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
Graduate Understanding the D^{l}(\theta) Representation of 3D Rotations
- Phymath
- · Replies 1 ·
Graduate Why is the helicity of a neutrino unchanged by the weak interaction?
- Final
- · Replies 4 ·
Graduate Numerical solution of Schrodinger equation
- arroy_0205
- · Replies 2 ·
Graduate Wave collapse vs. Friis transmission equation
- Antenna Guy
- · Replies 5 ·
Graduate What Is the Significance of Electron Spin in Quantum Mechanics?
- foobar
- · Replies 8 ·
Graduate Quantum Optics: Fock State and Its Meaning for Light
- fisico30
- · Replies 9 ·
Graduate Delta function of a function with multiple zeros
- maverick280857
- · Replies 2 ·
Graduate Applying Riemann-Hilbert Space Curvature to Quantum Mechanics
- Loren Booda
- · Replies 1 ·
Graduate Can Pinholes Alter Photon Path Deduction in Quantum Mechanics Experiments?
- RandallB
- · Replies 29 ·
Graduate Find Min Copies Needed for Certainty of Permuted Qubits w/ General State
- Dragonfall
- · Replies 2 ·
Graduate Current Research in QCD: Areas, Problems & Info
- Bobhawke
- · Replies 2 ·
Graduate Come One, Come All, and Cast Your Vote
- bluestar
- · Replies 3 ·
Graduate Time delay for evanescent wave to spread (photon tunnelling)
- EE.PHY.
- · Replies 1 ·
Graduate Double slit experiment - QM or wave?
- Hydr0matic
- · Replies 45 ·
Graduate Changing the spin of a Quantum particle
- Ikirak
- · Replies 6 ·
Graduate Relation between potential and bound states in Schrodinger equation.
- arroy_0205
- · Replies 1 ·
Graduate How does Wien's Scaling Law unify experimental data in blackbody radiation?
- Narcol2000
- · Replies 1 ·
Graduate Goldstone bosons 1st order phase transition
- Sunset
- · Replies 13 ·
Graduate Quantum Data:Theoretical Requirements
- CJames
- · Replies 3 ·
Undergrad Effect before Cause: Is it possible?
- BioCore
- · Replies 17 ·
Graduate Harmonic Oscillator & Schrodinger
- bluestar
- · Replies 2 ·
Graduate Easy (I think) quantum non-locality question for the experts
- ScottArizona
- · Replies 5 ·
Graduate Understanding the Main Assumption of Quantum Physics
- mohamed2020
- · Replies 1 ·
Undergrad How Do Electrons Create an Interference Pattern in the Double Slit Experiment?
- kkapalk
- · Replies 14 ·
Graduate Obama has chosen his VP, the universe has decohered/collapsed
- Count Iblis
- · Replies 3 ·
Graduate Continuing entanglement after first measurement
- Degeneration
- · Replies 1 ·
Undergrad Understanding Photons as Waves: Interference and Behavior
- OwenMc
- · Replies 15 ·
Graduate What is a positive definite Hamiltonian?
- arroy_0205
- · Replies 7 ·
Graduate Conservation of momentum and how to entangle
- thenewmans
- · Replies 1 ·
Graduate References for quantum chromodynamics
- physman88
- · Replies 6 ·
Undergrad Quantizing Photons: Understanding the Nature of Light and Energy
- Chaste
- · Replies 4 ·
Graduate Kinetic lagrangian for non-abelian gauge theories
- patrice
- · Replies 7 ·
Graduate How to convert m meter into recoils
- texophist
- · Replies 4 ·
Graduate Can Quantum Entanglement Enable Superluminal Communication?
- Jon_Trevathan
- · Replies 15 ·
Graduate Spontaneous Breaking Local Gauge Symmetry: Hamiltonian Formalism?
- weejee
- · Replies 3 ·
Graduate Best possible test which differentiates qubits
- Dragonfall
- · Replies 3 ·
Graduate Photon Experiment: What Will I See on Wall B?
- student85
- · Replies 31 ·
Graduate Is the Correct Delta Function for a QED Vertex \(\delta(p+q-k)\)?
- kilokhan
- · Replies 1 ·
Graduate Distribution of speeds in a molecular beam.
- Narcol2000
- · Replies 1 ·
Graduate Uncollapsing a wavefunction (demo in low temp cond matter lab)
- marcus
- · Replies 2 ·
Undergrad Why Does the Photoelectric Effect Eject Electrons from the Innermost Shell?
- eitan
- · Replies 2 ·
Graduate Inserting Feynman Slash Notation in Mathematica
- Shaun Culver
- · Replies 3 ·
Graduate Broken Symmetries (Weinberg p215)
- Final
- · Replies 3 ·
Graduate What is the Dirac Equation and How Did it Predict the Existence of Anti-Matter?
- daveed9
- · Replies 3 ·
Graduate Mean Field Indices in D>4: Modern Proofs
- tirrel
- · Replies 3 ·
Graduate How Does the Euclidean Dirac Operator Connect Quantum Field Theory and Geometry?
- cosmology
- · Replies 1 ·
Graduate Problem understanding a statement in Bose Statistics
- Narcol2000
- · Replies 2 ·
Graduate Quantum mechanics vs general relativity
- michael879
- · Replies 15 ·
Graduate How Does Dimensional Regularization Simplify Integrals in Quantum Field Theory?
