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

Undergrad New interpretation for the double slit experiment with light?
Graduate Why the carrying force fields must be the fields of Boson particles?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Density matrix's non-diagonal components
  • · Replies 6 ·
Replies
6
Views
6K
Graduate Can anyone recommend a text on quantum mechanics based on commutators?
  • · Replies 10 ·
Replies
10
Views
4K
Graduate Quantum Eraser and Its Implications
  • · Replies 82 ·
3
Replies
82
Views
16K
Graduate Quantum Levitation: Examining Effects of Aerogel
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Verification of probabilities for various states
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How do you integrate the Hopf term in 2+1 dimensions?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Zeeman effect, something I'm not understanding, about history
  • · Replies 2 ·
Replies
2
Views
2K
Graduate I want to understand positive operator valued measures in QM
  • · Replies 10 ·
Replies
10
Views
7K
  • Poll Poll
Graduate Questions regarding a paradox.
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why Can't Free-Particle Wave Functions Be Normalized Over Their Entire Range?
  • · Replies 6 ·
Replies
6
Views
6K
Graduate Quantum control of a looped beam.
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Normalization of a free particle quantum state
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Why wave function should goto 0 f faster than 1/sqrt(x) at infinity
  • · Replies 5 ·
Replies
5
Views
8K
Graduate Photon Average Energy in a Cavity Resonator
  • · Replies 6 ·
Replies
6
Views
6K
Graduate Learning Dirac Notation: Writing Hamiltonian for 3 States
  • · Replies 7 ·
Replies
7
Views
3K
Graduate How Are Planck Time and the Expression \(\sqrt{\frac{\hbar c^5}{G}}\) Related?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Does Quantum Mechanics Allow for a Time Operator?
  • · Replies 17 ·
Replies
17
Views
8K
Graduate Is the Uncertainty Principle affected by the number of particles in a system?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Two hydrogen atom with same spin can form H_2?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate What is an Observer in Quantum Physics?
  • · Replies 15 ·
Replies
15
Views
6K
Graduate Proving Shouten identity in QFT
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Classically predicted ionisation energy of H
  • · Replies 15 ·
Replies
15
Views
5K
Graduate Wavepacket Dispersion and how this links to particle behaviour
  • · Replies 12 ·
Replies
12
Views
6K
Graduate The quantomic oscillator's amplitude
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Why does Lagrangian in QFT only include first order derivative of field?
  • · Replies 10 ·
Replies
10
Views
6K
Graduate Understanding the Significance of Eigenvalues in Quantum Mechanics and Physics
  • · Replies 6 ·
Replies
6
Views
3K
Graduate What corresponds to a static field in QFT
  • · Replies 24 ·
Replies
24
Views
7K
Graduate How Does Polarization Relate to Photon Degeneracy?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Heisenburg's Uncertainty Principal and the definition of randomness
  • · Replies 20 ·
Replies
20
Views
5K
Graduate What is the physical system that follows the Pauli exclusion principle?
  • · Replies 13 ·
Replies
13
Views
5K
Graduate Quantum entanglement and wireless electricity
  • · Replies 6 ·
Replies
6
Views
8K
Graduate 1st order pertubation on 2 level system
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Could Zero-Point Energy Be Weaponized?
  • · Replies 1 ·
Replies
1
Views
7K
Graduate 1st order Pertubation energy and wavefunction
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Light intensity and polarization
  • · Replies 3 ·
Replies
3
Views
5K
Graduate Position and Momentum Operators
  • · Replies 3 ·
Replies
3
Views
4K
Graduate If all states are stationary, what causes atoms to radiate then?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate My personal criticism to Quantum theory and Human conscience
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Fine structure correction in H atom
  • · Replies 2 ·
Replies
2
Views
3K
Graduate 2 Time Dimension in the Quantum Realm?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Why Consider Our Position Between Past and Future in Quantum Physics?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Solution of Schrodinger equation for free electron
  • · Replies 3 ·
Replies
3
Views
7K
High School Does light lose any any energy in a vacuum?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Need a book that explains linear vector space
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Pesking & Schroeder Eqn 3.18 (Lorentz algebra)
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Updates on Penrose Quantum Mirror Experiment
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Pauli Matrices: Calculating Expression
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Misunderstanding about measuring the spin of the electron
  • · Replies 21 ·
Replies
21
Views
6K
Graduate Scattering theory - Regular solution
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Is light a photon or a wave? (concrete question)
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Help Solve a Puzzling Two-Level Atom Problem
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Are Units Truly Fundamental in Physics According to Duff's Theory?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Do Gravitons Attract Other Gravitons?
