User user1247

1

vote

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answers

34

views

Is there a “standard” quantum simulator/animator for pedagogy?

15h ago Qmechanic♦ 112k

0

votes

1

answer

38

views

Why doesn't detecting a photon's position after passing through a narrow slit violate HUP?

heisenberg-uncertainty-principle

Mar 26 at 18:49 Andrew Steane 9,886

1

6

votes

1

answer

79

views

Experimental tests of Schrodinger evolution, position distribution, in square well and other simple systems?

quantum-mechanics experimental-physics schroedinger-equation education

Mar 16 at 19:58 Qmechanic♦ 112k

1

3

votes

1

answer

34

views

How in experimental practice does a momentum measurement reduce a state to a momentum eigenfunction?

quantum-mechanics heisenberg-uncertainty-principle quantum-measurement

Feb 20 at 21:46 Ruslan 10.4k

5

9

votes

5

answers

227

views

Conceptual understanding of operators in QM

quantum-mechanics operators quantum-interpretations measurement-problem quantum-measurement

Jan 31 at 12:59 Andrew Steane 9,886

2

votes

1

answer

170

views

How do gravitational waves transfer momentum?

general-relativity momentum gravitational-waves

Aug 15 at 3:03 Community♦ 1

2

votes

1

answer

850

views

How are iris diaphragms used in laser alignment?

optics laser

Jun 21 '16 at 11:25 Mark H 14k

1

vote

1

answer

218

views

What is the physical intuition behind the Bragg peak?

particle-physics medical-physics

Jan 31 '16 at 19:07 Floris 109k

1

2

votes

2

answers

194

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Confusion about quantum probabilities depending on how coarsely grained the measurement apparatus is

quantum-mechanics born-rule

Jan 11 '16 at 0:29 Timaeus 22.1k

0

votes

1

answer

143

views

Why should we expect dark matter with weak scale masses?

cosmology dark-matter weak-interaction

Mar 4 at 22:02 Community♦ 1

5

14

votes

2

answers

769

views

Is the Boltzmann brain problem really clearly established as a problem?

thermodynamics cosmology

Mar 16 '18 at 4:14 Community♦ 1

4

votes

2

answers

474

views

How to use the Born rule to find the expected outcome of this simple Stern-Gerlach experiment [closed]

quantum-mechanics homework-and-exercises born-rule

Mar 14 '15 at 5:40 Timaeus 22.1k

2

5

votes

3

answers

493

views

Looking for a simple example of generating unequal probabilities in QM

quantum-mechanics measurement-problem

Apr 8 '15 at 4:15 Community♦ 1

2

votes

0

answers

68

views

How well theoretically motivated is $R$-parity?

supersymmetry beyond-the-standard-model grand-unification

Jan 13 '15 at 20:22 Qmechanic♦ 112k

1

8

votes

2

answers

269

views

Can a superpartner be less massive than its SM counterpart?

particle-physics mass supersymmetry symmetry-breaking supersymmetric-particles

Jul 9 '16 at 19:16 Bosoneando 4,922

2

3

votes

0

answers

75

views

What is the derivation of the speed of light $c$ that is not based on electromagnetism? [duplicate]

electromagnetism quantum-field-theory special-relativity speed-of-light

Aug 15 '14 at 0:03 Qmechanic♦ 112k

2

votes

1

answer

86

views

If QFT is a sum over 1-D topologies and String Theory over 2-D topologies, what is the corresponding theory for N-D topologies?

string-theory spacetime-dimensions branes

Jun 13 '14 at 16:55 Qmechanic♦ 112k

1

vote

2

answers

384

views

Has the idea of holeum been debunked?

black-holes dark-matter

Oct 7 at 7:43 Lakhdhirji Chavda 1

1

vote

0

answers

117

views

Can or does the Casimir effect play a role in solving the electron self-energy problem?

