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.
Threads
Undergrad Complex scalar field commutation relations
- TeethWhitener
- · Replies 16 ·
High School "probability of finding the electron" (teaching QM)
- Borek
- · Replies 24 ·
High School Is energy really probabilistic in quantum mechanics?
- cube137
- · Replies 5 ·
Undergrad Wave function of electrons and the double slit experiment
- rahaverhma
- · Replies 2 ·
High School Does an electron orbit in a plane from its own reference frame?
- Doomsday92
- · Replies 4 ·
Undergrad Schrodinger equation and Heisenberg equation of motion
- Josh1079
- · Replies 4 ·
Undergrad The nature of quantum interference
- Mentz114
- · Replies 4 ·
Undergrad Proposal for a peculiar double-slit experiment
- Pelion
- · Replies 11 ·
Undergrad The propagator and the Lagrangian
- redtree
- · Replies 7 ·
High School Can retrocausality explain the wave properties in the double slit experiment?
- Realgent
- · Replies 6 ·
Graduate Anomalous field dimension in the on-shell scheme
- aqualone
- · Replies 1 ·
Graduate Majorana Lagrangian and Majorana/Dirac matrices
- mbond
- · Replies 3 ·
High School What Happens to High-Energy Particles in Cosmic Rain?
- Suppaman
- · Replies 3 ·
High School "travel time" of appearing and disappearing?
- Suppaman
- · Replies 11 ·
High School Delayed choice quantum eraser experiment interference pattern question
- livethere
- · Replies 5 ·
Undergrad Why aren't all particles entangled if they originated in the big bang?
- Eridu
- · Replies 4 ·
High School Local Hidden Variable Model That Equals QM Predictions?
- Point Conception
- · Replies 21 ·
Undergrad What is the Significance of Isospin Components in Particle Physics?
- smartypants123
- · Replies 3 ·
Undergrad Regarding consciousness causing wavefunction collapse
- Trollfaz
- · Replies 81 ·
High School Does precise momentum guarantee precise energy?
- LarryS
- · Replies 10 ·
High School Are Molecules Entangled Across Distances in Biochemistry?
- Rainbows_
- · Replies 2 ·
Undergrad Does the wave function shorten when approaching light speed?
- KBon
- · Replies 2 ·
High School Understanding Atomic Systems: Nucleus and Electrons in a Constant State
- Rainbows_
- · Replies 21 ·
Undergrad Zeeman effect after a Stern-Gerlach experiment
- svletana
- · Replies 3 ·
Graduate Why do we use BRST in Yang Mills and where does it come from?
- formodular
- · Replies 3 ·
High School How do electrons behave when energy is added to an atom's ground state?
- Arup Biswas
- · Replies 2 ·
High School Examples of multiple entanglements
- mieral
- · Replies 4 ·
Undergrad Does spatial entanglement reduce total classical entropy?
- LarryS
- · Replies 10 ·
Graduate Photon propagator in Coulomb gauge
- lalo_u
- · Replies 7 ·
Undergrad Spherical Harmonics from operator analysis
- davidge
- · Replies 13 ·
Undergrad Absorption rate on a quantised EM field
- brunow
- · Replies 1 ·
Undergrad Deriving the path integral from the propagator and Lagrangian
- redtree
- · Replies 6 ·
Undergrad Is Entropic Uncertainty Principle taken seriously in QM?
- LarryS
- · Replies 1 ·
Undergrad Revisiting Heisenberg's Uncertainty Principle: Is There Room for Improvement?
- chitranshgtm
- · Replies 5 ·
Graduate Why count principal G bundles in topological field theory
- nateHI
- · Replies 10 ·
Undergrad Why not calculate the "trajectory" of a wave function
- zhouhao
- · Replies 6 ·
Undergrad Using timelike Killing vectors to construct positive and negative frequency modes
- Frank Castle
- · Replies 27 ·
Undergrad 'Normalisation' of Fourier Transforms in QFT
- tomdodd4598
- · Replies 1 ·
Undergrad SO(2n) representation on n complex fields
- hideelo
- · Replies 4 ·
Undergrad How is the CSCO in an harmonic oscillator?
- Dario SLC
- · Replies 6 ·
Undergrad Why isn't the photon energy h nu over two?
- DaveLush
- · Replies 3 ·
Undergrad Defining vector operators coordinate-independently in Hilbert space
- David Olivier
- · Replies 37 ·
Undergrad Can light be entangled in polarization and still exhibit interference?
- Erik Ayer
- · Replies 12 ·
High School Photon producing Electron-Positron pair's effect on c.
- abilolado
- · Replies 2 ·
Graduate Constant Solutions of Real Scalar Field
- hilbert2
- · Replies 5 ·
High School Does zero wavelength correspond to infinite energy?
- Sam_A
- · Replies 3 ·
Undergrad How does measurement work in a two particle universe?
- FallenApple
- · Replies 3 ·
Undergrad Decoherence Pure States Into Mixed States
- Electric to be
- · Replies 2 ·
Graduate Calculating Einstein's coefficients in QFT vs equilibrium
- alemsalem
- · Replies 11 ·
Undergrad If electromagnetic waves propagate, do photons as well?
