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65 Questions

Votes Activity Newest Views
 
1
vote
0
answers
35
views

What is the next higher order correction to Hooke's Law for a typical steel spring?

spring anharmonic-oscillators
Oct 30 at 14:46 user1247 6,720
 
2
votes
0
answers
62
views

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

quantum-mechanics resource-recommendations simulations education software
Aug 18 '19 at 18:55 Qmechanic♦ 143k
 
0
votes
1
answer
48
views

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

heisenberg-uncertainty-principle
Mar 26 '19 at 18:49 Andrew Steane 28.4k
1
7
votes
1
answer
117
views

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

quantum-mechanics experimental-physics schroedinger-equation education
Mar 16 '19 at 19:58 Qmechanic♦ 143k
1
5
votes
1
answer
75
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 '19 at 21:46 Ruslan 20.6k
5
9
votes
5
answers
260
views

Conceptual understanding of operators in QM

quantum-mechanics operators quantum-interpretations measurement-problem quantum-measurement
Jan 31 '19 at 12:59 Andrew Steane 28.4k
2
2
votes
1
answer
220
views

How do gravitational waves transfer momentum?

general-relativity momentum gravitational-waves
Aug 24 at 8:02 Community♦ 1
 
2
votes
1
answer
1k
views

How are iris diaphragms used in laser alignment?

optics visible-light laser
Dec 18 '19 at 5:11 Mark H 18.5k
 
1
vote
1
answer
281
views

What is the physical intuition behind the Bragg peak?

particle-physics medical-physics
Jan 31 '16 at 19:07 Floris 113k
1
2
votes
2
answers
206
views

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

quantum-mechanics born-rule
Jan 11 '16 at 0:29 Timaeus 23.7k
 
0
votes
1
answer
173
views

Why should we expect dark matter with weak scale masses?

cosmology dark-matter weak-interaction
Mar 4 '19 at 22:02 Community♦ 1
5
14
votes
1
answer
984
views

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

thermodynamics cosmology
Dec 21 at 3:17 warlock 327
 
4
votes
2
answers
542
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 23.7k
2
5
votes
3
answers
541
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
73
views

How well theoretically motivated is $R$-parity?

supersymmetry beyond-the-standard-model grand-unification
Jan 13 '15 at 20:22 Qmechanic♦ 143k
1
8
votes
2
answers
276
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 5,202
2
3
votes
0
answers
79
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♦ 143k
 
2
votes
1
answer
93
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♦ 143k
 
1
vote
2
answers
470
views

Has the idea of holeum been debunked?

black-holes dark-matter
Oct 7 '18 at 7:43 Lakhdhirji Chavda 1
 
1
vote
0
answers
127
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
135
views

Origin of cusps in simulated dark matter halos

newtonian-gravity dark-matter
Aug 26 '15 at 1:05 Community♦ 1
7
14
votes
2
answers
668
views

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

quantum-interpretations decoherence
May 21 '14 at 2:46 lurscher 13.7k
4
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 3,119
2
3
votes
0
answers
87
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 6,720
 
4
votes
2
answers
1k
views

Are string theories gauge theories?

string-theory gauge-theory
Aug 3 '16 at 17:56 sam 1,433
8
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
6
7
votes
1
answer
746
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
627
views

Dark matter and QFT

quantum-field-theory dark-matter
Feb 25 '13 at 13:02 Dilaton 8,899
3
5
votes
3
answers
556
views

Ontology of the quantum field

quantum-field-theory quantum-interpretations quantum-electrodynamics
Jan 4 '19 at 14:03 Bob Knighton 7,616
6
10
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 6,720
1
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