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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.

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Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM
1.3K threads
Undergrad Particle vs Wave Interpretations of QM
Undergrad Uncertainty of momentum and position
  • manojr
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Graduate Definition of bi-local measurement by Masanes et al.
  • Sonderval
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Graduate Oscillator Model with Eigenfunctions
  • Vajhe
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Graduate Structure of Matter in Quantum Field Theory
  • DarMM
  • · Replies 75 ·
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High School Quantum entanglement comunication
  • Paulo Jardim
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Undergrad What is the basic scheme of quantum field theories?
  • jonjacson
  • · Replies 87 ·
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Undergrad How Does Schwartz Derive the Schrödinger Equation from QFT?
  • dm4b
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High School Help with Bell states and measurements
  • Joao
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Undergrad Question about noise in entanglement experiments
  • Isa
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Undergrad In NMR, Why does longitudinal magnetization decrease when....
  • OmerKocak
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Graduate How to numerically diagonalize a Hamiltonian in a subspace?
  • Luqman Saleem
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4
Undergrad Exploring the Lamb Shift: G-Factor & Angular Momentum
  • Riverplatense
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High School How are outer products quantum states?
  • Rodia
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3
Graduate Quantum interpretations reduced to absurd, in a nutshell
  • Demystifier
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Graduate What is best way to start learning DMRG for Fermions?
  • Luqman Saleem
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High School Quantum entanglement phenomenon
  • federete
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2
Undergrad What is the relation between chemical potential and the number of particles?
  • Luqman Saleem
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Graduate Does the Bell theorem assume reality?
  • Demystifier
  • · Replies 220 ·
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High School Doesn't the choice of measurement prove free will
  • entropy2information
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Graduate Is QM Foundations Facing a Crisis?
  • Auto-Didact
  • · Replies 31 ·
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High School Help with math in a quantum circuit
  • Joao
  • · Replies 6 ·
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6
Graduate How to choose the number of particles per site in Fermionic DMRG?
  • Luqman Saleem
  • · Replies 1 ·
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Graduate Perturbation solution and the Dirac equation
  • Neutrinos02
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Undergrad Stationary states vs. the unitary time evolution operator
  • LarryS
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Undergrad Electrons and the Pauli exclusion principle
  • Philipsmett
  • · Replies 22 ·
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Graduate Derive / verify Legendre P (cos x)
  • Sparky_
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2
High School Whats the principle behind Schuster Focusing?
  • TachyonLord
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High School Can someone explain to me what's the Schrodingers cat?
  • DeltaForce
  • · Replies 7 ·
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7
Undergrad Electrostatic repulsion at a distance
  • Philipsmett
  • · Replies 6 ·
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6
Undergrad PROOF: Quantum Fidelity with pure states
  • Alex Dingo
  • · Replies 7 ·
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7
Undergrad Human eyes can detect single photons?
  • Auto-Didact
  • · Replies 19 ·
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19
Undergrad Electrons in Quantum Field Theory: A Composite Excitation
  • Philipsmett
  • · Replies 9 ·
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9
Undergrad Phase shift after double-slit for entangled photons
  • boxfullofvacuumtubes
  • · Replies 5 ·
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5
Undergrad "Breaking the loop" in Casimir force?
  • Swamp Thing
  • · Replies 1 ·
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1
Graduate Does Bell's theorem imply nonlocality using a false assumption
  • Ali Lavasani
  • · Replies 6 ·
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6
Undergrad Assumptions made in stationary-state scattering
  • WWCY
  • · Replies 4 ·
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4
High School Entanglement Decay of a proton pair
  • sqljunkey
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2
Undergrad Integration of the Outer Product of a Basis
  • Prometheus18
  • · Replies 1 ·
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1
Undergrad Why is the Phase Shift in Grover's Algorithm Applied to All Elements Except 0?
  • Peter_Newman
  • · Replies 4 ·
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4
Graduate Uncertainty principle, removing infinity in the Fourier Transform
  • ade
  • · Replies 1 ·
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Graduate Quantum Entangled Living Bacteria
  • Auto-Didact
  • · Replies 14 ·
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Undergrad How does magnetism work in QM?
  • S Beck
  • · Replies 2 ·
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2
High School Interference fringes, what if you sample them?
  • David Byrden
  • · Replies 53 ·
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Undergrad C-G coefficients and Angular momentum
  • QuarkDecay
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Undergrad How does an electron interact in QFT?
  • Philipsmett
  • · Replies 6 ·
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6
Undergrad Inner product of a vector with an operator
  • EquationOfMotion
  • · Replies 6 ·
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6
High School Is Uncertainty in Quantum Mechanics a Fundamental Limit or a Measurement Issue?
  • Kevin Chieppo
  • · Replies 9 ·
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9
High School Are Quantum Entities in Macro Sized Objects Entangled?
  • Robert Friz
  • · Replies 22 ·
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22
Undergrad Qualitative description of particles in QFT
  • Geofleur
  • · Replies 15 ·
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15
Undergrad Calculate Revival Time of a Wave in Griffiths' QM 2nd Ed.
  • Abhishek11235
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Undergrad Complex conjugate of an inner product
  • Pablo315
  • · Replies 2 ·
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2
Undergrad Why particles have group velocity?
  • arda
  • · Replies 7 ·
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7
Undergrad Electron Repulsion in QFT: How Does It Work in Quantum Field Theory?
