Quantum Interpretations and Foundations Forum

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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 Can I take the transactional interpretation seriously?
  • gentzen
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Graduate Papers on Splitting single particles
  • Quant
  • · Replies 10 ·
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Undergrad Wave function collapse in the early Universe
  • Bouncer
  • · Replies 2 ·
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Graduate Question about entanglement over large distances
  • jrfuca99
  • · Replies 1 ·
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Undergrad Would the state collapse when quantum entanglement is being observed?
  • particleinmc
  • · Replies 5 ·
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Undergrad Are there asymptotic QFT/QED states in a constant magnetic field?
  • gentzen
  • · Replies 5 ·
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Graduate Why is the "conscious observer" thing considered?
  • Sayestu
  • · Replies 10 ·
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Undergrad Bell violations + perfect correlations via conservative Brownian motion
  • iste
  • · Replies 31 ·
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Undergrad Radioactivity in quantum physics
  • Kairos
  • · Replies 13 ·
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Undergrad MWI as applied to measurement of spin 1/2 entangled particle pair
  • cianfa72
  • · Replies 25 ·
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Graduate Teaching ideal quantum measurement, from dynamics to interpretation
  • A. Neumaier
  • · Replies 7 ·
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Undergrad Can the "measurement problem" just be an "epistemological ambiguity"?
  • lawrencepatriarca
  • · Replies 15 ·
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Undergrad What is the mathematical expression of the process of the wave functions collapsing?
  • george1962
  • · Replies 7 ·
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Graduate Resolution of the Frauchiger-Renner paradox
  • Demystifier
  • · Replies 37 ·
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Graduate Is the QT "no-cloning theorem" suitable as "Chronological Protection"?
  • Tommolo
  • · Replies 6 ·
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Undergrad What exactly does quantum immortality convey?
  • KleinMoretti
  • · Replies 13 ·
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Undergrad Are there any accepted relativistic interpretations of quantum mechanics?
  • pines-demon
  • · Replies 45 ·
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Graduate Feynman rules for Entangled photons
  • Quant
  • · Replies 31 ·
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Graduate Double slit experiment using entangled photons
  • a1call
  • · Replies 10 ·
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Undergrad Wave function collapse
  • quantum philosopher
  • · Replies 11 ·
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Undergrad QFT made Bohmian mechanics a non-starter: missed opportunities?
  • gentzen
  • · Replies 376 ·
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  • Poll Poll
Undergrad Is QM generally believed to be able to describe Newtonian mechanics?
  • Pony
  • · Replies 10 ·
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Undergrad Experiment distinguishes Standard QM vs Bohm: Asymmetric beam splitter
  • Ben-tanglement
  • · Replies 15 ·
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Undergrad What is the statistical minimal interpretation?
  • pines-demon
  • · Replies 20 ·
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Undergrad Nelson's Stochastic Mechanics, simple argument why interference exists?
  • Spinnor
  • · Replies 19 ·
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Graduate Gravity in the Thermal Interpretation
  • PeterDonis
  • · Replies 1 ·
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Undergrad How Does Local Measurement Affect an Entangled System?
  • nojustay
  • · Replies 54 ·
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Undergrad A Bold New Take on Quantum Theory
  • bhobba
  • · Replies 25 ·
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Graduate A Critique of Everett's "Many Wolds" interpretation
  • GaloisGroup
  • · Replies 4 ·
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Undergrad Bohmian interpretation of Schrodinger's Cat
  • sillyputty
  • · Replies 11 ·
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Undergrad How To Experimentally Confirm the Wigner-Von Neumann Interpretation
  • ChadGPT
  • · Replies 52 ·
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Undergrad Collapse of particle wave function and single Universe wave function?
  • yapi
  • · Replies 43 ·
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Undergrad Does Schrodinger's Cat contradict itself?
