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

I Question about discussions around quantum interpretations
Can the Casimir Effect prevent the formation of singularities in black holes?
  • · Replies 1 ·
Replies
1
Views
2K
Diagonalizing Hamiltonian for Multi-Qubit Ising Model
  • · Replies 3 ·
Replies
3
Views
2K
Is Planck Time Truly a Proven Concept or Still Theoretical?
  • · Replies 4 ·
Replies
4
Views
3K
Does electromagnetic radiation occupy space ? How much?
  • · Replies 4 ·
Replies
4
Views
4K
Critical Exponents for Quantum Phase Transitions
  • · Replies 1 ·
Replies
1
Views
2K
Does Quantum Theory Offer a Physical Interpretation of Matter Waves?
  • · Replies 14 ·
Replies
14
Views
6K
QM Text with many worked examples
  • · Replies 5 ·
Replies
5
Views
4K
KT where k is Boltzmann constant times the absolute temperature.what
  • · Replies 2 ·
Replies
2
Views
4K
What is Flavor Physics and How Does it Relate to QCD Theory in QFT?
  • · Replies 1 ·
Replies
1
Views
2K
Understanding Time-Independent Schrodinger Equation
  • · Replies 1 ·
Replies
1
Views
2K
QM Measurement: Randomness Explained
  • · Replies 8 ·
Replies
8
Views
3K
Could elementary particles be quasi-particles?
  • · Replies 1 ·
Replies
1
Views
3K
How Electrons Knock Other Electrons & Create Vacancies
  • · Replies 6 ·
Replies
6
Views
2K
Understanding Spectral Scattering of Nanomaterials
  • · Replies 1 ·
Replies
1
Views
2K
Double-Slit Detector: How Physicists Detect Particles
  • · Replies 3 ·
Replies
3
Views
2K
How do electrons couple to gauge field?
  • · Replies 36 ·
2
Replies
36
Views
8K
How Do Spin and Photon Interactions Affect Electron Excited States?
  • · Replies 1 ·
Replies
1
Views
2K
Few questions on Dirac's Principles of QM.
  • · Replies 2 ·
Replies
2
Views
2K
How are room temperature photons produced?
  • · Replies 7 ·
Replies
7
Views
3K
Schrodinger equation significance
  • · Replies 8 ·
Replies
8
Views
3K
Can one identify the vacuum state of a photon?
  • · Replies 10 ·
Replies
10
Views
3K
Can Photons Bounce Back? | Meeting of Photons Hello!
  • · Replies 13 ·
Replies
13
Views
3K
QFT: Understanding Creation & Destruction Operators
  • · Replies 19 ·
Replies
19
Views
4K
Vibration of Photons: Do Photons Oscillate?
  • · Replies 3 ·
Replies
3
Views
6K
Is Hidden Symmetry Broken In Linear and Nonlinear Sigma Model?
  • · Replies 2 ·
Replies
2
Views
2K
Do Minute Black Holes Appear and Disappear in Empty Space?
  • · Replies 1 ·
Replies
1
Views
2K
Do we have Any idea why the uncertainty principle occurs?
  • · Replies 8 ·
Replies
8
Views
3K
Energy as rate-of-phase-change
  • · Replies 1 ·
Replies
1
Views
2K
Could a high electric field pull particles out of the vacuum?
  • · Replies 7 ·
Replies
7
Views
4K
Understanding Probability and Particle Behavior in Double-Slit Experiments
  • · Replies 3 ·
Replies
3
Views
2K
Time evolution operator - Confusion
  • · Replies 2 ·
Replies
2
Views
3K
Question on Uncertainty Principle
  • · Replies 6 ·
Replies
6
Views
3K
Commutators on a discrete QM lattice = ?
  • · Replies 1 ·
Replies
1
Views
3K
Born rule derived from pure QM by Max Tegmark
  • · Replies 21 ·
Replies
21
Views
5K
John's Puzzling Question: Why Frequency is Responsible for Photoelectric Effect?
  • · Replies 17 ·
Replies
17
Views
3K
Splitting photons are entangled?
  • · Replies 5 ·
Replies
5
Views
6K
Conjugate of amplitude with imag. # in exponent and out of exponent?
  • · Replies 1 ·
Replies
1
Views
2K
What is the origin of infrared divergence?
  • · Replies 2 ·
Replies
2
Views
6K
The Illusion of Free Will in the Context of Time Travel and Paradoxes
  • · Replies 122 ·
5
Replies
122
Views
16K
Do you have to use a Beta-barium borate crystal in order to entangle photons?
  • · Replies 2 ·
Replies
2
Views
2K
Why Do Some Books Only Consider Zero Mass Limit for Renormalization Group?
  • · Replies 2 ·
Replies
2
Views
3K
What is the meaning of quantum in quantum mechanics?
  • · Replies 4 ·
Replies
4
Views
2K
Why we call ''nonlinear'' sigma model?
  • · Replies 1 ·
Replies
1
Views
2K
Two Degrees of Freedom for Photons - Energy & Momentum
  • · Replies 3 ·
Replies
3
Views
3K
Is this a reasonable analogy for quantum tunnelling?
  • · Replies 6 ·
Replies
6
Views
4K
Layman's question on Quantum decoherence
  • · Replies 8 ·
Replies
8
Views
3K
Need an Exact Explanation of the Double Slit Experiment
  • · Replies 12 ·
Replies
12
Views
3K
Problem about scattering amptitude
  • · Replies 1 ·
Replies
1
Views
2K
Can a wavefunction change from normalizable to non-normalizable over time?