  • · Replies 4 ·
Replies
4
Views
8K
Graduate Can neutrons be used to stablize other particles?
  • · Replies 10 ·
Replies
10
Views
4K
Graduate Is the following correct about virtual particles
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Hamiltonian with position spin coupling
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How Virtual Particles Give Rise to the electromagnetic force
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Wigner Matrix or Wigner D-Matrix?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Do Electrons Behave Like Bar Magnets?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Poker Entanglement: Is Quantum Mechanics the Key to Winning?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Electronic Excitation: Absorbing and Re-emitting Photons
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Entanglement & GR: Can We Measure Universe Info?
  • · Replies 13 ·
Replies
13
Views
3K
Graduate Feynman's QED: Is it Still Relevant Today?
  • · Replies 28 ·
Replies
28
Views
7K
Graduate Are wave functions and quantum waves synonyms?
  • · Replies 6 ·
Replies
6
Views
3K
Undergrad LS Coupling Scheme Explained - Get Help Now
  • · Replies 3 ·
Replies
3
Views
12K
Undergrad Alpha Decay from Uranium: Electrical or Strong Nuclear Force?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate A Bell Theorem with no locality assumption?
  • · Replies 79 ·
3
Replies
79
Views
19K
Graduate New (apparent) confirmation of virtual particles.
  • · Replies 21 ·
Replies
21
Views
5K
Graduate Is biological life a product of a probability wave
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Quantum fluctuations and momentum
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Virtual particles and quantum fluctuation
  • · Replies 25 ·
Replies
25
Views
7K
Undergrad Phonon vs Photon: What's the Difference?
  • · Replies 13 ·
Replies
13
Views
8K
Graduate Physical significance of normalizing a wave function?
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Quantization of vector field in the Coulomb gauge
  • · Replies 4 ·
Replies
4
Views
3K
Graduate The double slit and wave particle nature.
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What is the definition of particle(s) in QM?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Electric charge in quantum field theory
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Square of modified Dirac equation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Where in physics does randomness occur?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Stability of Unstable Particles at High Energies: Third Generation
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Calculating Vacuum Fields at Different Frequencies
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is True Randomness Possible in Our Determined Universe?
  • · Replies 25 ·
Replies
25
Views
6K
Graduate Typo error or correct wavefunction?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate What is the explanation for the sequence in the Mandl QFT textbook (p.53)?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Why Is Spin-Orbit Coupling Selective in Phosphorescence Transitions?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad I am trying to figure out how to refer to two overlapping uncertainty
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Propagator for matrix fields (based on Srednicki ch80, p490)
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Observation Techniques: Brian Green's NOVA Show & Quantum Physics
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Expectation value of a product of operators
  • · Replies 3 ·
Replies
3
Views
7K
Graduate How to form a picture in mind of coherent state?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Speed of transmission in quantum entanglement
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Fate and Schrodinger's Equation
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Schrodinger's Cat - your opinions
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Schrödinger equation in momentum space and number of solutions
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Stress energy tensor in extended standard model
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Partial Trace Q: Meaning & Info Explained
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Is there an interference pattern within a non-interference pattern?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Can the 'shape' of the universe be described at the Plank scale?
  • · Replies 14 ·
Replies
14
Views
4K
Graduate EPR and Lorentz transformation
  • · Replies 13 ·
Replies
13
Views
4K