  • SamuelCunningham3456
  • · Replies 4 ·
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Undergrad Carroll's Derivation of the Born Rule in MWI with Unequal Amplitudes
  • jbergman
  • · Replies 47 ·
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Graduate Possibilities of Time-Independent Entangled Photons
  • DrChinese
  • · Replies 142 ·
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Undergrad Multiverse theory -- Why don't strange things happen here sometimes?
  • rolnor
  • · Replies 171 ·
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Undergrad Why is there no consensus about the meaning of probability in MWI?
  • kered rettop
  • · Replies 276 ·
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Undergrad Many-Worlds and Testable Claims
  • bzcle316
  • · Replies 1 ·
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Graduate Entangling a photon from the Sun with one from Earth
  • DrChinese
  • · Replies 0 ·
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Graduate Yakir Aharonov's time-symmetric formulation of quantum mechanics
  • gentzen
  • · Replies 7 ·
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Undergrad Exploring Measurements in Quantum Field Theory: From Light Cones to Bell Tests
  • Delta Kilo
  • · Replies 57 ·
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Undergrad Quantum entanglement in the MWI
  • Sayestu
  • · Replies 87 ·
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Graduate Loophole-free test of local realism via Hardy's violation
  • DrChinese
  • · Replies 37 ·
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Undergrad Minimal vs Instrumental vs Ensemble
  • Morbert
  • · Replies 84 ·
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Undergrad The Self-Decoherence of Schroedinger's Cat
  • kered rettop
  • · Replies 3 ·
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Graduate MWI and the entangled photon experiment
  • kered rettop
  • · Replies 62 ·
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Undergrad Understanding Bell Inequality Proof: Explained from a Probability Perspective
  • cianfa72
  • · Replies 44 ·
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Undergrad The Horrifying Implications of the Many-Worlds Interpretation
  • kered rettop
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Graduate Is there still a Wigner's friend paradox?
  • Heidi
  • · Replies 6 ·
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Undergrad How many worlds is Many Worlds talking about?
  • bushmonk
  • · Replies 16 ·
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Undergrad Doubts regarding my interpretation of Wigner’s Friend Scenario
  • Marco211298
  • · Replies 21 ·
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Undergrad Why does wave amplitude indicate particle location in QM?
  • kurt101
  • · Replies 16 ·
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Undergrad What is the true nature of worlds in the Many-Worlds Interpretation?
  • kered rettop
  • · Replies 11 ·
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Undergrad Many worlds interpretation with unequal probabilities
  • Sherwood Botsford
  • · Replies 41 ·
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Graduate The Quantum State as a Function of The Quantum Field
  • bhobba
  • · Replies 13 ·
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Undergrad Could Tim Maudlin's Views on Bell and QM Be Flawed?
  • bhobba
  • · Replies 37 ·
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Undergrad Do all mental states really exist in some universe in Many-Minds?
  • Suekdccia
  • · Replies 3 ·
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Undergrad Making the wave observable in the double-slit experiment
  • Quantum Waver
  • · Replies 105 ·
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Undergrad Understanding Mixed Basis States in Hilbert Space: Uses and Applications
  • kered rettop
  • · Replies 5 ·
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Undergrad Can Decoherence Explain the Many Worlds Interpretation?
  • Sayestu
  • · Replies 18 ·
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Undergrad Who is Ballentine and why is he important in the world of quantum mechanics?
  • joneall
  • · Replies 124 ·
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Undergrad To rejuvenate the plausibility of stochastic mechanics
  • iste
  • · Replies 1 ·
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Undergrad Why is this interpretation of MWI wrong?
  • entropy1
  • · Replies 13 ·
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Undergrad How Does a Photon Pass Through a Filter Without Hidden Variables?
  • Lynch101
  • · Replies 34 ·
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Undergrad Confused by nonlocal models and relativity
  • SteveF
  • · Replies 491 ·
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Graduate Game theory, quantum physics and the Bell inequality (paper)
  • Fra
  • · Replies 2 ·
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Undergrad Thermal Interpretation and Consistent Histories
  • Morbert
  • · Replies 2 ·
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Graduate Decoherent Histories and Measurement
  • Morbert
  • · Replies 49 ·
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Graduate Statistical ensemble interpretation done right
  • Demystifier
  • · Replies 309 ·
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Undergrad Quantum state of a macroscopic object?
