Quantum Physics Forum

Post thread
Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.

Quantum Interpretations and Foundations

Graduate Alternative model for counterfactual definiteness in Bohm-like EPR
What Defines a Local Operator in Position Space?
  • · Replies 3 ·
Replies
3
Views
1K
How Does Measurement Affect Photon Behavior in the Double Slit Experiment?
  • · Replies 3 ·
Replies
3
Views
2K
Double-slit experiment and gravity
  • · Replies 13 ·
Replies
13
Views
3K
Possible Logical Flaw in Sakurai
  • · Replies 1 ·
Replies
1
Views
1K
Laser Lattice: Understanding Frequency & Wave Vector Effects
  • · Replies 4 ·
Replies
4
Views
2K
Question About Hilbert Space Convention
  • · Replies 5 ·
Replies
5
Views
1K
Strong force and beta function
  • · Replies 2 ·
Replies
2
Views
2K
Double Slit Experiment with Electrons
  • · Replies 31 ·
2
Replies
31
Views
4K
Are these articles proof that wave function is real?
  • · Replies 12 ·
Replies
12
Views
1K
Ways to put subatomic particles in indeterminate state
  • · Replies 3 ·
Replies
3
Views
1K
Complete set of eigenvectors question
  • · Replies 7 ·
Replies
7
Views
2K
Why Does xp ≠ i * hbar? | Wolfram Alpha
  • · Replies 11 ·
Replies
11
Views
21K
Orbital Angular Momentum and Photon Energy
  • · Replies 6 ·
Replies
6
Views
3K
Is prior information lost during/after entanglement?
  • · Replies 1 ·
Replies
1
Views
1K
Quantized Gravity: GR, Gravitational Waves & Gravitons
  • · Replies 19 ·
Replies
19
Views
3K
Envisioning Electron Wave Properties
  • · Replies 6 ·
Replies
6
Views
1K
Casimir Effect Force in a Collapsing Sphere
  • · Replies 4 ·
Replies
4
Views
1K
Question about time in QM vs. special relativity?
  • · Replies 3 ·
Replies
3
Views
2K
Is wave function a real physical thing?
  • · Replies 150 ·
6
Replies
150
Views
15K
Is wave function a probability function of time?
  • · Replies 7 ·
Replies
7
Views
1K
BBC Jim Al-Khalili Presentation -- robin bird eyes use quantum entanglement?
  • · Replies 10 ·
Replies
10
Views
3K
Does Particle Spin Refer to Rotation?
  • · Replies 16 ·
Replies
16
Views
2K
Help? UrgentEntanglement Stumped: Get Urgent Help Now!
  • · Replies 24 ·
Replies
24
Views
2K
Diagonalizabilty versus spread for uncertainty (discrete)
  • · Replies 2 ·
Replies
2
Views
1K
Group and Quantum Field Theory
  • · Replies 8 ·
Replies
8
Views
2K
Understanding Faithful Measurement in Quantum Mechanics
  • · Replies 3 ·
Replies
3
Views
1K
What is the significance of Bell's Inequality Theorem in quantum mechanics?
  • · Replies 5 ·
Replies
5
Views
2K
Double Slit Experiments with Electrons
  • · Replies 16 ·
Replies
16
Views
2K
Question about spin operators and eigenvalues
  • · Replies 5 ·
Replies
5
Views
3K
Physical meaning of the Feynman slash
  • · Replies 2 ·
Replies
2
Views
4K
How Does the Momentum Operator Act in the Matrix Element <pm|p|pn>?
  • · Replies 9 ·
Replies
9
Views
2K
Quantum Computing with Zero Spin Atoms?
  • · Replies 1 ·
Replies
1
Views
864
Thinking about the Schrodinger wave equation
  • · Replies 6 ·
Replies
6
Views
1K
Qubits, 2 complex numbers, forcing one to real
  • · Replies 5 ·
Replies
5
Views
3K
How Does the Two Slit Experiment Illustrate Quantum Duality?
  • · Replies 44 ·
2
Replies
44
Views
3K
Why does photoelectric emission not depend on intensity?
  • · Replies 14 ·
Replies
14
Views
4K
Time-dep Hamiltonian commute with time evolution?
  • · Replies 9 ·
Replies
9
Views
5K
Modern Axiomatic Quantum Field Theory Texts for Beginners
  • · Replies 5 ·
Replies
5
Views
1K
Meaning of Commutation Relation
  • · Replies 3 ·
Replies
3
Views
4K
Wigner-Eckart theorem in Stark effect
  • · Replies 1 ·
Replies
1
Views
2K
What Is the Difference Between SDD and Stuttgart Pseudopotential?
  • · Replies 5 ·
Replies
5
Views
3K
Renormalization question in phi^4 theory
  • · Replies 5 ·
Replies
5
Views
5K
Creating radiowave entangled photons
  • · Replies 35 ·
2
Replies
35
Views
7K
Equivalence of waveparticle duality to uncertainty principle
  • · Replies 1 ·
Replies
1
Views
1K
Polarization of an emitted photon
  • · Replies 3 ·
Replies
3
Views
1K
Realism in QM: Existing Before Measurement?
  • · Replies 12 ·
Replies
12
Views
2K
Mathematical Explanation of One partice in two place
  • · Replies 9 ·
Replies
9
Views
1K
Finite and infinite unitary transformation
  • · Replies 1 ·
Replies
1
Views
1K
Creating a Laser with Different Types of Radiance
  • · Replies 7 ·
Replies
7
Views