- mhill
- · Replies 1 ·
Graduate What happens to qubits if Swap Test fails?
- Dragonfall
- · Replies 1 ·
Graduate Schrodinger's Equation validity for relativistic particles
- turnerre
- · Replies 31 ·
Graduate Klein-Gordan Eqn: Understanding Negative Probabilities
- captain
- · Replies 2 ·
Graduate Diagramatic perturbative expansion of QCD
- Sunset
- · Replies 6 ·
Graduate How Does Einstein's Theory of Relativity Derive the Energy of a Single Photon?
- JayKo
- · Replies 15 ·
Graduate Running Couplings and Renormalization Explained
- ledamage
- · Replies 1 ·
Graduate Is 'Fuzzy' logic an appropiate Quantum logic ?
- tpm
- · Replies 2 ·
Graduate Quantum particle empirical status
- ShaneS
- · Replies 12 ·
Graduate Particles and Fields – a neverending story
- ledamage
- · Replies 52 ·
Graduate Doesn't QM allow for FTL travel?
- Raap
- · Replies 3 ·
Graduate Field Operators in Klein-Gordon theory
- philipp_w
- · Replies 5 ·
Graduate Whcih Theory Of Quantum Mechanics Is The Right One?
- twoface42
- · Replies 9 ·
Graduate Are Scalar Electromagnetics a Revolutionary Energy Source or Just Pseudoscience?
- H0T_S0UP
- · Replies 3 ·
Graduate Energy levels in finite 1d well
- stone
- · Replies 1 ·
Graduate Why Irreducibel Representations?
- philipp_w
- · Replies 10 ·
Graduate Can Observing Particles Without Photons Overcome the Uncertainty Principle?
- Nick.M
- · Replies 1 ·
High School Double slit experiment -WHAt is it it showing or proving
- jenzao
- · Replies 41 ·
Graduate Understanding Particle Mass Shells
- captain
- · Replies 2 ·
Graduate Time Propagation: Evaluating "exp(-i*H*t)
- Incognition
- · Replies 1 ·
Graduate Quantum Well Levels: Energy Changes with Depth
- dacs
- · Replies 7 ·
Undergrad What is the effect of gravity on light?
- Azza_-_
- · Replies 14 ·
Graduate Do Polarizers Affect Entangled Photon Beams Differently?
- daniel29208
- · Replies 9 ·
Graduate Graviton and photon point particles in reality
- Landru
- · Replies 1 ·
Graduate Fourier Transform of a wavefunction
- children
- · Replies 2 ·
Graduate DeltaXDeltaP Greater Than or Equal to h/4pi
- C Rob
- · Replies 1 ·
Graduate Could Quantum Time Be Confirmed by the LHC?
- excogitator
- · Replies 2 ·
Graduate Wave/Particle Double Slit Experiment Questions
- The_Animus
- · Replies 10 ·
Graduate How small does sub-atomic universe go?
- ucf-fisher21
- · Replies 2 ·
Graduate Momentum operator as the generator of translations.
- alexepascual
- · Replies 69 ·
Graduate Feyman Diagram - Represent QED model(s)?
- Simone_beet
- · Replies 2 ·
Graduate Two interacting electrons in 1D infinite well
- badphysicist
- · Replies 1 ·
Graduate Entangling Photons: A Brief Overview of Quantum Interference
- thenewmans
- · Replies 4 ·
Graduate Rayleigh one-two photon, dipole approx
- evidenso
- · Replies 1 ·
Graduate GHZ Experiment: Detections vs. Hidden Variables
- trosten
- · Replies 7 ·
Graduate Bellweather grants from FQXi foundation (straws in the quantum gravity wind)
- marcus
- · Replies 6 ·
Undergrad Basic question about velocities of particles
- JasonJo
- · Replies 2 ·
Graduate How to Normalize the Basic Wave Equation
- Marthius
- · Replies 7 ·
Graduate Challenging the Collapse: Examining the Proof of State in Quantum Physics
- hdsncts
- · Replies 3 ·
Graduate Is the Group Velocity Double the Phase Velocity at Low Velocities?
- RANDHIR SINGH
- · Replies 1 ·
Graduate Hermitian adjoint of the time derivative?
- leright
- · Replies 7 ·
Graduate Quantum Entanglement and retrocausality
- onigiri
- · Replies 8 ·
Graduate Spin Exchange in Fermi Sea - Evaluating S_x \cdot S_{x+1}
- andrewm
- · Replies 1 ·
Graduate A relativistic quantum theory of gravity
- meopemuk
- · Replies 49 ·
Graduate Understanding the Relationship Between Kronecker Delta and Dirac Delta
- andrewm
- · Replies 4 ·
Graduate Vacuum state of the Klein-Gordon field
- knobelc
- · Replies 9 ·
High School My First Double Slit Experiment
- thenewmans
- · Replies 4 ·
Graduate Derivative inside, outside time ordering
- ismaili
- · Replies 4 ·
Graduate What is the problem with the Stern Gerlach J=1 exercise?
- folgorant
- · Replies 7 ·
Graduate Quantum Physics, Causality, and Logic
- avant-garde
- · Replies 2 ·
Graduate Light Interaction with Electrons in Glass
- thenewmans
- · Replies 7 ·
Graduate Davisson & Germer experiment question
- student85
- · Replies 3 ·