Quantum Interpretations and Foundations Forum

Post thread
Join discussion regarding the different quantum interpretations and foundations. These discussions present some unique challenges since they deal with matters for which there is not an established "right" answer.
Undergrad What is the statistical minimal interpretation?
  • · Replies 20 ·
Replies
20
Views
2K
Undergrad Nelson's Stochastic Mechanics, simple argument why interference exists?
  • · Replies 19 ·
Replies
19
Views
3K
Graduate Gravity in the Thermal Interpretation
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Does Local Measurement Affect an Entangled System?
  • · Replies 54 ·
2
Replies
54
Views
6K
Undergrad A Bold New Take on Quantum Theory
  • · Replies 25 ·
Replies
25
Views
5K
A Critique of Everett's "Many Wolds" interpretation
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Bohmian interpretation of Schrodinger's Cat
  • · Replies 11 ·
Replies
11
Views
2K
Undergrad How To Experimentally Confirm the Wigner-Von Neumann Interpretation
  • · Replies 52 ·
2
Replies
52
Views
6K
Undergrad Collapse of particle wave function and single Universe wave function?
  • · Replies 43 ·
2
Replies
43
Views
5K
Undergrad Does Schrodinger's Cat contradict itself?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Carroll's Derivation of the Born Rule in MWI with Unequal Amplitudes
  • · Replies 47 ·
2
Replies
47
Views
6K
Graduate Possibilities of Time-Independent Entangled Photons
  • · Replies 142 ·
5
Replies
142
Views
8K
Undergrad Multiverse theory -- Why don't strange things happen here sometimes?
  • · Replies 171 ·
6
Replies
171
Views
10K
Undergrad Why is there no consensus about the meaning of probability in MWI?
  • · Replies 276 ·
10
Replies
276
Views
11K
Undergrad Many-Worlds and Testable Claims
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Entangling a photon from the Sun with one from Earth
  • · Replies 0 ·
Replies
0
Views
2K
Graduate Yakir Aharonov's time-symmetric formulation of quantum mechanics
  • · Replies 7 ·
Replies
7
Views
5K
Undergrad Exploring Measurements in Quantum Field Theory: From Light Cones to Bell Tests
  • · Replies 57 ·
2
Replies
57
Views
7K
Undergrad Quantum entanglement in the MWI
  • · Replies 87 ·
3
Replies
87
Views
7K
Graduate Loophole-free test of local realism via Hardy's violation
  • · Replies 37 ·
2
Replies
37
Views
6K
Undergrad Minimal vs Instrumental vs Ensemble
  • · Replies 84 ·
3
Replies
84
Views
6K
Undergrad The Self-Decoherence of Schroedinger's Cat
  • · Replies 3 ·
Replies
3
Views
2K
Graduate MWI and the entangled photon experiment
  • · Replies 62 ·
3
Replies
62
Views
5K
Undergrad Understanding Bell Inequality Proof: Explained from a Probability Perspective
  • · Replies 44 ·
2
Replies
44
Views
6K
Undergrad The Horrifying Implications of the Many-Worlds Interpretation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Is there still a Wigner's friend paradox?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad How many worlds is Many Worlds talking about?
  • · Replies 16 ·
Replies
16
Views
3K
Undergrad Doubts regarding my interpretation of Wigner’s Friend Scenario
  • · Replies 21 ·
Replies
21
Views
3K
Undergrad Why does wave amplitude indicate particle location in QM?
  • · Replies 16 ·
Replies
16
Views
2K
Undergrad What is the true nature of worlds in the Many-Worlds Interpretation?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Many worlds interpretation with unequal probabilities
  • · Replies 41 ·
2
Replies
41
Views
6K
Graduate The Quantum State as a Function of The Quantum Field
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad Could Tim Maudlin's Views on Bell and QM Be Flawed?
  • · Replies 37 ·
2
Replies
37
Views
6K
Undergrad Do all mental states really exist in some universe in Many-Minds?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Making the wave observable in the double-slit experiment
  • · Replies 105 ·
4
Replies
105
Views
8K
Undergrad Understanding Mixed Basis States in Hilbert Space: Uses and Applications
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Can Decoherence Explain the Many Worlds Interpretation?
  • · Replies 18 ·
Replies
18
Views
3K
Undergrad Who is Ballentine and why is he important in the world of quantum mechanics?
  • · Replies 124 ·
5
Replies
124
Views
8K
Undergrad To rejuvenate the plausibility of stochastic mechanics
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Why is this interpretation of MWI wrong?
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad How Does a Photon Pass Through a Filter Without Hidden Variables?
  • · Replies 34 ·
2
Replies
34
Views
3K
Undergrad Confused by nonlocal models and relativity
  • · Replies 491 ·
17
Replies
491
Views
36K
Graduate Game theory, quantum physics and the Bell inequality (paper)
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Thermal Interpretation and Consistent Histories
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Decoherent Histories and Measurement
  • · Replies 49 ·
2
Replies
49
Views
5K
Graduate Statistical ensemble interpretation done right
  • · Replies 309 ·
11
Replies
309
Views
16K
Undergrad Quantum state of a macroscopic object?
  • · Replies 27 ·
Replies
27
Views
3K
Graduate Is Quantum Mechanics Truly Underdetermined by Evidence?
  • · Replies 22 ·
Replies
22
Views
4K
Undergrad Gleason's Theorem and the Measurement Problem
  • · Replies 52 ·
2
Replies
52
Views
4K
Roger Penrose´s OR theory, Consiousness is a QM phenomenon?
