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.
Graduate An experiment that claims to doom Bohmian Mechanics
  • Jamister
  • · Replies 4 ·
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Undergrad How is the Born rule deduced from decoherence?
  • Jamister
  • · Replies 14 ·
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Insights Answering Mermin’s Challenge with the Relativity Principle
  • RUTA
  • · Replies 103 ·
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Graduate Philosophy of quantum field theory
  • Demystifier
  • · Replies 40 ·
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Graduate How can the many worlds interpretation be deterministic?
  • Lunct
  • · Replies 2 ·
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Undergrad What are current Physicists' general positions on the Copenhagen Interpretation?
  • LCSphysicist
  • · Replies 6 ·
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Graduate Is the nonlocality of a single photon an indisputable fact?
  • ilper
  • · Replies 23 ·
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Undergrad EPR and Non-Locality - For and Against
  • bhobba
  • · Replies 152 ·
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Graduate Does this QM experiment show that science is doomed?
  • francis20520
  • · Replies 58 ·
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Undergrad Continuous vs discrete Universe
  • Lynch101
  • · Replies 29 ·
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Undergrad Wilson's RG trajectories, Lagrangians and many worlds?
  • Suekdccia
  • · Replies 2 ·
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Undergrad A 5th Dimension May Explain Quantum Theory
  • Secan
  • · Replies 3 ·
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Undergrad Is this a valid Wigner's friend experiment?
  • Joao
  • · Replies 22 ·
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Graduate How do you view Physics as a whole?
  • jordi
  • · Replies 17 ·
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17
Undergrad What Are the Official Terms for the Two Types of Quantum Superposition?
  • Secan
  • · Replies 13 ·
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Undergrad What Is Objective Universal Time and How Does It Conflict with Relativity?
  • kurt101
  • · Replies 9 ·
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Graduate The collapse of the wave function?
  • Jstar70
  • · Replies 14 ·
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14
Undergrad From de Broglie's postulates to Shrödinger's equation
  • quasar987
  • · Replies 3 ·
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3
Undergrad Teaching Bohmian QM before standard QM
  • Demystifier
  • · Replies 25 ·
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25
Undergrad Single world or multiple worlds?
  • entropy1
  • · Replies 20 ·
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20
Undergrad Equivalence of interpretations in more elaborate setups
  • greypilgrim
  • · Replies 1 ·
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1
Undergrad Many Worlds versus Decoherent Histories
  • Morbert
  • · Replies 23 ·
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Undergrad Investigations to find the cause of wave collapse?
  • manases
  • · Replies 8 ·
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8
Undergrad Does Decoherence get rid of all Quantumness?
  • allisrelative
  • · Replies 7 ·
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7
Graduate Non-entangling environmental noise in QM/QFT
  • Auto-Didact
  • · Replies 2 ·
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2
Undergrad Imaginary number i in Pauli matrixes
  • Jonathan freeman
  • · Replies 1 ·
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Undergrad Forces (Fields) of Nature and Quantum Foundations
  • Secan
  • · Replies 5 ·
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5
Graduate What is the problem that the Many Worlds Interpretation aims to solve?
  • Quotidian
  • · Replies 30 ·
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Undergrad Pilot Wave Theory: Against the Rest of Quantum Mechanics?
  • manases
  • · Replies 5 ·
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Graduate Many Worlds versus Thermal interpretation
  • A. Neumaier
  • · Replies 5 ·
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5
Undergrad Consciousness and quantum mechanics
  • rasp
  • · Replies 81 ·
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Undergrad Is a Sparse Many Worlds Representation of Existence Feasible?
  • Jarvis323
  • · Replies 43 ·
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Undergrad How is realism understood in QM?
  • Lynch101
  • · Replies 89 ·
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Undergrad Ontology of measurement and correlation
  • entropy1
  • · Replies 1 ·
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Undergrad QM & Ontology: Why Should We Stay Away?
