Quantum Interpretations and Foundations Forum

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.

Threads

Undergrad Local mechanism for nonlocal anticorrelations inside spin theory

  • iste
  • · Replies 74 ·
3
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74

Graduate Tumulka on Bohmian QED

  • A. Neumaier
  • · Replies 39 ·
2
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39

Undergrad Energy in Everett's Many-worlds Interpretation

  • jxcs
  • · Replies 7 ·
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7

Undergrad Reeh-Schlieder theorem : what's the matter with the Taj Mahal?

  • Husserliana97
  • · Replies 25 ·
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25

Undergrad Entanglement in QM interpretations

  • selfsimilar
  • · Replies 17 ·
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17

Undergrad Vacuum entanglement: between what and what, exactly?

  • Husserliana97
  • · Replies 5 ·
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5

Undergrad Bohmian Prediction of Bell Inequality Violations

  • Amadeo
  • · Replies 45 ·
2
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45

Undergrad Can I take the transactional interpretation seriously?

  • gentzen
  • · Replies 4 ·
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4

Graduate Papers on Splitting single particles

  • Quant
  • · Replies 10 ·
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10

Undergrad Wave function collapse in the early Universe

  • Bouncer
  • · Replies 2 ·
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2

Graduate Does wave function splitting in MWI extend beyond Bob's light cone?

  • jrfuca99
  • · Replies 1 ·
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1

Undergrad Would the state collapse when quantum entanglement is being observed?

  • particleinmc
  • · Replies 5 ·
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5

Undergrad Are there asymptotic QFT/QED states in a constant magnetic field?

  • gentzen
  • · Replies 5 ·
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5

Graduate Why is the "conscious observer" thing considered?

  • Sayestu
  • · Replies 10 ·
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10

Undergrad Bell violations + perfect correlations via conservative Brownian motion

  • iste
  • · Replies 31 ·
2
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31

Undergrad Radioactivity in quantum physics

  • Kairos
  • · Replies 13 ·
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13

Undergrad MWI as applied to measurement of spin 1/2 entangled particle pair

  • cianfa72
  • · Replies 25 ·
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25

Graduate Teaching ideal quantum measurement, from dynamics to interpretation

  • A. Neumaier
  • · Replies 7 ·
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7

Undergrad Can the "measurement problem" just be an "epistemological ambiguity"?

  • lawrencepatriarca
  • · Replies 15 ·
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15

Undergrad What is the mathematical expression of the process of the wave functions collapsing?

  • george1962
  • · Replies 7 ·
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7

Graduate Resolution of the Frauchiger-Renner paradox

  • Demystifier
  • · Replies 37 ·
2
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37

Graduate Is the QT "no-cloning theorem" suitable as "Chronological Protection"?

  • Tommolo
  • · Replies 6 ·
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6

Undergrad What exactly does quantum immortality convey?

  • KleinMoretti
  • · Replies 13 ·
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13

Undergrad Are there any accepted relativistic interpretations of quantum mechanics?

  • pines-demon
  • · Replies 45 ·
2
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45

Graduate Feynman rules for Entangled photons

  • Quant
  • · Replies 31 ·
2
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31

Graduate Double slit experiment using entangled photons

  • a1call
  • · Replies 10 ·
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10

Undergrad Wave function collapse

  • quantum philosopher
  • · Replies 11 ·
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11

Undergrad Missed analytical opportunities in Bohmian mechanics

  • gentzen
  • · Replies 376 ·
13
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376
  • Poll Poll

Undergrad Is QM generally believed to be able to describe Newtonian mechanics?

  • Pony
  • · Replies 10 ·
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10

Undergrad Asymmetric beam splitter to test standard QM versus Bohm

  • Ben-tanglement
  • · Replies 15 ·
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15

Undergrad What is the statistical minimal interpretation?

  • pines-demon
  • · Replies 20 ·
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20

Undergrad Nelson's Stochastic Mechanics, simple argument why interference exists?

  • Spinnor
  • · Replies 19 ·
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19

Graduate Gravity in the Thermal Interpretation

  • PeterDonis
  • · Replies 1 ·
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1

Undergrad How Does Local Measurement Affect an Entangled System?

