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 Violating uncertainity principle
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad How does electron change properties of matter?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Double slit experiment with spin
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Asymptotic behaviour after perturbation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Double slit experiment in a Bubble Chamber
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Solving for E(0) in Equation: Vacuum Permittivity
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad How to switch between momentum/real space
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is Time Discrete or Continuous?
  • · Replies 1 ·
Replies
1
Views
19K
Graduate Weinberg Vol 1: Understanding Index Arrangement in (2.4.8) LT Transformations
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Constructing Optimal Unitary Operators for Distinguishing Quantum States
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Delta-function potentials, scattering states
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Another confusion: How many measurements is many ?
  • · Replies 15 ·
Replies
15
Views
3K
Graduate Discussing Exciting Topics in Quantum Optics
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad What is the correct order of operations for differentiating r^2 with 2/r*d/dr?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Charge of down, up , electron; (-1/3, 2/3, -1)*3 more natural?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Why do electrons in lower atomic orbits have smaller wavelengths?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Diagonalization of large non-sparse matrices
  • · Replies 9 ·
Replies
9
Views
10K
Graduate How can energy be quantized with E=hv
  • · Replies 28 ·
Replies
28
Views
43K
Graduate Stationary Perturbation Theory
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Calculation of probabilities in QM
  • · Replies 7 ·
Replies
7
Views
2K
Graduate Solving Double Square Well Potential - Physical Chemistry Homework
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Angular momentum commutator derivation
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Quantum Electronics: Basics, Applications, Semiconductor Lasers
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Is the entanglement of photons necessary for interference?
  • · Replies 40 ·
2
Replies
40
Views
8K
Graduate A local deterministic theory that violates Bell's inequaities
  • · Replies 116 ·
4
Replies
116
Views
17K
Graduate Intuitive Understanding for Commutation
  • · Replies 9 ·
Replies
9
Views
5K
Graduate Regarding the observer effect.
  • · Replies 6 ·
Replies
6
Views
3K
Graduate SUSY computational questions:dots
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Eigenvalue plots Tannoudji's Quantum Mechanics Vol. II
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Calculating the Stark Effect (Spectral line splitting)?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Time as a series of interactions
  • · Replies 16 ·
Replies
16
Views
3K
Graduate What are the equation(s) that determine free electron wave amplitude?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Ensemble average in quantum computing
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Concerning the momentum operator
  • · Replies 4 ·
Replies
4
Views
2K
Graduate A very simple question re: entangled photons
  • · Replies 17 ·
Replies
17
Views
4K
Graduate Uncertainty Principle and energy of an electron
  • · Replies 3 ·
Replies
3
Views
3K
Graduate How is flavor symmetry breaking achieved in massless quarks?
  • · Replies 9 ·
Replies
9
Views
4K
Graduate Does Photoelectric Conversion Affect Momentum Transfer in Solar Sails?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Also about the Planck hypothesis
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Wavelength in QM: Definition & Measurement
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Direct Product Basis for Interacting Systems
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Short question: Spontaneous emission from Feynman diagrams?
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Double Slit Experiment - Blind Observer
  • · Replies 15 ·
Replies
15
Views
13K
Graduate How Does a Quantum Computer Function?
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Quantum Probability: Sets & Complex Numbers
  • · Replies 2 ·
Replies
2
Views
2K
Graduate How Does Quantum Superposition Explain Probability in Wavefunctions?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Calculating Eigenkets from Matrix w/ Orthonormal Basis
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Debunking the Newtonian Model: Why Photons and Basketball Comparison Falls Short
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Energy quantization in schrodinger equation
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Commutator of the density operator
  • · Replies 3 ·
Replies
3
Views
7K
Graduate Is 137 the Maximum Number of Atoms That Can Be Made?
  • · Replies 16 ·
Replies
16
Views
5K
Undergrad Electron Movement: Helium Model Explained
  • · Replies 14 ·
Replies
14
Views
4K
Graduate Explain Adjoint of Commutator Identity in Second Quantization
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Confusion about getting uncertainty by using differetiation.
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Aren't Entanglement & Uncertainty mutually exclusive?
  • · Replies 22 ·
Replies
22
Views
4K
Undergrad Why does m*c*c not equal 0 in the theory of relativity?