1K
Counterterms in saddle point expansion
  • · Replies 2 ·
Replies
2
Views
994
Momentum operator eigenfunction
  • · Replies 7 ·
Replies
7
Views
5K
? connection between uncertainty and wave-particle duality
  • · Replies 1 ·
Replies
1
Views
1K
Field Quantization: Raising & Lowering Operators
  • · Replies 1 ·
Replies
1
Views
1K
How do physicists know wave function extends to infinity?
  • · Replies 7 ·
Replies
7
Views
3K
Calculate Quantum Mechanics: The Way
  • · Replies 3 ·
Replies
3
Views
954
Understanding the Path Integral Formulation in Feynman's Theory
  • · Replies 15 ·
Replies
15
Views
3K
Confusion over quantum mechanics operators
  • · Replies 17 ·
Replies
17
Views
2K
Question re: photon interference
  • · Replies 1 ·
Replies
1
Views
1K
Psi Epistemicism & the Reality of Particles & Atoms
  • · Replies 56 ·
2
Replies
56
Views
6K
Feynman rules - where do the imaginary numbers come from?
  • · Replies 3 ·
Replies
3
Views
2K
A festive analogy for interpreting quantum mechanics
  • · Replies 5 ·
Replies
5
Views
2K
Coherence in density matrix formalism
  • · Replies 3 ·
Replies
3
Views
9K
Derivations for Schrodinger's equations for potential step
  • · Replies 4 ·
Replies
4
Views
2K
Bjorken Drell derivation - Lorentz transformation
  • · Replies 3 ·
Replies
3
Views
1K
How do electrons orbit the nucleus?
  • · Replies 12 ·
Replies
12
Views
4K
Could electron scatter off vacuum fluctuations?
  • · Replies 4 ·
Replies
4
Views
1K
Kinetic energy in quantum mechanics
  • · Replies 19 ·
Replies
19
Views
7K
Is the wavefunction/quantum_state in electron interference experiments real?
  • · Replies 17 ·
Replies
17
Views
2K
Are Physical Waves Real Objects?
  • · Replies 6 ·
Replies
6
Views
1K
Incompleteness of Bell's Theorems
  • · Replies 6 ·
Replies
6
Views
2K
Does anyone know what Pilot wave theory is?
  • · Replies 1 ·
Replies
1
Views
1K
Particles that are traveling towards the past
  • · Replies 2 ·
Replies
2
Views
989
Quick question on notation of the Hamiltonian
  • · Replies 2 ·
Replies
2
Views
1K
What does Weinberg–Witten theorem want to express?
  • · Replies 1 ·
Replies
1
Views
1K
Is Kaluza-Klein Theory Relevant to Quantum Mechanics and Non-Locality?
  • · Replies 6 ·
Replies
6
Views
1K
How do we know uncertainty principal isnt ignorance?
  • · Replies 4 ·
Replies
4
Views
1K
Quantum Mechanics documentaries
  • · Replies 2 ·
Replies
2
Views
2K
What Inspired Planck's Quantum Breakthrough in Black-Body Radiation?
  • · Replies 3 ·
Replies
3
Views
2K
How does magnetic interactions happen in proximity?
  • · Replies 1 ·
Replies
1
Views
1K
Is this EM field *due* to charged particle or external?
  • · Replies 6 ·
Replies
6
Views
1K
What is trivial and non-trivial gate in computing?
  • · Replies 5 ·
Replies
5
Views
5K
Linear operator and linear vector space?
  • · Replies 3 ·
Replies
3
Views
982
Continuous set of eigenvalues in matrix representation?
  • · Replies 2 ·
Replies
2
Views
1K
The Path Inetgral and Classical Lagrange
  • · Replies 3 ·
Replies
3
Views
840
Quantum Mechanics Just Got Less Complicated - Really?
  • · Replies 20 ·
Replies
20
Views
3K
Nuclear Spin and Selection Rules
  • · Replies 15 ·
Replies
15
Views
9K
Computation of propagation amplitudes for KG field
  • · Replies 3 ·
Replies
3
Views
2K
Understanding Stable Particles: Neutrons, Electrons, Photons, and Neutrinos
  • · Replies 5 ·
Replies
5
Views
1K
How can a wave have a continuously changing trajectory?
  • · Replies 13 ·
Replies
13
Views
1K
50th anniversary of Bell's theorem
  • · Replies 125 ·
5
Replies
125
Views
10K
Dual Nature of Photon (and such particles) - WHY?
  • · Replies 10 ·
Replies
10
Views
2K
Can Bob & Alice disagree on QM description of experiment?
  • · Replies 4 ·
Replies
4
Views
1K
Two-fold question about wave function
  • · Replies 3 ·
Replies
3
Views
1K
Qubit Math: Partitioning Phi into BetaA and BetaB
  • · Replies 3 ·
Replies
3
Views
1K
Why is Energy Conservation Not Guaranteed?
  • · Replies 1 ·
Replies
1
Views
1K
Alain Aspect's Experiment Explained: Beginner's Guide
  • · Replies 2 ·
Replies
2
Views
4K
Planck's law (wavelength, frequency, angle?)
  • · Replies 1 ·
Replies
1
Views
4K
Where does the 'i' come from in QFT path integral?
  • · Replies 36 ·
2
Replies
36
Views
5K
Are Uncertainty Principles Found in Classical Mechanics?
  • · Replies 22 ·
Replies
22
Views
2K
Limited probabilities : a nonsense ?
  • · Replies 5 ·
Replies
5
Views
1K