  • nojustay
  • · Replies 54 ·
2
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54

Undergrad A Bold New Take on Quantum Theory

  • bhobba
  • · Replies 25 ·
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25

Graduate A Critique of Everett's "Many Wolds" interpretation

  • GaloisGroup
  • · Replies 4 ·
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4

Undergrad Bohmian interpretation of Schrodinger's Cat

  • sillyputty
  • · Replies 11 ·
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11

Undergrad How To Experimentally Confirm the Wigner-Von Neumann Interpretation

  • ChadGPT
  • · Replies 52 ·
2
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52

Undergrad Collapse of particle wave function and single Universe wave function?

  • yapi
  • · Replies 43 ·
2
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43

Undergrad Does Schrodinger's Cat contradict itself?

  • SamuelCunningham3456
  • · Replies 4 ·
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4

Undergrad Carroll's Derivation of the Born Rule in MWI with Unequal Amplitudes

  • jbergman
  • · Replies 47 ·
2
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47

Graduate Possibilities of Time-Independent Entangled Photons

  • DrChinese
  • · Replies 142 ·
5
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142

Undergrad Multiverse theory -- Why don't strange things happen here sometimes?

  • rolnor
  • · Replies 171 ·
6
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171

Undergrad Why is there no consensus about the meaning of probability in MWI?

  • kered rettop
  • · Replies 276 ·
10
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276

Undergrad Many-Worlds and Testable Claims

  • bzcle316
  • · Replies 1 ·
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1

Graduate Entangling a photon from the Sun with one from Earth

  • DrChinese
  • · Replies 0 ·
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0

Graduate Yakir Aharonov's time-symmetric formulation of quantum mechanics

  • gentzen
  • · Replies 7 ·
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7

Undergrad How does measurement work in quantum field theory and in Bell tests?

  • Delta Kilo
  • · Replies 57 ·
2
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57

Undergrad Quantum entanglement in the MWI

  • Sayestu
  • · Replies 87 ·
3
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87

Graduate Loophole-free test of local realism via Hardy's violation

  • DrChinese
  • · Replies 37 ·
2
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37

Undergrad Minimal vs Instrumental vs Ensemble

  • Morbert
  • · Replies 84 ·
3
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84

Undergrad The Self-Decoherence of Schroedinger's Cat

  • kered rettop
  • · Replies 3 ·
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3

Graduate MWI and the entangled photon experiment

  • kered rettop
  • · Replies 62 ·
3
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62

Undergrad Do Bell inequalities rule out local hidden variable models?

  • cianfa72
  • · Replies 44 ·
2
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44

Undergrad The Horrifying Implications of the Many-Worlds Interpretation

  • kered rettop
  • · Replies 2 ·
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2

Graduate Is there still a Wigner's friend paradox?

  • Heidi
  • · Replies 6 ·
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6

Undergrad How many worlds is Many Worlds talking about?

  • bushmonk
  • · Replies 16 ·
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16

Undergrad Does a system return to superposition after measurement in Wigner's friend scenario?

  • Marco211298
  • · Replies 21 ·
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21

Undergrad Why does wave amplitude indicate particle location in QM?

  • kurt101
  • · Replies 16 ·
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16

Undergrad What is the true nature of worlds in the Many-Worlds Interpretation?

  • kered rettop
  • · Replies 11 ·
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11

Undergrad Many worlds interpretation with unequal probabilities

  • Sherwood Botsford
  • · Replies 41 ·
2
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41

Graduate The Quantum State as a Function of The Quantum Field

  • bhobba
  • · Replies 13 ·
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13

Undergrad Could Tim Maudlin's Views on Bell and QM Be Flawed?

  • bhobba
  • · Replies 37 ·
2
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37

Undergrad Do all mental states really exist in some universe in Many-Minds?

  • Suekdccia
  • · Replies 3 ·
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3

Undergrad Making the wave observable in the double-slit experiment

  • Quantum Waver
  • · Replies 105 ·
4
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105

Undergrad Understanding Mixed Basis States in Hilbert Space: Uses and Applications

  • kered rettop
  • · Replies 5 ·
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5

Undergrad Can Decoherence Explain the Many Worlds Interpretation?