  • entropy1
  • · Replies 64 ·
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Undergrad Anti-realist Interpretations of QM
  • Lynch101
  • · Replies 147 ·
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Undergrad Compatibility of MWI with probability of outcomes
  • entropy1
  • · Replies 36 ·
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Graduate Is unitarity necessary for the probabilistic interpretation?
  • Demystifier
  • · Replies 17 ·
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Graduate Doesn't Wigner's Friend Experiment solve the measurement problem?
  • allisrelative
  • · Replies 12 ·
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Undergrad Is Free Will a Foundational Assumption in Quantum Theory?
  • Lynch101
  • · Replies 228 ·
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Undergrad Anton Zeilinger's comment about free will being required for science
  • msumm21
  • · Replies 213 ·
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Graduate Does QCD make sense without a cutoff?
  • Demystifier
  • · Replies 38 ·
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Undergrad Confusion Abounds In Discussing QM
  • bhobba
  • · Replies 13 ·
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Graduate The Penrose gravity thesis/interpretation of QM
  • user30
  • · Replies 10 ·
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Undergrad Bell's superdeterminism compared to determinism
  • user30
  • · Replies 59 ·
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Undergrad Does 'many worlds', imply worlds before the Big Bang?
  • bland
  • · Replies 4 ·
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Undergrad Quantum Realism and Bell Locality
  • G Delta
  • · Replies 6 ·
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Undergrad Steven Weinberg on the interpretation of quantum mechanics
  • A. Neumaier
  • · Replies 76 ·
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Undergrad What Made Einstein Accept the Expanding Universe Model?
  • Mary Conrads Sanburn
  • · Replies 1 ·
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Undergrad Is the Following How Most Students Think of Einstein's View Of QM
  • bhobba
  • · Replies 76 ·
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Graduate Advanced models for the Stern-Gerlach experiment
  • A. Neumaier
  • · Replies 0 ·
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Undergrad How does Bohmian mechanics explain quantum bomb testing?
  • greypilgrim
  • · Replies 1 ·
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Undergrad Is Quantum Field Theory Redefining the Foundations of Quantum Mechanics?
  • AndreasC
  • · Replies 61 ·
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Undergrad Help! I Don't Understand Quantum Darwinism
  • Paul Parnell
  • · Replies 13 ·
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Undergrad New paper by physicists Ken Wharton and Nathan Argaman on Retrocausality
  • kquantum
  • · Replies 3 ·
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Insights Modern Physics Understood as an Unrecognized Kuhnian Revolution
  • RUTA
  • · Replies 26 ·
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Undergrad What Is the Role of Ontology in the Interpretations of Quantum Mechanics?
  • ftr
  • · Replies 147 ·
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Graduate Possibility that all current interpretations of QM are wrong
  • joegibs
  • · Replies 46 ·
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Undergrad Modern Assesment of Grete Hermann's Philosophy on Quantum Mechanics
  • Jarvis323
  • · Replies 2 ·
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Undergrad What did Heisenberg know about the measurement problem?
  • MichPod
  • · Replies 12 ·
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12
Undergrad Understanding the Fundamental Difference in Interpretations of QM
  • Lynch101
  • · Replies 76 ·
3
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Undergrad For and Against the Copenhagen Interpretation
  • Lynch101
  • · Replies 28 ·
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28
Graduate On the interpretation of a correlator with different definite states
  • Israel.cma
  • · Replies 1 ·
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1
Graduate Question about the perception of collapse in relational to QM interpretation
  • evi7538
  • · Replies 18 ·
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Graduate De Broglie Relations Confusion
  • lekh2003
  • · Replies 6 ·
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6
Graduate De Broglie to Schrödinger to Thomson to Bohm?
  • PhilDSP
  • · Replies 3 ·
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Graduate Entanglement on the Many Worlds model
  • jeremyfiennes
  • · Replies 5 ·
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5
Undergrad The Cellular Automaton Interpretation of Quantum Mechanics
  • lucas_
  • · Replies 7 ·
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7
Undergrad What exactly is a measurement device and how does it work?