  • · Replies 26 ·
Replies
26
Views
4K
Undergrad Does Conscious Observation Influence Wave Function Collapse?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Measure of existence? (Stanford Encyclopedia of Philosophy)
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad The notion of locality in (Quantum) Physics should be clearly defined
  • · Replies 175 ·
6
Replies
175
Views
12K
Undergrad Copenhagen Interpretation vs Pilot Waves
  • · Replies 44 ·
2
Replies
44
Views
6K
Undergrad Why do we experience the Born Rule in Many Worlds?
  • · Replies 34 ·
2
Replies
34
Views
4K
Undergrad Realism in the entanglement swap experiment
  • · Replies 96 ·
4
Replies
96
Views
8K
Undergrad Multiverse theory, I dont like it...
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Interestingly Bohr Did Not Believe in Wavefunction Collapse
  • · Replies 69 ·
3
Replies
69
Views
7K
Undergrad What Defines the Standard and Realist Views in Quantum Mechanics?
  • · Replies 94 ·
4
Replies
94
Views
7K
Undergrad Spooky action at a distance not allowed?
  • · Replies 31 ·
2
Replies
31
Views
3K
Graduate Probabilistic game of life as a toy model for Everett's interpretation
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Can we change our concept of reality to better understand quantum theory?
  • · Replies 48 ·
2
Replies
48
Views
6K
Insights How Quantum Information Theory Solves “the only mystery” of Quantum Mechanics
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad An argument against super-determinism
  • · Replies 8 ·
Replies
8
Views
3K
Decoherence vs Observer Wave Function Collapse & MWI: Questions
  • · Replies 25 ·
Replies
25
Views
4K
How many branches are possible after measurement/splitting?
  • · Replies 8 ·
Replies
8
Views
2K
Graduate States & Observables: Are They Really Different?
  • · Replies 32 ·
2
Replies
32
Views
3K
Undergrad Ontology is to quantum theory what hardware is to computation theory
  • · Replies 204 ·
7
Replies
204
Views
12K
Graduate Comment on Nicolas Gisin "Intuitionistic Mathematics"?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate A stronger proof of nonlocality, or what?
  • · Replies 76 ·
3
Replies
76
Views
8K
Undergrad Thoughts about this Bayesian Mechanics paper?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Question around 'quantum object hits screen'
  • · Replies 16 ·
Replies
16
Views
2K
Undergrad What does it take to solve the measurement problem? (new paper published)
  • · Replies 199 ·
7
Replies
199
Views
14K
Undergrad Why no plane waves of macroscopic bodies? The micro-macro threshold...
  • · Replies 41 ·
2
Replies
41
Views
5K
Undergrad A Heuristic View of QM: Axioms & Gleason's Theorem
  • · Replies 15 ·
Replies
15
Views
3K
Graduate How Many Hidden Variables Would It Take to Model Photon Polarization?
  • · Replies 45 ·
2
Replies
45
Views
6K
QM Eigenstates and the Notion of Motion
  • · Replies 79 ·
3
Replies
79
Views
6K
Undergrad Single Quark at Rest: The Mystery of Dark Matter?
  • · Replies 165 ·
6
Replies
165
Views
10K
Undergrad Entanglement swapping, monogamy, and realism
  • · Replies 244 ·
9
Replies
244
Views
13K
What is the mechanism behind Quantum Entanglement?
  • · Replies 253 ·
9
Replies
253
Views
17K
Undergrad Is the Quantum Wavefunction Truly a Representation of Reality?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad De Broglie–Bohm theory scattering from point charge, paths
  • · Replies 21 ·
Replies
21
Views
3K
Undergrad Making Sense of QBism: Non-Mathematical Reality & Reforming the Theory
  • · Replies 51 ·
2
Replies
51
Views
9K
Undergrad What is the relationship between events and outcomes in quantum theories?
  • · Replies 15 ·
Replies
15
Views
3K
Undergrad What is the overarching concept of Quantum Field Theory (QFT)?
  • · Replies 14 ·
Replies
14
Views
3K
Nobody understands quantum physics?
  • · Replies 278 ·
10
Replies
278
Views
15K
Graduate Hidden Assumptions in Bell's Theorem?
  • · Replies 333 ·
12
Replies
333
Views
19K
Undergrad Can interpretation-dependent facts be derived from the axioms?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Post-Selection: Pre-existing Correlations or Action At A Distance?
  • · Replies 54 ·
2
Replies
54
Views
6K
Graduate Can the double slit experiment distinguish between QM interpretations?
  • · Replies 41 ·
2
Replies
41
Views
6K
Undergrad Nature Physics on quantum foundations
  • · Replies 460 ·
16
Replies
460
Views
26K
Insights Superdeterminism and the Mermin Device
  • · Replies 173 ·
6
Replies
173
Views
12K
Graduate Quantum Perspectivalism by D.Dieks
  • · Replies 19 ·
Replies
19
Views
2K
Graduate Ensembles in quantum field theory
  • · Replies 91 ·
4
Replies
91
Views
8K
Undergrad The collapse of a quantum state as a joint probability construction
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Is Entanglement Swapping Driven by Post-Selection or Bell State Measurement?
  • · Replies 79 ·
3
Replies
79
Views
8K
Undergrad What does delayed choice entanglement swapping require?
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Extended Wigner’s Friend Scenario and the existence of the reality
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Is QBism simply a subjective interpretation of science?
  • · Replies 9 ·
Replies
9
Views
3K
Can Special Relativity Explain the Alice and Bob Spin Measurement Paradox?
  • · Replies 49 ·
2
Replies
49
Views
5K