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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
Undergrad Light Propulsion: Can Photons Move Objects?
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Graduate Why Do Different Terms Arising From An Electron Configuration Differ In Energy?
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Graduate About scattering and bound states
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Graduate Is angular momentum always quantized?
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Graduate Quantum Mechanics and Determinism
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Graduate Dirac equation and general covariance
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Undergrad Can someone explain the idea of degeneracy of orbitals?
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Graduate Baker, Campbell, Hausdorff and all that
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Graduate Dual Gauge Curvature for U(1) and SU(3)
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Graduate Time translation in the heisenberg picture?
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Graduate Pure Qubit Question: Does Alice Fulfill Bob's Demand?
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Graduate Berry phase in degenerare case
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Graduate Proving $\frac{d}{dt}\left\langle{XP}\right\rangle$ for Hamiltonian H
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Graduate Explaining the Color Change of Black Body Radiation from Coal
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Graduate Causal Evolution of Wave Function and Gravity
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Graduate Solving Mandl & Shaw 2.5: Show U = e^(-i/h)δαPα
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Graduate Discussing Bose Einstein Condensate: Questions & Answers
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Graduate Transition Probability for a Laser system
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Graduate What would happen to pauli exclusion principle
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Graduate Waveequation for relativistic particle
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Graduate How Does the Heisenberg Uncertainty Principle Relate to Photon Polarization?
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Graduate Uniqueness of quantization of Dirac field
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Graduate Novikov self-consistency principle
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Graduate Solve Mandl & Shaw 2.3: Prove Lorentz Condition
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Graduate Dual of Maxwell tensor as gauge curvature
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Graduate Schwinger-Dyson equations for Quantum Gravity
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Graduate Calculating Probability of Measuring +h/2 in 1D HO
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Graduate A question on wave-particle duality
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Graduate What are the properties of a Hermitian Hamiltonian operator?
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Graduate Resolving the Uncertainty Principle: The Puzzle of Measuring Photon Momentum
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Graduate Question on UV and IR divergences
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Graduate Quantum myth 2. time-energy uncertainty
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Graduate Unifying Electroweak & Strong Forces: Electrostrong Force
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Undergrad Help with simple Einstein photon equation
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Graduate Particle Octet: Explaining No Spin 1/2 Particles
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Graduate Is pauli exclusion principle a force
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Graduate Heisenberg Uncertainty Principle and Gaussian Distributions
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Graduate Dirac Delta Function question(s)
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Graduate Quantum myth 1. wave-particle duality
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Graduate Is quantum theory really necessary?
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High School Chemistry Meets Quantum Physics: An Exciting Posterboard Project?
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Graduate Why Do Vacuum Energy Calculations Vary Between d^3k and d^4k Integrals?
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Graduate Heisenberg Undertainty Principle
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Graduate Photons - the smallest building block?
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High School Conducting the Double Slit Experiment
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Graduate Wave equation - vector notation
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Undergrad Photoelectric Emission: Why Does Number of Electrons Decrease?
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Graduate Wavefunction of relativistic free particle
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Graduate Many body problem -> non-interacting particles
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Graduate About the origen of the fundamental theories
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Undergrad What Determines the Frequency and Wavelength of Electromagnetic Radiation?
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Undergrad Understanding Quantum Energy Levels in Bohr's Model of the Atom
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Graduate Speed Quanta: Is There a Lower Limit?
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Graduate Anyone know of a good QF doco?
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Undergrad Antiparticle and particle annihilation
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Graduate Where do fermion properties come from?
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Graduate Pressure of an electron gas at 0K
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Undergrad Questions on Neutrinos: How Do We Know?
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Undergrad Did I Make a Mistake? A Sign Error in an Exercise Answer
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Graduate Existence of Virtual Particles
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Graduate Proof that (p + ix) operator is non-hermitian (easy)
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Graduate Calculate something with QFT - I dare you
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Graduate Solving Hamiltonian with chain of charge centers?
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Graduate Momentum operator in Schrodinger equation
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Graduate Dimensionality and vectors in quantum mechanics
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Graduate Does the Beer-Lambert Law Apply Differently in Active Environments?
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Undergrad Lasers, photo-electric effects and ionization of atoms
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Graduate How important is experience in QM?
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Graduate Solving schrodingers numerically
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Graduate Is Time Travel the Key to Understanding Dirac's Equation and Positron Creation?
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Graduate Summary of the key formula of QFT
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Graduate Uncertainty principle and photon
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Graduate Renormalizability - how to determine if a theory is renormalizable?
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Graduate Understanding Double Slit Interference in Electron Diffraction
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Graduate Creation/annihilation operators
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Undergrad Atomic Radius Increase Up Periodic Table: Why?
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Graduate The difference between BOSONS and FERMIONS
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Graduate Evaluate the Klein-Gordon action
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Graduate Preferred basis and prereduction of density matrices
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Graduate Discrete spacetime means discrete momentum ?
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Undergrad Significace of i*sin(wt) in SHM [cos(wt)+i*sin(wt)]
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Graduate Uncertainty Principle & Measuring Momentum: Is There a Confusion?
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Undergrad A question about Photoelectric Effect
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Graduate The necessity of time-dependence in making approximations of the H2+ molecule
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Graduate Heisenberg Uncertainty Principle to estimate the position uncertainty
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Graduate What is the particle pair phenomenon and how does quantum entanglement work?
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Graduate Atomic Oscillations: Frequency, Nuclear & Wave Function
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Graduate Klein-Gordon equation for electro-magnetic field?
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Graduate Uncertainty principle and vacuum fluctuations
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Graduate Question about density matrices
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Graduate Is Electron Spin Just a Mathematical Concept?
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Graduate Why is Schrodinger's Cat only a thought experiment?
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Graduate Time evolution and the Dirac Equation
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Graduate Plane waves not physical states?
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Graduate Why forces are modeled as virtual particles in quantum mechanics?
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Graduate Understanding Plane Wave Solutions in Quantum Mechanics
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Graduate Backward causation intepretation
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Graduate Representation of j=1 rotation matrix
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Graduate How to Find the Ground State of a System of Identical Bosons?
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Graduate Photovoltaic and Superconductivity
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