  • · Replies 23 ·
Replies
23
Views
12K
Question about applying the Pauli Exclusion Principle
  • · Replies 2 ·
Replies
2
Views
2K
Confusion (7) from Weinberg's QFT.(Why is there a vacuum field)
  • · Replies 9 ·
Replies
9
Views
3K
Alternative histories and photon
  • · Replies 2 ·
Replies
2
Views
2K
Quantum states and complex numbers - newbie question
  • · Replies 1 ·
Replies
1
Views
2K
Is superluminal communication possible?
  • · Replies 5 ·
Replies
5
Views
3K
Dispersion relation and group velocity
  • · Replies 3 ·
Replies
3
Views
3K
Black Body Radiation: Classical Equipartition vs Boltzmann Distribution
  • · Replies 1 ·
Replies
1
Views
2K
Measurement of (brightness of) double slit experiment
  • · Replies 5 ·
Replies
5
Views
3K
When and how does entanglement end?
  • · Replies 1 ·
Replies
1
Views
2K
How Does Quantum Scattering Theory Connect to Electromagnetic Waves?
  • · Replies 2 ·
Replies
2
Views
2K
Motion of a photoelectron
  • · Replies 11 ·
Replies
11
Views
3K
I need an explanation behind this calculation
  • · Replies 2 ·
Replies
2
Views
2K
Eigenvectors of the Hamiltonian
  • · Replies 2 ·
Replies
2
Views
7K
Can macroscopic objects interfere with themselves like quantum particles?
  • · Replies 4 ·
Replies
4
Views
3K
Wave nature of electron, interference and standing waves
  • · Replies 6 ·
Replies
6
Views
4K
What does quantum mechanical mean?
  • · Replies 21 ·
Replies
21
Views
6K
What causes wavefunction collapse?
  • · Replies 33 ·
2
Replies
33
Views
12K
Could Consciousness Alter Early Physics after the Big Bang?
  • · Replies 6 ·
Replies
6
Views
6K
Entanglement between the Future and the Past in the Quantum Vacuum
  • · Replies 1 ·
Replies
1
Views
2K
How Does the Pauli Exclusion Principle Influence Orbital Stability in Atoms?
  • · Replies 4 ·
Replies
4
Views
4K
Can an atom be anywhere in space?
  • · Replies 5 ·
Replies
5
Views
2K
Is action at a distance possible as envisaged by the EPR Paradox.
  • · Replies 2K ·
51
Replies
2K
Views
214K
Wavefunction Collapse: Measuring Electron Spin
  • · Replies 8 ·
Replies
8
Views
3K
Degenerate Perturbation Theory Wavefunction Correction
  • · Replies 2 ·
Replies
2
Views
4K
Propagator counterterm in phi^4
  • · Replies 4 ·
Replies
4
Views
9K
Using the Double Slit Experiment & encoding photons with binary data
  • · Replies 4 ·
Replies
4
Views
3K
Pauli matrices forming a basis for 2x2 operators
  • · Replies 2 ·
Replies
2
Views
12K
Quantum Mechanics: Particles & Position Explained
  • · Replies 6 ·
Replies
6
Views
4K
How to derive a numerator relation in vertex correction in Peskin p191
  • · Replies 1 ·
Replies
1
Views
3K
Can Electrons Absorb Photons With Different Energy Levels?
  • · Replies 2 ·
Replies
2
Views
2K
Calculating Zero Point Energy with DVR
  • · Replies 1 ·
Replies
1
Views
3K
Is V_{eff} truly the density of effective action in QFT?
  • · Replies 1 ·
Replies
1
Views
3K
How Does New Macroscopic Entanglement Impact the Future of Teleportation?
  • · Replies 4 ·
Replies
4
Views
2K
Photons, what makes them a act like a wave?
  • · Replies 2 ·
Replies
2
Views
3K
Hi,Can anyone explain why in field theory we require [f*(x),f(y)]
  • · Replies 1 ·
Replies
1
Views
2K
What is the Operator Product Expansion in Interacting Field Theory?
  • · Replies 3 ·
Replies
3
Views
3K
Dimensional Regularisation - Contracting/Commuting Gamma Matrices
  • · Replies 3 ·
Replies
3
Views
4K
Understanding Fock Spaces: Explanation and Examples
  • · Replies 3 ·
Replies
3
Views
3K
Cant understand similar proof Quantum numbers from PDE (pdf attachment)
  • · Replies 1 ·
Replies
1
Views
2K
Does particle at rest behave as wave?
  • · Replies 13 ·
Replies
13
Views
4K
Why do we only average and sum over two independent polarizations in scattering?
  • · Replies 1 ·
Replies
1
Views
2K
Zero momentum distribution and consequences on uncertainty principle
  • · Replies 6 ·
Replies
6
Views
3K
Quantum Particle Momentum Measurement: Theoretical and Practical Considerations
  • · Replies 7 ·
Replies
7
Views
3K
H|0> = 0? Does that mean that zero-point is ZERO?
  • · Replies 7 ·
Replies
7
Views
3K
Double slit experiment & time (action at a distance?)
  • · Replies 17 ·
Replies
17
Views
4K
How Does Electron Spin Orbit Influence Ferromagnetic Transformer Functionality?
  • · Replies 4 ·
Replies
4
Views
5K
Schrodinger Equation for a Bra Vector
  • · Replies 3 ·
Replies
3
Views
5K
How does a photon gain momentum?
  • · Replies 1 ·
Replies
1
Views
2K
Does a modulated electromagnetic wave contain photons of different energy?
  • · Replies 11 ·
Replies
11
Views
4K
Weinberg QFT I: Lorentz Transformation with interaction
  • · Replies 6 ·
Replies
6
Views
3K
Is there molecular friction and movement in balanced loads at the quantum level?
  • · Replies 1 ·
Replies
1
Views
2K