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 Is the Theory of Everything necessarily deterministic?

  • SEYED2001
  • · Replies 18 ·
Replies
18

Undergrad Question pertaining to the random distribution of many worlds

  • g564321
  • · Replies 12 ·
Replies
12

Undergrad Is there a name for this type of interpretation?

  • Gary_T2018
  • · Replies 1 ·
Replies
1

Undergrad Role of the collapse in the instrumentalist interpretation

  • timmdeeg
  • · Replies 44 ·
2
Replies
44

Undergrad Wavefunction collapse and temporal ordering in delayed-choice quantum eraser

  • johnconner
  • · Replies 3 ·
Replies
3

Graduate Quantum double slits moving past a quantum particle?

  • Leopolitan
  • · Replies 5 ·
Replies
5

Undergrad The probability when the wave-function collapses

  • thaiqi
  • · Replies 11 ·
Replies
11

Graduate An experiment that claims to doom Bohmian Mechanics

  • Jamister
  • · Replies 4 ·
Replies
4

Undergrad How is the Born rule deduced from decoherence?

  • Jamister
  • · Replies 14 ·
Replies
14

Insights Answering Mermin’s Challenge with the Relativity Principle

  • RUTA
  • · Replies 103 ·
4
Replies
103

Graduate Philosophy of quantum field theory

  • Demystifier
  • · Replies 40 ·
2
Replies
40

Graduate How can the many worlds interpretation be deterministic?

  • Lunct
  • · Replies 2 ·
Replies
2

Undergrad What are current Physicists' general positions on the Copenhagen Interpretation?

  • LCSphysicist
  • · Replies 6 ·
Replies
6

Graduate Is the nonlocality of a single photon an indisputable fact?

  • ilper
  • · Replies 23 ·
Replies
23

Undergrad EPR and Non-Locality - For and Against

  • bhobba
  • · Replies 152 ·
6
Replies
152

Graduate Does this QM experiment show that science is doomed?

  • francis20520
  • · Replies 58 ·
2
Replies
58

Undergrad Continuous vs discrete Universe

  • Lynch101
  • · Replies 29 ·
Replies
29

Undergrad Wilson's RG trajectories, Lagrangians and many worlds?

  • Suekdccia
  • · Replies 2 ·
Replies
2

Undergrad A 5th Dimension May Explain Quantum Theory

  • Secan
  • · Replies 3 ·
Replies
3

Undergrad Valid Wigner's friend experiment with entangled photons and double slits?

  • Joao
  • · Replies 22 ·
Replies
22

Graduate How do you view Physics as a whole?

  • jordi
  • · Replies 17 ·
Replies
17

Undergrad What Are the Official Terms for the Two Types of Quantum Superposition?

  • Secan
  • · Replies 13 ·
Replies
13

Undergrad What Is Objective Universal Time and How Does It Conflict with Relativity?

  • kurt101
  • · Replies 9 ·
Replies
9

Graduate The collapse of the wave function?

  • Jstar70
  • · Replies 14 ·
Replies
14

Undergrad From de Broglie's postulates to Shrödinger's equation

  • quasar987
  • · Replies 3 ·
Replies
3

Undergrad Teaching Bohmian QM before standard QM

  • Demystifier
  • · Replies 25 ·
Replies
25

Undergrad Single world or multiple worlds?

  • entropy1
  • · Replies 20 ·
Replies
20

Undergrad Equivalence of interpretations in more elaborate setups

  • greypilgrim
  • · Replies 1 ·
Replies
1

Undergrad Many Worlds versus Decoherent Histories

  • Morbert
  • · Replies 23 ·
Replies
23

Undergrad Investigations to find the cause of wave collapse?

  • manases
  • · Replies 8 ·
Replies
8

Undergrad Does Decoherence get rid of all Quantumness?

  • allisrelative
  • · Replies 7 ·
Replies
7

Graduate Non-entangling environmental noise in QM/QFT

  • Auto-Didact
  • · Replies 2 ·
Replies
2

Undergrad Imaginary number i in Pauli matrixes

  • Jonathan freeman
  • · Replies 1 ·
Replies
1

Undergrad Forces (Fields) of Nature and Quantum Foundations

  • Secan
  • · Replies 5 ·
Replies
5

Graduate What is the problem that the Many Worlds Interpretation aims to solve?