  • · Replies 14 ·
Replies
14
Views
2K
Graduate Mass falling to ground (uncertainty principle)
  • · Replies 5 ·
Replies
5
Views
9K
Undergrad What is the Nature of Photons?
  • · Replies 52 ·
2
Replies
52
Views
9K
Graduate Is time reversible in Quantum Math?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate If i stand still , you cant find me
  • · Replies 3 ·
Replies
3
Views
2K
Graduate What exactly is the solution for principle of locality and speed of light?
  • · Replies 70 ·
3
Replies
70
Views
9K
Graduate Difference between SU(N)xU(1) and U(N)?
  • · Replies 11 ·
Replies
11
Views
16K
Graduate Quick question on the Schrodinger symmetry group
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Wave Properties of Electrons and their Atomic Orbitals
  • · Replies 29 ·
Replies
29
Views
9K
Graduate Have one photon at a time edge diffraction experiments been conducted?
  • · Replies 19 ·
Replies
19
Views
7K
Graduate Naive picture of understanding Spin-Orbit Coupling
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Quantized energy in infinite potential well
  • · Replies 9 ·
Replies
9
Views
5K
Graduate Physical Significance of the Product Av for Non-Eigenvector States
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Poisson brackets, commutators, transformations
  • · Replies 3 ·
Replies
3
Views
8K
Graduate A newbies question on randomness.
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Can we predict element decay using Quantum mechanics?
  • · Replies 12 ·
Replies
12
Views
5K
Graduate Solution to the Problem of Correlation of Matter and Field
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Could someone explain the Schrodinger's Cat experiment to me?
  • · Replies 38 ·
2
Replies
38
Views
30K
Graduate Uncertainty principle and limit of momentum.
  • · Replies 5 ·
Replies
5
Views
2K
Graduate What are postulates and what are derived?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Is anything physically impossible in quantum mechanics?
  • · Replies 10 ·
Replies
10
Views
4K
Graduate Bundle of tiny randomly orientated magnets through a Stern-Gerlach app
  • · Replies 11 ·
Replies
11
Views
3K
Graduate Quantum harmonic oscillator minimum energy
  • · Replies 11 ·
Replies
11
Views
5K
Undergrad Stimulated Emission: Intuitive Explanation Needed
  • · Replies 1 ·
Replies
1
Views
5K
Graduate Why Are All Photons in a Laser Beam Coherent?
  • · Replies 4 ·
Replies
4
Views
7K
Graduate Thermodynamic Basis of the Exclusion Principle
  • · Replies 8 ·
Replies
8
Views
2K
Graduate What is the Source of the Positive Charge of a Proton?
  • · Replies 11 ·
Replies
11
Views
6K
  • Poll Poll
Graduate Debate Macroscopic Realism: Define or Disbelieve?
  • · Replies 84 ·
3
Replies
84
Views
14K
Undergrad Planck's Constant: Determining Avogadro Number
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Self-reference, measurment and entanglement
  • · Replies 1 ·
Replies
1
Views
1K
Graduate How Does Heisenberg's Microscope Observe Electrons Outside the Aperture Angle?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Controlling Spin of an Entangled Particle, Causality
  • · Replies 17 ·
Replies
17
Views
6K
Undergrad Carrier Mobility of a semiconductor
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Electromagnetic fields around neutrons?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Quantum Gravity Research: Bohmienne Quantum Gravity Documentation
  • · Replies 3 ·
Replies
3
Views
2K
Graduate The wave equation in a Black Hole.
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Bell inequality tests questions
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Correlation Functions in Path Integral Formulation of QFT
  • · Replies 2 ·
Replies
2
Views
5K
Graduate What is a measurement? (layperson question)
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Spin & Energy Levels: Can a Proton Have One Energy Level?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Does Quantum Physics Challenge Our Understanding of Reality?
  • · Replies 14 ·
Replies
14
Views
6K
Graduate Have magnetic monopoles been detected?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is there slight evidence we live in block universe?
  • · Replies 4 ·
Replies
4
Views
4K
Can anyone assist with obtaining a copy of Birgit Dopfer's Phd thesis?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Hermitian operators in schrodinger eqn.
  • · Replies 1 ·
Replies
1
Views
2K