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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

A Universal quantum physics
What Would Happen If 2 Protons Collided?
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Solving Fermions: Finding States & Energies
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Why is the Weak Force So Weak?
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Why spinor bec is called ''spinor bec''?
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Why Don't Electrons Fall into the Nucleus Despite the Uncertainty Principle?
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Chirality vs Helicity: Explaining the Difference
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Projection postulate - can it be verified?
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Dirac delta spherical potential
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What Is the Simplest Picture for Entangled Particles?
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Can anyone improve the Gottesman and Chuang quantum digital signature scheme?
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Are Ghosts a Scientific Myth or Reality?
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Finding n for Line Spectra with 400 nm Wavelength
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Gravity and its effect on particles/molecules and bonds.
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Detecting Single Photon Energy
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Questions about some material from Dirac
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Differentiation of an exponential with operators (Peskin p.84)
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Is the Integral of the Square of Phase Density Constant in Classical Mechanics?
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Electrons travel faster than the speed of light
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The Principle of Least Action in Quantum Physics
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Quantum attraction by exchange of particles
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Pair Annihilation and Conservation of Momentum and Energy Explained
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Renormalization in Fluidodynamics
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Total Spin of Two Particles w/ Spin 1
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Basic question on electron, ion and photon excitation
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Algebra Help: Attached File Guide
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Is there a description of collapse in QFT ?
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Pair Production and Momentum Transfer in Photon Interactions
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Heisenbergs Uncertainty Principle
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What's wrong with Heisenberg's microscope?
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What is the significance of singlets and gauge invariance in particle physics?
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Is probability a Quantum Observable ?
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Can a cat truly be the observer in Schrödinger's thought experiment?
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What the state of Quantum mechanics (QM) is?
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Mach-Zehnder Interferometer at Wiki Question
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Question About Harmonic Oscillator in Griffiths - E=0 or E=1/2hw?
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What Is the Role of the Hamiltonian in Quantum Mechanics?
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Rotate Photon Polarization: 90 Degrees?
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Pauli exclusion principle question
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Kinetic Energy in Non-Normalized Particle State
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Quantizing a two-dimensional Fermion Oscillator
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Laser Tube Cavities: Increasing Power w/Mirrors?
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Distinguish Orthogonal Qubits: Test & Impact
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Rotating Bose gases, quantum vortices
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Dimensional Regularization of an Integral
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What if Planck's Constant was 6.63x10^30?
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Exclusion Principle and Symmetry in Multi-Electron Systems
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R. Slansky, Group theory for unified model building
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Why Was "h" Chosen for Planck's Constant?
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Feynman's QED Lectures: Questions about partial reflection
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Time depending quantum solution
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The dangers of heuristic reasoning
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Clebsch-Gordan coefficients for spin-one particle decomposition
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Particle in 1-D Box: Pressure Force on Wall
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What are some common questions about Peskin's QFT book?
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Is the Born Rule Rooted in Classical Wave Energy Principles?
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Destroying interference pattern of classical waves
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Why are Photons Massless? Zach's Questions
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How does the photon absorption process work in atoms?
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QFT and local gauge invariance
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Counter example to the Bloch's theorem?
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QFT: Find Poincare Group Generators in QFT
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Does the uncertainty principle break symmetry?
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Why Does a Wave Packet Better Describe a Particle in Quantum Mechanics?
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Understanding Bras and Kets as Vectors and Tensors
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FAQ - Do Photons Move Slower in a Solid Medium?
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Simulate Light Not Polarized Using Jones Formalism
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Uncovering the Randomness of Thermal Noise and Nuclear Decay
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Field operators - how do they work?
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What is the significance of parity in group theory?
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What Is the Cardinality of Bloch Waves in Quantum Mechanics?
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How Do You Compute Non-Integer Powers of Quantum Operators?
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Feynman's perspective on the double slit
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Question about refraction experiments
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What is the Pauli exclusion principle?
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Finding Eigenvalues of Dirac Matrices with Constraint Conditions
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Stark Effect using first order variation theory.
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Black Body Radiation: Why Maintaining Constant Temp?
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Massless Schrödinger equation
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Is the Entropy of the Universe Zero? Entropy as Entanglement)
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Lagrangians in Quantum Mechanics
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Can Random Symmetry Breakings Explain Quantum Oddities?
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Do protons and neutrons have a wavefunctions?
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What Happens to Matter if Electron Orbit Speed is Slowed?
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Does Schrodinger's Cat Qualify as an Observer in Quantum Mechanics?
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Negative energy in Dirac equation
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Electromagentic Field vs. Gravity Field
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What is the purpose of using a potential well to model a particle's confinement?
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Understanding Atom Orbital Calculations: Wave Equations, Calculus, and Matrices
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Questions on Virtual Particles
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Hydrino and Inverse Quantum States
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The Mach-Zehnder interferometer experiment
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Some Confusion with Path Integrals
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What is the Significance of Planck's Constant and its Reduced Form?
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Spectral Lines - What Determines Their Width?
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Degenerate matter total energy
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How can we reconcile the different vector dimensions in QM equations?
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Looking for heterostructures articles
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Difference between Mixed State and Superposition
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What is the smallest Quantum of Energy?
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Understanding Orthogonal Integral on Introduction to Quantum Mechanics
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