  • Quotidian
  • · Replies 30 ·
2
Replies
30

Undergrad Pilot Wave Theory: Against the Rest of Quantum Mechanics?

  • manases
  • · Replies 5 ·
Replies
5

Graduate Many Worlds versus Thermal interpretation

  • A. Neumaier
  • · Replies 5 ·
Replies
5

Undergrad Consciousness and quantum mechanics

  • rasp
  • · Replies 81 ·
3
Replies
81

Undergrad Is a Sparse Many Worlds Representation of Existence Feasible?

  • Jarvis323
  • · Replies 43 ·
2
Replies
43

Undergrad How is realism understood in QM?

  • Lynch101
  • · Replies 89 ·
3
Replies
89

Undergrad Ontology of measurement and correlation

  • entropy1
  • · Replies 1 ·
Replies
1

Undergrad Why do physicists avoid ontology in quantum mechanics?

  • entropy1
  • · Replies 64 ·
3
Replies
64

Undergrad Anti-realist Interpretations of QM

  • Lynch101
  • · Replies 147 ·
5
Replies
147

Undergrad Compatibility of MWI with probability of outcomes

  • entropy1
  • · Replies 36 ·
2
Replies
36

Graduate Is unitarity necessary for the probabilistic interpretation?

  • Demystifier
  • · Replies 17 ·
Replies
17

Graduate Doesn't Wigner's Friend Experiment solve the measurement problem?

  • allisrelative
  • · Replies 12 ·
Replies
12

Undergrad Is Free Will a Foundational Assumption in Quantum Theory?

  • Lynch101
  • · Replies 228 ·
8
Replies
228

Undergrad Anton Zeilinger's comment about free will being required for science

  • msumm21
  • · Replies 213 ·
8
Replies
213

Graduate Does QCD make sense without a cutoff?

  • Demystifier
  • · Replies 38 ·
2
Replies
38

Undergrad Confusion Abounds In Discussing QM

  • bhobba
  • · Replies 13 ·
Replies
13

Graduate The Penrose gravity thesis/interpretation of QM

  • user30
  • · Replies 10 ·
Replies
10

Undergrad Bell's superdeterminism compared to determinism

  • user30
  • · Replies 59 ·
2
Replies
59

Undergrad Does 'many worlds', imply worlds before the Big Bang?

  • bland
  • · Replies 4 ·
Replies
4

Undergrad Quantum Realism and Bell Locality

  • G Delta
  • · Replies 6 ·
Replies
6

Undergrad Steven Weinberg on the interpretation of quantum mechanics

  • A. Neumaier
  • · Replies 76 ·
3
Replies
76

Undergrad What Made Einstein Accept the Expanding Universe Model?

  • Mary Conrads Sanburn
  • · Replies 1 ·
Replies
1

Undergrad Is the Following How Most Students Think of Einstein's View Of QM

  • bhobba
  • · Replies 76 ·
3
Replies
76

Graduate Advanced models for the Stern-Gerlach experiment

  • A. Neumaier
  • · Replies 0 ·
Replies
0

Undergrad How does Bohmian mechanics explain quantum bomb testing?

  • greypilgrim
  • · Replies 1 ·
Replies
1

Undergrad Does quantum field theory make quantum mechanics interpretations obsolete?

  • AndreasC
  • · Replies 61 ·
3
Replies
61

Undergrad Difference between quantum Darwinism and decoherence

  • Paul Parnell
  • · Replies 13 ·
Replies
13

Undergrad New paper by physicists Ken Wharton and Nathan Argaman on Retrocausality

  • kquantum
  • · Replies 3 ·
Replies
3

Insights Modern Physics Understood as an Unrecognized Kuhnian Revolution

  • RUTA
  • · Replies 26 ·
Replies
26

Undergrad What Is the Role of Ontology in the Interpretations of Quantum Mechanics?

  • ftr
  • · Replies 147 ·
5
Replies
147

Graduate Possibility that all current interpretations of QM are wrong

  • joegibs
  • · Replies 46 ·
2
Replies
46

Undergrad Modern Assesment of Grete Hermann's Philosophy on Quantum Mechanics

  • Jarvis323
  • · Replies 2 ·
Replies
2

Undergrad What did Heisenberg know about the measurement problem?