  • Quantum Alchemy
  • · Replies 21 ·
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Undergrad Could many worlds be a solution to time travel paradoxes?
  • bland
  • · Replies 3 ·
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3
Undergrad Can the hydrodynamic formulation of QM be understood purely classically?
  • Killtech
  • · Replies 10 ·
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10
Undergrad How could a quantum system "predict the future"?
  • sayetsu
  • · Replies 25 ·
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Undergrad Is this a typo? (Quantum Theory for Mathematicians by Brian C. Hall)
  • danielristic
  • · Replies 7 ·
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Undergrad Observer superposition in MWI?
  • entropy1
  • · Replies 31 ·
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Undergrad Does the Act of Observing a Detector Influence Quantum Measurements?
  • sayetsu
  • · Replies 5 ·
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5
Graduate How Can Wigner's Friend Experiment Influence Novel Plots in Quantum Mechanics?
  • sayetsu
  • · Replies 1 ·
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Undergrad Schrodinger’s cat and the Many Worlds interpretation
  • MichaelAlexDavM
  • · Replies 17 ·
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Graduate Quantum measurement of a Strontium ion
  • pinball1970
  • · Replies 126 ·
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Undergrad Getting rid of nonlocality from quantum physics
  • Vaxjo
  • · Replies 123 ·
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Graduate Algorithmic information theory's QM view of reality
  • sayetsu
  • · Replies 2 ·
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Undergrad Relativistic energy equation applied to a double-slit experiment
  • SEYED2001
  • · Replies 21 ·
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21
Undergrad The spin of the neutron is a quantized property
  • borib
  • · Replies 8 ·
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8
Undergrad Wigner's Friend shows the difference between Observer and Measurement
  • Quantum Alchemy
  • · Replies 4 ·
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Undergrad The thermal interpretation of quantum physics
  • A. Neumaier
  • · Replies 826 ·
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Graduate Could different outcomes have different physics in Wigner's friend?
  • Suekdccia
  • · Replies 4 ·
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4
Undergrad "A sentient being can't be aware of being in a superposition"
  • Swamp Thing
  • · Replies 2 ·
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Undergrad Hydrodynamic interpretation and consistency classic probability
  • Killtech
  • · Replies 6 ·
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6
Undergrad What if a scientific theory is not testable?
  • timmdeeg
  • · Replies 62 ·
3
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Undergrad Quantum physics vs Probability theory
  • Killtech
  • · Replies 120 ·
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Undergrad Reading materials on quantum foundations
  • WWCY
  • · Replies 16 ·
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16
Undergrad Does information get lost by measurement?
  • entropy1
  • · Replies 7 ·
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7
Graduate A question related to de Broglie wavelength and the Uncertainty Principle
  • Rishabh Narula
  • · Replies 6 ·
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6
Undergrad Bell-type Polarization Exp: Uncorrelated Photon Pairs & End of Nonlocality?
  • vortextor
  • · Replies 3 ·
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Undergrad Superposition status in the different interpretations.
  • ftr
  • · Replies 1 ·
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Undergrad Do collapse interpretations respect conservation laws?
  • greypilgrim
  • · Replies 7 ·
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Undergrad Bohm guiding field, electrons in a semiconductor "box"
  • Spinnor
  • · Replies 1 ·
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Undergrad Photon Double Slit Experiment: Visualizing the Guiding Field
  • Spinnor
  • · Replies 2 ·
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Undergrad How to derive Born's rule for arbitrary observables from Bohmian mechanics?
  • A. Neumaier
  • · Replies 165 ·
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Graduate Is theory of measurement an oxymoron?
  • Demystifier
  • · Replies 33 ·
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Graduate Understanding the Debate: Many Worlds vs Modalism in Everettian QM"
  • Quanundrum
  • · Replies 49 ·
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