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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

Undergrad New interpretation for the double slit experiment with light?
Graduate Quantum Mechanics: Particles & Position Explained
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Graduate How to derive a numerator relation in vertex correction in Peskin p191
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Undergrad Can Electrons Absorb Photons With Different Energy Levels?
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Graduate Calculating Zero Point Energy with DVR
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Graduate Is V_{eff} truly the density of effective action in QFT?
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Graduate How Does New Macroscopic Entanglement Impact the Future of Teleportation?
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Graduate Photons, what makes them a act like a wave?
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Graduate Hi,Can anyone explain why in field theory we require [f*(x),f(y)]
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Graduate What is the Operator Product Expansion in Interacting Field Theory?
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Graduate Dimensional Regularisation - Contracting/Commuting Gamma Matrices
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Graduate Understanding Fock Spaces: Explanation and Examples
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Graduate Cant understand similar proof Quantum numbers from PDE (pdf attachment)
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Graduate Does particle at rest behave as wave?
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Graduate Why do we only average and sum over two independent polarizations in scattering?
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Graduate Zero momentum distribution and consequences on uncertainty principle
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Graduate Quantum Particle Momentum Measurement: Theoretical and Practical Considerations
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Graduate H|0> = 0? Does that mean that zero-point is ZERO?
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Graduate Double slit experiment & time (action at a distance?)
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Graduate How Does Electron Spin Orbit Influence Ferromagnetic Transformer Functionality?
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Graduate Schrodinger Equation for a Bra Vector
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Undergrad How does a photon gain momentum?
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Graduate Does a modulated electromagnetic wave contain photons of different energy?
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Graduate Weinberg QFT I: Lorentz Transformation with interaction
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Graduate Is there molecular friction and movement in balanced loads at the quantum level?
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Graduate Is quantum mechanics fundamental theory?
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Graduate Creation/Ann operators acting on <x|p>
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Graduate Is the Quantization of Time a Real Possibility?
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Graduate Electromagnetic Potential as an Observable
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Graduate Question on the representation of Poincare algebra generators on fields
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Graduate Quantum coherence and neutrino detection
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Graduate How is the wave function of a photon described in quantum field theory?
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When do you think Quantum Computers will be out?
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Graduate Lagrangian, Hamiltonian and Legendre transform of Dirac field.
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Undergrad Is a polarizer a filter or a converter?
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Graduate Angular Momentum and Expectation Values
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Graduate Feynman's third general principle of QM
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Graduate A bunch of basic questions on electrons
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Graduate Complex Scalar Field and Probability Field
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Graduate Wave superposition nothing more than abstraction?
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Graduate How Does the Double-Slit Quantum Eraser Work with Walborn's Setup?
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Graduate How can I apply a unitary transformation to rotate a 3D complex wave function?
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Graduate Uncertainty principle and electrons
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Graduate Normalization factor in wave equation
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Graduate Understanding Red Shift: A Derivation from Classical and Relativistic Physics
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Graduate Backwards causation: Is there any proof really against it?
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Undergrad Can an electron collide with the nucleus of an atom?
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Graduate Understanding Stimulated Emission: Got the what, how about the why?
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Graduate Using Dirac Bracket: Books & References for Examples
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Graduate What causes Bragg planes in materials?
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Graduate What is the significance of light-shifted ground states in sub-doppler cooling?
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Graduate How is the fundamental group related to quantum statistics?
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Graduate Does Bell's theorem imply stronger or weaker correlation?
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Undergrad Determine frequency of emitted photon
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Graduate Virtual Particles and The Law of Conservation of Energy
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Graduate Maxwell's or Schrodinger's Light Wave
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Graduate One electron two slit exeriment when one eletron is emited after 1 hour
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Graduate Confusion (6) from Weinberg's QFT.(in and out state)
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Graduate Shooting an electron at an ion's nucleus
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Graduate How to quantize the ''mathematical'' fluctuation field in statistics?
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Graduate Solutions to the Harmonic Oscillator Equation and Hermite Polynomials
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Graduate Counting the states of a free particle (Periodic boundary conditions)
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Graduate How do I derive a wave function for an electron in a finite potential well?
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Graduate Non-diagonality of Dirac's Hamiltonian
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Graduate Probability of Wrong Guess on Photon Polarization: Peres P47
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Graduate Quantum mechanics and causality/determinism.
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Graduate Entanglement – the order of measurements can be important
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Graduate Quantum filed theory in 1+1 dimension
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High School Can photons provide information about color and distance?
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Graduate Simulation of Grover's Quantum Database Search Algorithm
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Graduate Can an antiproton(negatron) orbit around a regular nucleus?
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Graduate Interpetation of wavefunction - atom
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Graduate Active QM Topics: What's Hot Now?
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Graduate Questions about deBroglie (matter) waves
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Graduate Bell's Theorem: Proving Its Vitality in Local Realistic Models
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Graduate MacroEntanglement and Consciousness
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Graduate Nate's Question: Why Is Detection Equivalent to Annihilation?
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High School What is Lockheed Martin's goal for their quantum computing investment?
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Graduate Question about Lagrangian in electromagnetic interaction
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Graduate Virtual particle in path integral and perturbative approaches
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Graduate Confusion (3) from Weinberg's QFT.(photon's angular momentum or helicity)
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Graduate Why do electron-electron-interactions raise the energy level?
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Graduate Find the eigenvalues of Liouvillian
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Graduate Virtual particle and event horizon
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Graduate Possible States of n Qubits as opposed to classical bits
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Graduate Compton Scattering: Calculating Fractional Wavelength Shift
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Graduate Confusion (5) from Weinberg's QFT.(invariance of S-matrix)
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Graduate Conscious vs. Non-Conscious Observation
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Graduate Addition for generators of rotation
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Graduate How do you observe the position of an electron?
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Graduate Quantum Mechanics without Hilbert Space
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Please help me find Entropy and Temperature of Radiant Heat by Max Planck
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Graduate Collapse and creation of wave function
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Graduate How Do Virtual Photons Create Attractive Forces Between Particles?
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Graduate Decomposition of vector potential
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Graduate Why correlation function decay as power law at critical temperature point?
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Graduate Curiosity about complete basis
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Graduate Expanding a ket in the basis of different Hamiltonians
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Graduate Hbar c=1 and EV: Understanding Inverse Energy Units
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Graduate Photon Exchange - Frequency? And uncharged antiparticles
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Undergrad Understanding Orbitals and Energy Levels in the Bohr Model
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