  • Sayestu
  • · Replies 18 ·
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18

Undergrad Why are quantum fields operators after second quantization?

  • joneall
  • · Replies 124 ·
5
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124

Undergrad To rejuvenate the plausibility of stochastic mechanics

  • iste
  • · Replies 1 ·
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1

Undergrad Why doesn't MWI just collapse to one term after measurement?

  • entropy1
  • · Replies 13 ·
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13

Undergrad How Does a Photon Pass Through a Filter Without Hidden Variables?

  • Lynch101
  • · Replies 34 ·
2
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34

Undergrad Suarez's nonlocal models and relativity objections to Bohmian mechanics

  • SteveF
  • · Replies 491 ·
17
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491

Graduate Game theory, quantum physics and the Bell inequality (paper)

  • Fra
  • · Replies 2 ·
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2

Undergrad Thermal Interpretation and Consistent Histories

  • Morbert
  • · Replies 2 ·
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2

Graduate Decoherent Histories and Measurement

  • Morbert
  • · Replies 49 ·
2
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49

Graduate Statistical ensemble interpretation done right

  • Demystifier
  • · Replies 307 ·
11
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307

Undergrad Quantum state of a macroscopic object?

  • Sayestu
  • · Replies 27 ·
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27

Graduate Is Quantum Mechanics Truly Underdetermined by Evidence?

  • A. Neumaier
  • · Replies 22 ·
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22

Undergrad Gleason's Theorem and the Measurement Problem

  • gentzen
  • · Replies 52 ·
2
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52

Graduate Roger Penrose´s OR theory, Consiousness is a QM phenomenon?

  • rolnor
  • · Replies 26 ·
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26

Undergrad Does Conscious Observation Influence Wave Function Collapse?

  • Sayestu
  • · Replies 2 ·
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2

Undergrad Measure of existence? (Stanford Encyclopedia of Philosophy)

  • Sayestu
  • · Replies 7 ·
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7

Undergrad The notion of locality in (Quantum) Physics should be clearly defined

  • vanhees71
  • · Replies 175 ·
6
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175

Undergrad Copenhagen Interpretation vs Pilot Waves

  • lukephysics
  • · Replies 44 ·
2
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44

Undergrad Why do we experience the Born Rule in Many Worlds?

  • jbergman
  • · Replies 34 ·
2
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34

Undergrad Realism in the entanglement swap experiment

  • kurt101
  • · Replies 96 ·
4
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96

Undergrad Problems with multiverse theory and many-worlds interpretations

  • rolnor
  • · Replies 1 ·
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1

Undergrad Interestingly Bohr Did Not Believe in Wavefunction Collapse

  • bhobba
  • · Replies 69 ·
3
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69

Undergrad What Defines the Standard and Realist Views in Quantum Mechanics?

  • Demystifier
  • · Replies 94 ·
4
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94

Undergrad Spooky action at a distance not allowed?

  • kurt101
  • · Replies 31 ·
2
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31

Graduate Probabilistic game of life as a toy model for Everett's interpretation

  • ShayanJ
  • · Replies 6 ·
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6

Undergrad Can we change our concept of reality to better understand quantum theory?

  • Simple question
  • · Replies 48 ·
2
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48
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1

Undergrad An argument against super-determinism

  • MichPod
  • · Replies 8 ·
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8

Graduate How do decoherence, wave function collapse, and many-worlds relate to each other?

  • Bmarcus
  • · Replies 25 ·
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25

Graduate How many branches are possible after measurement/splitting?

  • lukephysics
  • · Replies 8 ·
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8

Graduate Why are states and observables both Hermitian operators but treated differently?

  • Demystifier
  • · Replies 32 ·
2
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32

Undergrad Ontology is to quantum theory what hardware is to computation theory

  • Demystifier
  • · Replies 204 ·
7
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204

Graduate Comment on Nicolas Gisin "Intuitionistic Mathematics"?

  • Fra
  • · Replies 1 ·
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1

Graduate A stronger proof of nonlocality, or what?

  • Demystifier
  • · Replies 76 ·
3
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76