User stupidity - Physics Stack Exchange

bio	website
	location
	age
visits	member for	1 year, 9 months
	seen	5 hours ago
stats	profile views	86

	577 reputation	bio	website		visits	member for	1 year, 9 months
210 badges		location			seen	5 hours ago

2

3

votes

3

answers

935

views

are particles “knots” or “kinks” of excitation in a field?

quantum-field-theory particles

jan 15 '11 at 19:31 Rafael 1,274

3

votes

2

answers

540

views

About Susskind's claim “information is indestructible”

apr 20 at 11:02 Gugg 2,132

2

3

votes

6

answers

372

views

Is quantum entanglement an objective or subjective property?

quantum-mechanics quantum-interpretations entanglement

oct 4 at 4:07 user12103 107

1

3

votes

3

answers

392

views

$\hbar$, the angular momentum and the action

quantum-mechanics angular-momentum units action

may 25 '12 at 12:56 Qmechanic♦ 17.2k

2

3

votes

1

answer

203

views

Naive question about massive spin 2 particles and QFT

quantum-field-theory

may 15 '12 at 18:54 John Rennie 44k

6

3

votes

1

answer

711

views

How do I construct the $SU(2)$ representation of the Lorentz Group using $SU(2)\times SU(2)\sim SO(3,1)$ ?

quantum-field-theory homework group-theory group-representations

may 21 '12 at 22:06 Qmechanic♦ 17.2k

5

3

votes

3

answers

331

views

Proof of existence of lowest temperature $0 K$

thermodynamics temperature solid-state-physics

jun 4 '12 at 16:43 Frédéric Grosshans 5,370

3

votes

2

answers

325

views

The Faddeev-Popov Lagrangian

quantum-field-theory gauge-theory lagrangian-formalism yang-mills

may 21 '12 at 16:50 Luboš Motl 67.7k

1

3

votes

2

answers

214

views

What is the single particle Hilbert space?

quantum-mechanics

jun 25 at 19:03 Arnold Neumaier 13.9k

1

3

votes

4

answers

924

views

How can I explain why the weak nuclear interaction between individual nucleons is 'weak'?

particle-physics homework interactions

jun 23 at 16:49 Bernard 1

1

3

votes

1

answer

162

views

Why is there a phase factor when the two composite angular momentum is exchanged in Clebsch–Gordan coefficients

quantum-mechanics angular-momentum group-representations

jun 25 at 20:49 Community♦ 1

2

3

votes

2

answers

275

views

Fractals in physics. Suggest book titles

mathematical-physics reference-request books big-list chaos-theory

jun 15 '12 at 14:42 becko 735

3

votes

2

answers

349

views

Lorentz invariance of the 3 + 1 decomposition of spacetime

general-relativity symmetry differential-geometry hamiltonian-formalism

apr 15 at 16:42 Alex Nelson 812

5

3

votes

1

answer

124

views

Straightforward questions about calculating SUSY F-terms

quantum-field-theory particle-physics supersymmetry theory

apr 12 at 5:38 gn0m0n 58

2

3

votes

2

answers

404

views

What is the ontological status of Faddeev Popov ghosts?

quantum-field-theory symmetry gauge-theory brst ghosts

may 9 at 2:05 Community♦ 1

3

votes

1

answer

277

views

Ghosts in Pauli Villars Regularization

quantum-field-theory

aug 8 at 23:01 drake 1,316

2

3

votes

2

answers

93

views

What exactly is the weak portion of the SM gauge group?

standard-model gauge-theory

aug 25 at 1:53 Ron Maimon 44.8k

4

3

votes

2

answers

453

views

Classical Limit of the Feynman Path Integral

quantum-mechanics classical-mechanics

aug 13 at 10:25 Fika 1

3

votes

0

answers

269

views

On the naturalness problem

quantum-field-theory particle-physics standard-model fine-tuning

jul 18 at 1:32 drake 1,316

4

3

votes

2

answers

878

views

How to deduce the theorem of addition of velocities?

special-relativity relativity velocity relative-motion

may 4 '12 at 4:03 Ron Maimon 44.8k

3

votes

2

answers

580

views

Principal value integral

mathematical-physics integration

jul 10 at 9:50 Qmechanic♦ 17.2k

1

3

votes

2

answers

184

views

Why is the “canonical momentum” for the Dirac equation not defined in terms of the “gauge covariant derivative”?

momentum gauge-invariance covariance

dec 3 at 20:19 user10001 689

1

3

votes

1

answer

117

views

Will Randall-Sundrum extra dimension scenario become defunct if not supported by LHC?

particle-physics quantum-gravity large-hadron-collider

dec 3 at 19:52 Luboš Motl 67.7k

2

3

votes

4

answers

379

views

Physical meaning of action in Lagrangian mechanics

lagrangian-formalism action

oct 18 at 17:46 Qmechanic♦ 17.2k

3

votes

1

answer

99

views

Does black hole evaporation respect quantum superpositions?

black-holes

dec 25 at 10:58 WIMP 768

2

3

votes

2

answers

183

views

Coherent State, Unitary Operators, Harmonic Oscillator

quantum-mechanics homework operators

may 9 at 19:11 Qmechanic♦ 17.2k

1

2

votes

1

answer

84

views

Calculating the (on-shell) action of a free particle

homework lagrangian-formalism action

feb 3 at 14:01 Qmechanic♦ 17.2k

1

2

votes

1

answer

217

views

Is there a relation between quantum theory and Fourier analysis?

quantum-mechanics fourier-transform

jan 12 at 21:51 Bzazz 639

1

2

votes

1

answer

74

views

A problem with supersymmetry transformation invariance

quantum-field-theory supersymmetry

nov 25 at 17:35 QuantumDot 1,274

3

2

votes

3

answers

835

views

Expressing a unitary operator in terms of a Hermitian operator

quantum-mechanics

mar 12 at 21:24 AlexandreH 11

stupidity

182 Favorites