  • Philipsmett
  • · Replies 5 ·
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5
High School Understanding Entangled Electrons: Creation, Isolation, and Observation
  • RJ Emery
  • · Replies 8 ·
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8
Undergrad How does stimulated emission work in the process of light amplification?
  • Albarok
  • · Replies 6 ·
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6
Undergrad Integration being unchanged after rotation
  • AndrewGRQTF
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2
Undergrad Do I need energy to measure position without uncertainty?
  • gmastrogiovanni
  • · Replies 5 ·
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5
Undergrad Visualizing the Attached EM Field for Free Electron in QFT
  • CSnowden
  • · Replies 19 ·
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19
Undergrad Novel Schrodinger equation examples for 1D
  • learn.steadfast
  • · Replies 5 ·
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5
Undergrad Casimir force and the Vacuum Field
  • Swamp Thing
  • · Replies 13 ·
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13
Undergrad Double slit with a quarter wave polarizer on one slit
  • Marco Masi
  • · Replies 3 ·
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3
High School NOVA Show on Einstein and Quantum Entanglement
  • jedishrfu
  • · Replies 9 ·
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9
Graduate Dipole moment of an isolated quantum system
  • Sheldon Cooper
  • · Replies 2 ·
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2
Undergrad One-Dimensional System: Boundary Condition Applicability
  • GANTI_RAVITEJA
  • · Replies 1 ·
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Insights How I Stopped Worrying and Learned to Love Orthodox Quantum Mechanics - Comments
  • Demystifier
  • · Replies 287 ·
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Graduate Wave functions for positrons and electrons
  • friend
  • · Replies 5 ·
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5
Undergrad Franck-Hertz: Overall behaviour of the current
  • greypilgrim
  • · Replies 1 ·
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1
Undergrad Why does a mercury Franck-Hertz tube produce visible light?
  • greypilgrim
  • · Replies 3 ·
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3
High School Superposition of traps (thought experiment)
  • PaleMoon
  • · Replies 4 ·
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4
Undergrad Annihilation vs. Creation Operators: What's the Difference?
  • gerald V
  • · Replies 3 ·
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3
Undergrad Quantum Oscillator in 1D: How Can a Real Particle Have an Imaginary Velocity?
  • RealKiller69
  • · Replies 3 ·
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3
High School Are all particles and photons entangled?
  • jjfromspace
  • · Replies 1 ·
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Graduate The effect of macroscopic quantum phenomena on human evolution
  • alphajoza
  • · Replies 1 ·
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1
Graduate The different interference patterns in the double-slit experiment
  • fluidistic
  • · Replies 1 ·
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1
Undergrad The component of the total spin in the direction of H
  • Another
  • · Replies 1 ·
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1
Undergrad Quantum Physics in Biology & Medicine: Research & Advances
  • nnope
  • · Replies 8 ·
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8
Undergrad Understanding the Spin-Statistics Theorem: A Modern Notation Approach
  • filip97
  • · Replies 4 ·
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4
Undergrad Info traveling faster than light, and quantum entanglement
  • bobtom
  • · Replies 7 ·
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7
Undergrad Diffraction experiments with one particle at a time?
  • Sandeep T S
  • · Replies 8 ·
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8
Undergrad Math: classical to quantum locality
  • awcrowe
  • · Replies 12 ·
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12
High School The Spectral Gap and Quantum Vacuum Fluctuations
  • Cerenkov
  • · Replies 2 ·
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2
Undergrad Hermitian and expectation values.... imaginary?
  • learn.steadfast
  • · Replies 20 ·
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20
Graduate Entangled wave function solved perturbatively
  • friend
  • · Replies 1 ·
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1
Graduate Quantum mechanical integral equation problem
  • bkmtkm
  • · Replies 2 ·
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2
Undergrad Please help explain the probability density function
  • Another
  • · Replies 2 ·
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2
Undergrad Space and time dependence of entangled particles
  • friend
  • · Replies 2 ·
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2
Undergrad Double-slit experiment: Alternating results
  • mk9898
  • · Replies 11 ·
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11
Graduate Particle Spinning: Why and What Happens If They Stop?
  • Kanishka Toshniwal
  • · Replies 31 ·
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Undergrad Wave function collapse in a double slit experiment
  • Sandeep T S
  • · Replies 6 ·
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6
Undergrad How close do electrons and positrons have to be to interact?
  • Cato
  • · Replies 4 ·
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4
Undergrad Why we do not need the total Lagrangian?
  • fxdung
  • · Replies 10 ·
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Graduate Quantum fields and the harmonic oscillator
  • Higgsono
  • · Replies 4 ·
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4
High School Why Do We See Distinct Lines in Atomic Emission and Absorption Spectra?
  • black hole 123
  • · Replies 17 ·
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Undergrad Hyperfine structure - Hamiltonian and bases
  • Teri
  • · Replies 1 ·
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1
Undergrad Is the electromagnetic field of an electron in QFT a real physical field?
  • Philipsmett
  • · Replies 11 ·
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11
Undergrad What is the significance of coupling in surface plasmons and plasmon polaritons?
  • Avardia
  • · Replies 1 ·
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1
Undergrad Polarization of light and probability
  • rasp
  • · Replies 17 ·
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17
Undergrad Understanding Redshift: The Role of Relative Motion between Emitter and Absorber
  • Harry17
  • · Replies 2 ·
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2
Undergrad Difference between preparing and measuring
  • rasp
  • · Replies 15 ·
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15
High School Layman question about faster than light communication
  • mataku
  • · Replies 56 ·
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