quantum-electrodynamics casimir-effect

Mar 17 '14 at 21:52 Community♦ 1

2

votes

2

answers

134

views

Origin of cusps in simulated dark matter halos

newtonian-gravity dark-matter

Aug 26 '15 at 1:05 Community♦ 1

7

13

votes

2

answers

619

views

Are quantum decoherence and Everettian approaches to the measurement problem necessarily distinct?

quantum-interpretations decoherence

May 21 '14 at 2:46 lurscher 8,162

3

8

votes

4

answers

2k

views

Interference and which-path information

quantum-mechanics quantum-entanglement double-slit-experiment

Apr 24 '13 at 17:37 Jess Riedel 1,953

2

3

votes

0

answers

86

views

Does the ensemble of effective Lagrangians in the String theory landscape mostly include gauge theories?

string-theory gauge-theory 1pi-effective-action string-theory-landscape

Mar 26 '13 at 8:49 user1247 3,780

1

vote

2

answers

1k

views

Are string theories gauge theories?

string-theory gauge-theory

Aug 3 '16 at 17:56 AMS 1,264

6

10

votes

2

answers

2k

views

Why is color conserved in QCD?

quantum-field-theory gauge-theory quantum-chromodynamics noethers-theorem color-charge

Jan 4 '17 at 10:03 Hoody 51

4

6

votes

1

answer

642

views

Weak isospin and types of weak charge

standard-model gauge-theory quantum-chromodynamics weak-interaction electroweak

Feb 3 '17 at 18:00 Community♦ 1

1

3

votes

2

answers

552

views

Dark matter and QFT

quantum-field-theory dark-matter

Feb 25 '13 at 13:02 Dilaton 5,423

2

4

votes

3

answers

503

views

Ontology of the quantum field

quantum-field-theory quantum-interpretations quantum-electrodynamics

Jan 4 at 14:03 Bob Knighton 6,569

4

7

votes

2

answers

2k

views

EPR-type experiments and faster-than-light communication using interference effects as signaling mechanism

quantum-mechanics quantum-interpretations quantum-entanglement faster-than-light epr-experiment

Oct 16 '13 at 21:31 user1247 3,780

1

3

votes

3

answers

676

views

Equivalence between QFT and many-particle QM

quantum-mechanics quantum-field-theory

Feb 24 '13 at 18:27 Thomas 1

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64 Questions

Is there a “standard” quantum simulator/animator for pedagogy?

Why doesn't detecting a photon's position after passing through a narrow slit violate HUP?

Experimental tests of Schrodinger evolution, position distribution, in square well and other simple systems?

How in experimental practice does a momentum measurement reduce a state to a momentum eigenfunction?

Conceptual understanding of operators in QM

How do gravitational waves transfer momentum?

How are iris diaphragms used in laser alignment?

What is the physical intuition behind the Bragg peak?

Confusion about quantum probabilities depending on how coarsely grained the measurement apparatus is

Why should we expect dark matter with weak scale masses?

Is the Boltzmann brain problem really clearly established as a problem?

How to use the Born rule to find the expected outcome of this simple Stern-Gerlach experiment [closed]

Looking for a simple example of generating unequal probabilities in QM

How well theoretically motivated is $R$-parity?

Can a superpartner be less massive than its SM counterpart?

What is the derivation of the speed of light $c$ that is not based on electromagnetism? [duplicate]

If QFT is a sum over 1-D topologies and String Theory over 2-D topologies, what is the corresponding theory for N-D topologies?

Has the idea of holeum been debunked?

Can or does the Casimir effect play a role in solving the electron self-energy problem?

Origin of cusps in simulated dark matter halos

Are quantum decoherence and Everettian approaches to the measurement problem necessarily distinct?

Interference and which-path information

Does the ensemble of effective Lagrangians in the String theory landscape mostly include gauge theories?

Are string theories gauge theories?

Why is color conserved in QCD?

Weak isospin and types of weak charge

Dark matter and QFT

Ontology of the quantum field

EPR-type experiments and faster-than-light communication using interference effects as signaling mechanism

Equivalence between QFT and many-particle QM