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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 Exploring Implicit Assumptions and Foundations of Quantum Mechanics
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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Undergrad Double slit experiment - quick question
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Graduate What the state of Quantum mechanics (QM) is?
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Graduate Mach-Zehnder Interferometer at Wiki Question
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Graduate Question About Harmonic Oscillator in Griffiths - E=0 or E=1/2hw?
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Graduate What Is the Role of the Hamiltonian in Quantum Mechanics?
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Graduate Rotate Photon Polarization: 90 Degrees?
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Graduate Pauli exclusion principle question
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Graduate Kinetic Energy in Non-Normalized Particle State
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Graduate Quantizing a two-dimensional Fermion Oscillator
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Graduate Laser Tube Cavities: Increasing Power w/Mirrors?
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Graduate Distinguish Orthogonal Qubits: Test & Impact
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Graduate Rotating Bose gases, quantum vortices
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Graduate Dimensional Regularization of an Integral
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Graduate What if Planck's Constant was 6.63x10^30?
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Graduate Exclusion Principle and Symmetry in Multi-Electron Systems
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Graduate R. Slansky, Group theory for unified model building
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Undergrad Why Was "h" Chosen for Planck's Constant?
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Graduate Feynman's QED Lectures: Questions about partial reflection
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Graduate Time depending quantum solution
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Graduate The dangers of heuristic reasoning
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Graduate Clebsch-Gordan coefficients for spin-one particle decomposition
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Graduate Particle in 1-D Box: Pressure Force on Wall
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Graduate What are some common questions about Peskin's QFT book?
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Graduate Is the Born Rule Rooted in Classical Wave Energy Principles?
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Graduate Destroying interference pattern of classical waves
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Graduate Why are Photons Massless? Zach's Questions
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Graduate How does the photon absorption process work in atoms?
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Graduate QFT and local gauge invariance
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Graduate Counter example to the Bloch's theorem?
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Graduate QFT: Find Poincare Group Generators in QFT
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Graduate Does the uncertainty principle break symmetry?
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Graduate Why Does a Wave Packet Better Describe a Particle in Quantum Mechanics?
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Graduate Understanding Bras and Kets as Vectors and Tensors
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Graduate FAQ - Do Photons Move Slower in a Solid Medium?
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Graduate Simulate Light Not Polarized Using Jones Formalism
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Graduate Uncovering the Randomness of Thermal Noise and Nuclear Decay
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Graduate Field operators - how do they work?
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Graduate What is the significance of parity in group theory?
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Graduate What Is the Cardinality of Bloch Waves in Quantum Mechanics?
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Graduate How Do You Compute Non-Integer Powers of Quantum Operators?
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Graduate Feynman's perspective on the double slit
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Undergrad Question about refraction experiments
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Undergrad What is the Pauli exclusion principle?
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Graduate Finding Eigenvalues of Dirac Matrices with Constraint Conditions
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Graduate Stark Effect using first order variation theory.
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Undergrad Black Body Radiation: Why Maintaining Constant Temp?
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Graduate Massless Schrödinger equation
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Graduate Is the Entropy of the Universe Zero? Entropy as Entanglement)
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Graduate Lagrangians in Quantum Mechanics
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Graduate Can Random Symmetry Breakings Explain Quantum Oddities?
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Graduate Do protons and neutrons have a wavefunctions?
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Undergrad What Happens to Matter if Electron Orbit Speed is Slowed?
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Graduate Does Schrodinger's Cat Qualify as an Observer in Quantum Mechanics?
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Graduate Negative energy in Dirac equation
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Graduate Electromagentic Field vs. Gravity Field
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Graduate What is the purpose of using a potential well to model a particle's confinement?
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Graduate Understanding Atom Orbital Calculations: Wave Equations, Calculus, and Matrices
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Graduate Questions on Virtual Particles
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Graduate Hydrino and Inverse Quantum States
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Graduate The Mach-Zehnder interferometer experiment
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Graduate Some Confusion with Path Integrals
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Graduate What is the Significance of Planck's Constant and its Reduced Form?
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High School Spectral Lines - What Determines Their Width?
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Graduate Degenerate matter total energy
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Graduate How can we reconcile the different vector dimensions in QM equations?
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Graduate Looking for heterostructures articles
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Graduate Difference between Mixed State and Superposition
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Graduate What is the smallest Quantum of Energy?
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Graduate Understanding Orthogonal Integral on Introduction to Quantum Mechanics
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Graduate How is the 4-momentum 4-vector defined in relativistic QM?
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Graduate Why do we have the Heisenberg principle?
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Graduate The physical meaning of Schrödinger's equation
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Undergrad Looking for resources to do with energy transfer.
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Graduate Solving Shrodinger Eqn for Constrained System: Negative Energy Levels?
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Graduate What is the relationship between Special Relativity and Quantum Mechanics?
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Graduate Understanding Expectation Value in Quantum Mechanics: A Closer Look
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Graduate One-dimensional box of some width with a particle inside
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Graduate Wave Function Zero At Infinity?
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Graduate Can Quantum Tunneling Explain the Proton's Energy Source?
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Graduate Grover's algorithm on entangled states
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Graduate How close are mankind to creating a quantum computer?
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