

1 vote

Confussion of meaning of free electron solution to Dirac equation

answered Apr 1, 2023 at 9:38

1 vote

How does the second postulate of special relativity imply invariance of spacetime interval?

answered May 21, 2023 at 17:12

1 vote

Accepted

When do Hamilton's equation and Heisenberg equation give different solutions?

answered May 21, 2023 at 22:09

0 votes

Length contraction

answered May 22, 2023 at 15:10

0 votes

Accepted

Non-relativistic limit of the Dirac equation with electromagnetic potentials

answered Apr 3, 2023 at 20:26

0 votes

Why is a combination of stationary states not stationary, given the actual probability does seem to be so?

answered Jun 4, 2023 at 13:11

0 votes

In an elastic collision, is conservation of energy and momentum enough to define the behavior of a system?

answered Jun 4, 2023 at 13:30

0 votes

Is there a quantum mechanical analog to classical rheonomic constraints wherein the Hamiltonian is not the total energy?

answered Dec 27, 2023 at 15:46

0 votes

Particle in a box in the momentum representation

answered Dec 27, 2023 at 16:00

0 votes

Free particle in Quantum mechanics

answered Dec 27, 2023 at 16:14

0 votes

Can we show how EM fields transform in different frames?

answered May 25, 2023 at 16:51

0 votes

Accepted

Prove that the derivative of the relativistic angular momentum is the relativistic torque

answered Jul 27, 2023 at 15:17

0 votes

Derivation of momentum operator from kinetic energy operator

answered Jan 31, 2023 at 8:10

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18 Answers

Derivation of the Klein-Gordon equation

Hyperfine structure

What is the conservation law associated with isotropy of time?

Uniqueness of Dirac matrices

Naive first-quantization of the Dirac field?

Confussion of meaning of free electron solution to Dirac equation

How does the second postulate of special relativity imply invariance of spacetime interval?

When do Hamilton's equation and Heisenberg equation give different solutions?

Length contraction

Non-relativistic limit of the Dirac equation with electromagnetic potentials

Why is a combination of stationary states not stationary, given the actual probability does seem to be so?

In an elastic collision, is conservation of energy and momentum enough to define the behavior of a system?

Is there a quantum mechanical analog to classical rheonomic constraints wherein the Hamiltonian is not the total energy?

Particle in a box in the momentum representation

Free particle in Quantum mechanics

Can we show how EM fields transform in different frames?

Prove that the derivative of the relativistic angular momentum is the relativistic torque

Derivation of momentum operator from kinetic energy operator