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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.

Quantum Interpretations and Foundations

Graduate Universal quantum physics
Graduate How Does Einstein's Theory of Relativity Derive the Energy of a Single Photon?
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Graduate Running Couplings and Renormalization Explained
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Graduate Is 'Fuzzy' logic an appropiate Quantum logic ?
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Graduate Quantum particle empirical status
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Graduate Particles and Fields – a neverending story
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Graduate Doesn't QM allow for FTL travel?
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Graduate Field Operators in Klein-Gordon theory
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Graduate Whcih Theory Of Quantum Mechanics Is The Right One?
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Graduate Are Scalar Electromagnetics a Revolutionary Energy Source or Just Pseudoscience?
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Graduate Energy levels in finite 1d well
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Graduate Why Irreducibel Representations?
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Graduate Can Observing Particles Without Photons Overcome the Uncertainty Principle?
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High School Double slit experiment -WHAt is it it showing or proving
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Graduate Understanding Particle Mass Shells
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Graduate Time Propagation: Evaluating "exp(-i*H*t)
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Graduate Quantum Well Levels: Energy Changes with Depth
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Undergrad What is the effect of gravity on light?
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Graduate Do Polarizers Affect Entangled Photon Beams Differently?
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Graduate Graviton and photon point particles in reality
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Graduate Fourier Transform of a wavefunction
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Graduate DeltaXDeltaP Greater Than or Equal to h/4pi
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Graduate Could Quantum Time Be Confirmed by the LHC?
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Graduate Wave/Particle Double Slit Experiment Questions
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Graduate How small does sub-atomic universe go?
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Graduate Momentum operator as the generator of translations.
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Graduate Feyman Diagram - Represent QED model(s)?
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Graduate Two interacting electrons in 1D infinite well
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Graduate Entangling Photons: A Brief Overview of Quantum Interference
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Graduate Rayleigh one-two photon, dipole approx
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Graduate GHZ Experiment: Detections vs. Hidden Variables
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Graduate Bellweather grants from FQXi foundation (straws in the quantum gravity wind)
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Undergrad Basic question about velocities of particles
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Graduate How to Normalize the Basic Wave Equation
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Graduate Challenging the Collapse: Examining the Proof of State in Quantum Physics
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Graduate Is the Group Velocity Double the Phase Velocity at Low Velocities?
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Graduate Hermitian adjoint of the time derivative?
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Graduate Quantum Entanglement and retrocausality
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Graduate Spin Exchange in Fermi Sea - Evaluating S_x \cdot S_{x+1}
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Graduate A relativistic quantum theory of gravity
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Graduate Understanding the Relationship Between Kronecker Delta and Dirac Delta
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Graduate Vacuum state of the Klein-Gordon field
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High School My First Double Slit Experiment
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Graduate Derivative inside, outside time ordering
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Graduate What is the problem with the Stern Gerlach J=1 exercise?
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Graduate Quantum Physics, Causality, and Logic
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Graduate Light Interaction with Electrons in Glass
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Graduate Davisson & Germer experiment question
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Graduate Calculating Broglie Wavelength for Helium Superfluid
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Undergrad Can We See Photons With Naked Eye?
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Graduate Revolutionary Experiment Confirms Incompleteness of Quantum Mechanics
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Graduate Photons Detector not yielding which-path info.
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Graduate Commuting Operators in Sequential Stern Gerlach Experiment
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Graduate Measurement and Stern Gerlach Experiments review articles?
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Undergrad Distance Between Atoms: How to Measure
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Graduate Linus Pauling's Hydrogen Atom: MVR=nh/2pi?
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Graduate Quantum Mechanics: Learning Bra-Ket Notation
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Graduate Coherent States of the Harmonic Oscillator
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Graduate Questions about the Density Operator Formulation of Quantum Mechanics
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Graduate Turning Off a Measuring Device: Wave-to-Particle Possibility?
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Graduate How Do Quantum Computers Use Qubits in Superposition for Calculations?
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Graduate Unveiling the Mysteries of Photon Helicity
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Graduate Is there any reason the Universe must have a wave function?
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Graduate How do I calculate the initial alpha for an iterative process in a finite well?
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Graduate Massless free field equation -> Maxwell's eqn.
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Graduate What is a wave function and how does it describe the wave nature of a particle?
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Graduate Concept of a renormalizable theory in Weinberg's feild theory book
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Undergrad Understanding the Hamiltonian of a System: Explained for Beginners
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Graduate Quantum computing and Nanoscale CAD
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Graduate What Would Happen If 2 Protons Collided?
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Graduate Solving Fermions: Finding States & Energies
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Undergrad Why is the Weak Force So Weak?
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Graduate Why spinor bec is called ''spinor bec''?
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Graduate Why Don't Electrons Fall into the Nucleus Despite the Uncertainty Principle?
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Graduate Chirality vs Helicity: Explaining the Difference
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Graduate Projection postulate - can it be verified?
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Graduate Dirac delta spherical potential
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Graduate What Is the Simplest Picture for Entangled Particles?
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Graduate Can anyone improve the Gottesman and Chuang quantum digital signature scheme?
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Graduate Are Ghosts a Scientific Myth or Reality?
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Undergrad Finding n for Line Spectra with 400 nm Wavelength
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Undergrad Gravity and its effect on particles/molecules and bonds.
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Undergrad Detecting Single Photon Energy
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Graduate Questions about some material from Dirac
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Graduate Differentiation of an exponential with operators (Peskin p.84)
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Graduate Is the Integral of the Square of Phase Density Constant in Classical Mechanics?
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Graduate Electrons travel faster than the speed of light
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Graduate The Principle of Least Action in Quantum Physics
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Graduate Quantum attraction by exchange of particles
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Graduate Pair Annihilation and Conservation of Momentum and Energy Explained
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Graduate Renormalization in Fluidodynamics
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Graduate Total Spin of Two Particles w/ Spin 1
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High School Basic question on electron, ion and photon excitation
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Algebra Help: Attached File Guide
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Graduate Is there a description of collapse in QFT ?
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Graduate Pair Production and Momentum Transfer in Photon Interactions
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Undergrad Heisenbergs Uncertainty Principle
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Graduate What's wrong with Heisenberg's microscope?
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Graduate What is the significance of singlets and gauge invariance in particle physics?
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Graduate Is probability a Quantum Observable ?
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Graduate Can a cat truly be the observer in Schrödinger's thought experiment?
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