  • MichPod
  • · Replies 12 ·
Replies
12

Undergrad How do instrumentalist and realist interpretations of QM differ?

  • Lynch101
  • · Replies 76 ·
3
Replies
76

Undergrad For and Against the Copenhagen Interpretation

  • Lynch101
  • · Replies 28 ·
Replies
28

Graduate On the interpretation of a correlator with different definite states

  • Israel.cma
  • · Replies 1 ·
Replies
1

Graduate Why does consciousness perceive collapse in relational quantum mechanics?

  • evi7538
  • · Replies 18 ·
Replies
18

Graduate De Broglie Relations Confusion

  • lekh2003
  • · Replies 6 ·
Replies
6

Graduate De Broglie to Schrödinger to Thomson to Bohm?

  • PhilDSP
  • · Replies 3 ·
Replies
3

Graduate Entanglement on the Many Worlds model

  • jeremyfiennes
  • · Replies 5 ·
Replies
5

Undergrad The Cellular Automaton Interpretation of Quantum Mechanics

  • lucas_
  • · Replies 7 ·
Replies
7

Undergrad What exactly is a measurement device and how does it work?

  • Quantum Alchemy
  • · Replies 21 ·
Replies
21

Undergrad Could many worlds be a solution to time travel paradoxes?

  • bland
  • · Replies 3 ·
Replies
3

Undergrad Can the hydrodynamic formulation of QM be understood purely classically?

  • Killtech
  • · Replies 10 ·
Replies
10

Undergrad How could a quantum system "predict the future"?

  • sayetsu
  • · Replies 25 ·
Replies
25

Undergrad Possible typo in Quantum Theory for Mathematicians by Hall

  • danielristic
  • · Replies 7 ·
Replies
7

Undergrad Observer superposition in MWI?

  • entropy1
  • · Replies 31 ·
2
Replies
31

Undergrad Does the Act of Observing a Detector Influence Quantum Measurements?

  • sayetsu
  • · Replies 5 ·
Replies
5

Graduate How Can Wigner's Friend Experiment Influence Novel Plots in Quantum Mechanics?

  • sayetsu
  • · Replies 1 ·
Replies
1

Undergrad Schrodinger’s cat and the Many Worlds interpretation

  • MichaelAlexDavM
  • · Replies 17 ·
Replies
17

Graduate Quantum measurement of a Strontium ion

  • pinball1970
  • · Replies 126 ·
5
Replies
126

Undergrad Getting rid of nonlocality from quantum physics

  • Vaxjo
  • · Replies 123 ·
5
Replies
123

Graduate Algorithmic information theory's QM view of reality

  • sayetsu
  • · Replies 2 ·
Replies
2

Undergrad Relativistic energy equation applied to a double-slit experiment

  • SEYED2001
  • · Replies 21 ·
Replies
21

Undergrad The spin of the neutron is a quantized property

  • borib
  • · Replies 8 ·
Replies
8

Undergrad Wigner's Friend shows the difference between Observer and Measurement

  • Quantum Alchemy
  • · Replies 4 ·
Replies
4

Undergrad The thermal interpretation of quantum physics

  • A. Neumaier
  • · Replies 826 ·
28
Replies
826

Graduate Could different outcomes have different physics in Wigner's friend?

  • Suekdccia
  • · Replies 4 ·
Replies
4

Undergrad "A sentient being can't be aware of being in a superposition"

  • Swamp Thing
  • · Replies 2 ·
Replies
2

Undergrad Hydrodynamic interpretation and consistency classic probability

  • Killtech
  • · Replies 6 ·
Replies
6

Undergrad Can we trust a self-consistent but untestable quantum gravity theory?

  • timmdeeg
  • · Replies 62 ·
3
Replies
62

Undergrad Quantum physics vs Probability theory

  • Killtech
  • · Replies 120 ·
5
Replies
120

Undergrad Reading materials on quantum foundations

  • WWCY
  • · Replies 16 ·
Replies
16

Undergrad Does information get lost by measurement?

  • entropy1
  • · Replies 7 ·
Replies
7

Graduate A question related to de Broglie wavelength and the Uncertainty Principle

  • Rishabh Narula
  • · Replies 6 ·
Replies
6

Undergrad Bell tests with uncorrelated photon pairs and the CH inequality

  • vortextor
  • · Replies 3 ·
Replies
3