- calinvass
- · Replies 7 ·
Undergrad How do we interpret an EM wave using Quantum Mechanics?
- calinvass
- · Replies 7 ·
Undergrad Questions about the Dirac delta
- Isaac0427
- · Replies 26 ·
Undergrad Two-Level Atom Driven by Two Lasers?
- Twigg
- · Replies 0 ·
High School Is Light a Wave or a Particle? Understanding Its Nature and Travel to Our Eyes
- Quantum Velocity
- · Replies 4 ·
High School Heisenberg applied to accelerated particles
- Chorlton
- · Replies 4 ·
Undergrad How to derive the associated Legendre equation
- davidge
- · Replies 10 ·
Undergrad Actual example of a mixed state not part of entangled state
- Rainbows_
- · Replies 26 ·
High School Terry Tao's Interesting View of QM
- bhobba
- · Replies 1 ·
Undergrad Quantum entangled image sensor for space camera-telescope
- Thelonious Monk
- · Replies 5 ·
Undergrad Experimental history of quantum physics
- manu de hanoi
- · Replies 7 ·
Undergrad How does sequential measurement affect observable data in molecules?
- Rainbows_
- · Replies 7 ·
Undergrad Similar behavior between anti-particles and waves?
- despues357
- · Replies 2 ·
Graduate Discrete measurement operator definition
- jim jones
- · Replies 2 ·
High School What is the physical significance of operators in quantum mechanics?
- Wrichik Basu
- · Replies 25 ·
Graduate What Hilbert space for a spinless particle?
- David Olivier
- · Replies 44 ·
High School How much space does a single photon occupy?
- Peter Mason
- · Replies 47 ·
High School Measuring momentum and position in particle colliders
- Sophrosyne
- · Replies 12 ·
Undergrad Establishing consistency between a wave model of the photon and a particle model
- Charles Link
- · Replies 6 ·
Undergrad (QED) The initial mass and the correction cancelling out
- Christian
- · Replies 20 ·
Undergrad Hamiltonian in Quantum vs Classical
- Electric to be
- · Replies 40 ·
High School Why don't emission/loss of virtual photons lower a charge's energy?
- Ahsan Khan
- · Replies 2 ·
Undergrad Why infinite energy from tunneling-assisted fusion violates thermodynamics
- Ethan Singer
- · Replies 7 ·
Undergrad Lorentz transformation and its Noether current
- Ken Gallock
- · Replies 6 ·
High School What is Quantum Spin? Understanding Basics
- Quantum Velocity
- · Replies 10 ·
Undergrad Radiative collapse of an electron in a classical atom
- LauritsT
- · Replies 6 ·
Undergrad Fermi's golden rule derivation
- -marko-
- · Replies 1 ·
Undergrad Do quantum fluctuations mean metric fluctuations?
- nomadreid
- · Replies 1 ·
High School Delayed Choice Quantum Eraser - Experimental Details
- albroun
- · Replies 2 ·
High School Can an atom be in two places at once?
- Habib_7654
- · Replies 5 ·
Undergrad Determinant problem in an article about QCD phase diagram
- Ken Gallock
- · Replies 4 ·
High School About electrons and the photoelectric effect
- rareEarthminerals
- · Replies 2 ·
High School Is there any state of matter colder than solid?
- Quantum Velocity
- · Replies 10 ·
Undergrad Does quantum teleportation violate conservation of energy?
- Trollfaz
- · Replies 5 ·
Undergrad Deductions of Formulas for Energy
- cazador970
- · Replies 2 ·
Insights Struggles with the Continuum - Part 7 - Comments
- john baez
- · Replies 2 ·
Undergrad Energy-time versus time bin DOF
- Armchair
- · Replies 8 ·
Undergrad What does the 0-ket in this state function expression represent?
- davidge
- · Replies 3 ·
High School Does Momentum Affect Potential Energy in a Particle Box?
- mieral
- · Replies 41 ·
Undergrad Where can I find textbooks and articles on relativistic Landau levels?
- Ken Gallock
- · Replies 1 ·
Undergrad Path Integral in QM: Resolving Confusion on Causality
- Silviu
- · Replies 1 ·
Undergrad Are QFT fields the medium for light?
- FallenApple
- · Replies 21 ·
Undergrad Does Bra-Ket Notation Clarify the Gradient Operator in Quantum Mechanics?
- christianmetzgeer
- · Replies 11 ·
Undergrad Do Hydrogen and Helium Electrons Share Identical Energy Quantums?
- barryj
- · Replies 16 ·
Undergrad Potential energy in quantum chemistry beyond fundamental forces
- mieral
- · Replies 14 ·
Undergrad Usage of partition function in derivation of Sackur-Tetrode
- georg gill
- · Replies 6 ·
Undergrad Retrocausality in quantum field theory and experimental tests
- Buzz Bloom
- · Replies 21 ·
Graduate Similarity in form of time-evolution and Gibbs weight?
- muscaria
- · Replies 1 ·
Undergrad Solving for <E^2> of a non-stationary state of the QSHO
- hnicholls
- · Replies 1 ·
Undergrad Does a field operator always commute with itself?
- Frank Castle
- · Replies 2 ·
High School The Dirac equation and the spectrum of the hydrogen atom
- Sophrosyne
- · Replies 10 ·