  • Sayestu
  • · Replies 27 ·
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Graduate Is Quantum Mechanics Truly Underdetermined by Evidence?
  • A. Neumaier
  • · Replies 22 ·
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Undergrad Gleason's Theorem and the Measurement Problem
  • gentzen
  • · Replies 52 ·
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Graduate Roger Penrose´s OR theory, Consiousness is a QM phenomenon?
  • rolnor
  • · Replies 26 ·
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Undergrad Does Conscious Observation Influence Wave Function Collapse?
  • Sayestu
  • · Replies 2 ·
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Undergrad Measure of existence? (Stanford Encyclopedia of Philosophy)
  • Sayestu
  • · Replies 7 ·
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Undergrad The notion of locality in (Quantum) Physics should be clearly defined
  • vanhees71
  • · Replies 175 ·
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Undergrad Copenhagen Interpretation vs Pilot Waves
  • lukephysics
  • · Replies 44 ·
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Undergrad Why do we experience the Born Rule in Many Worlds?
  • jbergman
  • · Replies 34 ·
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Undergrad Realism in the entanglement swap experiment
  • kurt101
  • · Replies 96 ·
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Undergrad Multiverse theory, I dont like it...
  • rolnor
  • · Replies 1 ·
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Undergrad Interestingly Bohr Did Not Believe in Wavefunction Collapse
  • bhobba
  • · Replies 69 ·
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Undergrad What Defines the Standard and Realist Views in Quantum Mechanics?
  • Demystifier
  • · Replies 94 ·
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Undergrad Spooky action at a distance not allowed?
  • kurt101
  • · Replies 31 ·
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Graduate Probabilistic game of life as a toy model for Everett's interpretation
  • ShayanJ
  • · Replies 6 ·
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Undergrad Can we change our concept of reality to better understand quantum theory?
  • Simple question
  • · Replies 48 ·
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Insights How Quantum Information Theory Solves “the only mystery” of Quantum Mechanics
  • RUTA
  • · Replies 1 ·
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Undergrad An argument against super-determinism
  • MichPod
  • · Replies 8 ·
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8
Graduate Decoherence vs Observer Wave Function Collapse & MWI: Questions
  • Bmarcus
  • · Replies 25 ·
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Graduate How many branches are possible after measurement/splitting?
  • lukephysics
  • · Replies 8 ·
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Graduate States & Observables: Are They Really Different?
  • Demystifier
  • · Replies 32 ·
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Undergrad Ontology is to quantum theory what hardware is to computation theory
  • Demystifier
  • · Replies 204 ·
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Graduate Comment on Nicolas Gisin "Intuitionistic Mathematics"?
  • Fra
  • · Replies 1 ·
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Graduate A stronger proof of nonlocality, or what?
  • Demystifier
  • · Replies 76 ·
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Undergrad Thoughts about this Bayesian Mechanics paper?
  • Fra
  • · Replies 3 ·
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Undergrad Question around 'quantum object hits screen'
  • timmdeeg
  • · Replies 16 ·
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Undergrad What does it take to solve the measurement problem? (new paper published)
  • member 673059
  • · Replies 199 ·
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Undergrad Why no plane waves of macroscopic bodies? The micro-macro threshold...
  • Laci
  • · Replies 41 ·
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Undergrad A Heuristic View of QM: Axioms & Gleason's Theorem
  • bhobba
  • · Replies 15 ·
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15
Graduate How Many Hidden Variables Would It Take to Model Photon Polarization?
  • DrChinese
  • · Replies 45 ·
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Graduate QM Eigenstates and the Notion of Motion
  • strangerep
  • · Replies 79 ·
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