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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 Understanding Barandes' microscopic theory of causality
Graduate QM and Classical System Coupled
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Undergrad How did they measure the charge of electron
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Graduate How to normalize wave functions in QFT? such as \lambda \phi 4 theory?
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Graduate Quantum entanglement of spin along multiple orthogonal axes
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Graduate Rotational and vibrational spectroscopy
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Graduate Wave/Particle Duality: Observing Reality Differently?
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Graduate Measurements of the second kind and unitary treatment
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Graduate Mastering Basic Bra-Ket Algebra: Tips and Techniques for Solving Problems
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Graduate What is the difference between neutrinos and anti-neutrinos?
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Graduate Do expectation values vary with time?
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Graduate Stationary electron broglie wavelength
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Graduate What is the meaning of the imaginary part of the plane wave function
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Graduate Relations between classical and quantum time-evolution of fields
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Undergrad Why Does Electron Energy Have Negative Values?
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Undergrad Planck's Constant, what does it mean?
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Graduate Why do Majorana particles occur?
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Graduate Do SUSY particles have antiparticles counterparts?
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Graduate Interference terms in particle spin
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Graduate What Are the Key Differences Between Quantum and Classical Correlation?
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Graduate Unlocking Schrödinger's Equation Through Multivariable Calculus
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Graduate Quant.Entanglement: Comparing Superposition Spin and Unknown Spin
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Graduate Eigenvectors, spinors, states, values
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Graduate HOW can entanglement be observed experimentally?
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Graduate Calculating the expectation of a quantity using wavefunctions
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Graduate Question about planck lengths/quantized space and expanding space?
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Graduate Solving schrodinger, reflection coefficient
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Graduate COMPLETE Derivation of Heisenberg and Hubbard Models?
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Graduate What is the difference between a wavefunction and a state in quantum mechanics?
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Undergrad Can Someone Explain the Ac Stark Shift in Layman's Terms
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Graduate I am looking for an explanation of heavy electrons
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Graduate Bosons and Fermions in a rigorous QFT
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Graduate Can Quantum Chaos Theory Unravel the Mysteries of Biology?
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Graduate The Limitations of the Dirac Sea in Explaining Particle Motion
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Graduate Can Quantum Mechanics Make Teleportation Believable in Fiction?
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Graduate Sackur-Tetrode - why Planck's constant?
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Graduate Delayed Choice Quantum Eraser and other oddities + their meaning
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Graduate My diabolical scheme for Quantum Immortality
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Graduate Torque-Free Precession in Classical & Quantum Mechanics
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Graduate Construction of Hamiltonian for interacting optical fields
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Graduate Technical difficulties in calculating hydrogen probabilities
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Undergrad Converting Uncertainty in Millimeters to Meters for Radius Calculation
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Graduate Understanding GHZ Entanglement
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Graduate Path Cancellation: Can a Particle Come From Point A?
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Graduate Are boson fields the adjoint of the fermionic field they couple to?
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Undergrad Why world looks chaos on atomic scale but it is uniform on higher scale?
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Graduate How Can We Understand the Hilbert Space in Quantum Field Theory?
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Graduate What's the Verdict on "Quant-ph/9905077"?
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Graduate Writing Product States: When to Use a Sum?
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Graduate Other means of quantum teleportation.
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Graduate How fundamental are complex numbers in quantum theory?
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Graduate Expectation Values: Formula & Derivation
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Graduate Is inner product a measurement in quantum computation?
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Graduate Understanding Uncertainty Principle
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Graduate What the heck is meant by Pauli force/effect ?
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Graduate Can Entangling Separate Photon Pairs Affect Previously Measured Photons?
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Graduate Generating function of n-point function
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Graduate Spin 1/2 and 720 degree rotation
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Graduate Quantum Mechanics to a Newcomer
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High School Slit pattern, vertical or horizontal?
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Graduate How Does Reflection Affect Photon Phase Shift in Quantum Experiments?
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Graduate In electron/photon interactions does the handedness of the photon matter?
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Graduate What Causes Quantum Locking in Levitation Videos?
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Graduate Questions in Weinberg The Quantum Theory of Fields Vol 1
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Graduate Can changes in spring constant affect the eigenstates of a harmonic oscillator?
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High School Getting Started with Quantum Mechanics: Advice for High School Students
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Graduate Plot Real & Imaginary Dielectric Function: Lorentz Model
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Graduate What Is the Wavelength of the Earth According to De Broglie's Equation?
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Graduate How can reality be non local and its expression be local.
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Graduate Where does the radial probability of an electron equation come from?
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Graduate What makes a particle distinguishable from another one? It seems, two
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Graduate How Does Proximity to Other Atoms Affect Electron Orbit Transitions?
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Graduate Can Randomness and Causality Coexist Logically?
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Graduate Experimentally, how well tested is Born's rule?
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Graduate The Singularity: A Fundamental State of Energy Before the Big Bang?
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Graduate Does the weak force violate conservation of charge?
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Graduate Density matrix elements, momentum basis, second quantization
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Graduate How can we expand product of two currents into series?
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Graduate Does Energy Redistribution in Wave Interference Happen Superluminally?
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Graduate Looking for: Schrödinger equation in terms of phase and modulus
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Graduate Why is Hadronic Vacuum Polarization a Matrix Element of Current Products?
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Graduate Relation between spontaneous emission, absorption and re-emission
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Graduate Mystery of the lost degree of freedom in a gauge theory
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Graduate Is stokes vector can be a quantum state?
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Graduate Can a Temporary 'Mark' Affect the Double Slit Interference Pattern?
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Graduate Scattering - quantum electrodynamics
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Graduate Bell's Theorem - Easy explained
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Graduate Building a Lagrangian out of Weyl spinors
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Graduate Tensor Operators: Find an Accessible Textbook & Explanations
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Graduate Delayed double slit experiment
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Graduate Perturbation of 2D Oscillator along one axis
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Graduate Aspect's experiment, bell's inequality, neutrino faster than 'c'.
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High School The Requirement of integer orbitals
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Graduate Mass/Energy of W Boson: Where Does it Go?
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Graduate Can a potential act in a small region of spacetime?
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Graduate Is the Hydrogen Atom Stable in Relativistic Quantum Theory?
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Graduate Path Integral/Canonical Quantization of Gauge Theories
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Graduate Quantum entanglement,Is it possible
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Graduate Is The Dual Nature of Mass Affecting Astronaut Brains in Space?
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Undergrad When electrons jump why photon
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Graduate Why isn’t time-dependent Schrodinger equation separable?
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