User 2000mg Haigo

6 votes

4 answers

862 views

Exact time evolution of Stern-Gerlach (SG) apparatus

asked Jan 14 at 17:07

4 votes

0 answers

48 views

Is an electron a topological defect? [duplicate]

asked Dec 16, 2021 at 9:38

3 votes

0 answers

102 views

Homotopy group of $[SU(2) \times U(1)] / U(1)$ dependent on embedding of $U(1)$?

asked Dec 16, 2021 at 10:32

2 votes

2 answers

124 views

Extending Wigner's Classification with Gauge Symmetry

asked May 12, 2022 at 2:05

2 votes

0 answers

82 views

Path integral in Lattice gauge theory with fixed gauge really the same as without fixing the gauge?

asked Jul 18, 2022 at 19:53

2 votes

1 answer

142 views

Quantum Mechanics of a rigid body that has only finitely many possible axes of rotation

asked Jul 23, 2022 at 14:06

2 votes

1 answer

219 views

When does an operator in Quantum Mechanics have a discrete spectrum? [duplicate]

asked Jul 23, 2022 at 23:22

1 vote

1 answer

72 views

Wick rotation of contravariant vector field holomorphic?

asked Jul 26, 2022 at 0:36

1 vote

1 answer

123 views

Why does the Lagrangian have $O(4)$ symmetry after Wick rotating (previously Lorentz symmetry)?

asked Jul 26, 2022 at 11:20

1 vote

0 answers

31 views

Helicity conservation during nuclear resonance in Goldhaber Experiment

asked Jun 20, 2022 at 17:51

1 vote

0 answers

65 views

More rigorous explanation as to why $G/H = G'/H'$ for vacuum manifolds?

asked Dec 17, 2021 at 3:28

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11 Questions

Exact time evolution of Stern-Gerlach (SG) apparatus

Is an electron a topological defect? [duplicate]

Homotopy group of $[SU(2) \times U(1)] / U(1)$ dependent on embedding of $U(1)$?

Extending Wigner's Classification with Gauge Symmetry

Path integral in Lattice gauge theory with fixed gauge really the same as without fixing the gauge?

Quantum Mechanics of a rigid body that has only finitely many possible axes of rotation

When does an operator in Quantum Mechanics have a discrete spectrum? [duplicate]

Wick rotation of contravariant vector field holomorphic?

Why does the Lagrangian have $O(4)$ symmetry after Wick rotating (previously Lorentz symmetry)?

Helicity conservation during nuclear resonance in Goldhaber Experiment

More rigorous explanation as to why $G/H = G'/H'$ for vacuum manifolds?