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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 Bell's theorem and measurements not done
Graduate Planck black body formula question
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Graduate Slit diffraction: time between emission and detection of photon
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Graduate What Causes 2n^2 Vacancies in Atomic Orbitals?
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Undergrad Do photons travel in straight lines?
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Graduate Calculating Effective Mass of InGaAs Alloy
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Graduate Is There a Smallest Time Interval in the Quantum World?
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Undergrad Atom & Universe: Similarities & Dissimilarities
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Graduate Von Neumann entropy in terms of the tangle
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Graduate Interpreting the probability distribution of the potential step
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Graduate Relativistic Uncertainty Principle
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Undergrad Is the Momentum of a Photon Conserved in Matter?
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Undergrad Spin Explained for the "Wikipedia Physicist" - No QM Needed!
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Graduate Why Do These Quantum Mechanical Selection Rules Result in Zero?
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Graduate PF is a resource for questions about Peskin & Schroeder
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Graduate Visualizing Electrons as Probability Densities
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Graduate Quantum / gauge field -> Classical limit
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Graduate Relativistic Mechanics of Hydrogen Like S Orbials at high Z
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Graduate I'm just wondering, what causes the existence of quantum levels?
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Graduate Dirac equation & Dirac matrices
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Graduate Is Geometric Quantum Mechanics a Viable Alternative to Hilbert Space?
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Graduate Information erasure without an energy cost
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Graduate Feynman Diagrams for Exam Prep: Position vs. Momentum Space
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Graduate How Does Photon Spin Relate to Frequency and Polarization?
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Graduate How does a photon carry force?
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Graduate Schrodinger Equation: Kinetic Energy Impact?
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Graduate Calc Poisson Bracket: {π,∂φ} Calculation
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Graduate Question about upper energy limits.
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Graduate Fermions with no mass, and helicity coupling.
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Graduate Are quarks really in isocoles triangle positions?
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Graduate Can Energy and Interactions Create Electrons?
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Graduate How Does the Heisenberg Uncertainty Principle Challenge Classical Physics?
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Graduate New look at Youngs experiment
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Graduate Where Does Charge Originate in Antimatter and Elementary Particles?
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Graduate Is the Photon a Unique Entity or a Chain of Energy Interactions?
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Graduate Uniqeness of elemental particles
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Graduate Concervation of Momentum and Non-Classical Paths
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Graduate QFT - interaction between field
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Graduate Why does this integral go to zero?
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Graduate Plotting 6pz Orbitals with Python and Mayavi: Any Tips or Experience?
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Undergrad About the excited state of an electron
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Graduate Can someone explain this quantum physics concepts to me?
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Graduate How to Calculate Momentum using QM Completeness Relation?
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Graduate Calculating weights of Feynman Diagrams
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Graduate Quantum Mechanics: Angular Momentum & S_z
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Graduate Experimental test of the Uncertainty principle
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Graduate Peskin Schroeder which chapter
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Graduate Seperation of variables, infinite cubic well
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Graduate Physicists capture first images of atomic spin
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Graduate Understanding the Paradox of Photon Momentum: Electromagnetic Force Revealed
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Graduate LS coupling for identical electrons
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Graduate Laplacian of 1/r in Darwin term
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Graduate Time dependence of scalar product
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Undergrad Why Does Photomultiplier Tube Emit 2 Electrons?
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Graduate Information and sphere’s interior versus surface… not.
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Graduate Can a Computer Generate Precognition Through Positron Experimentation?
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What makes quantum mechanics so interesting?
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Undergrad Electron energy increases with N?
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Graduate Normalised wavefunction to calculate the expectation
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Graduate The radius of an electron orbit in helium
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Graduate Schrodinger Time Dependent equation
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Graduate Time dependence of energy & probability
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Graduate What does 'Nothing' mean to a quantum physicist?
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Graduate Really basic quantum mechanics question
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Graduate What is the physical reason for the speed of light paradox?
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High School Is 'The Secret Law of Attraction' considered quantum physics? Do you support it?
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Graduate Radial probability density / quantum numbers.
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Graduate Can someone please explain overlap integrals to me?
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Graduate Understanding the Levi-Civita Symbol and Commutators in Quantum Mechanics
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Graduate Quantum Suicide Theory = Everyone Dies Of Old Age?
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Graduate How Can Degenerate Fermi Gases Illuminate Quantum Statistics?
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Graduate Allowed energies for electrons in hydrogenic atoms
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Graduate Is this an error in Srednicki?
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Graduate Rigorous Quantum Field Theory.
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Undergrad Eigenfunctions and Eigenvalues
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Graduate Why is the result not always 0 in the product rule for derivatives?
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Graduate QFT question - anti-commutator
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Graduate How Do Phase Velocities Relate to Photons in Classical and Quantum Optics?
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Graduate How Does the Double Slit Experiment Demonstrate Particle-Wave Duality?
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Graduate What is the Dimensionality of Wavefunctions?
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Graduate How to reduce fermi-dirac to maxwell-boltzmann in a solid?
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Graduate What is the function of a collapsed wave?
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Graduate Experiment re quantum randomness
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Graduate Antimatter is just matter that is traveling backwards in time
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Graduate Bloch's theorem and diagonalization of translation operator
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Graduate Classical limit of Quantum Optics
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Graduate Gamma matrices and lorentz algebra
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Graduate Understanding the Uncertainty Principle and Its Effects on Atomic Particles
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Graduate Normal frequencies of vibration of a molecule
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Graduate Vacuum Energy: same inside a rock?
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Graduate Is the Speed of an Anti Photon Really -186,000 Miles/Second?
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Graduate Special cases of the Schroedinger Eq?
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Graduate Is Physical Contact Really Possible or Just an Illusion of Forces?
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Graduate Unit of plank constant in the calculation of tunneling probability
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Graduate Solving Scattering Problem: Get Help with Phase Shift Delta
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Graduate QED 1-Loop Renormalization Group Equation
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Graduate How does combining spin result in the total spin angular momentum number?
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High School How to observe interference patterns with a simple experiment?
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Graduate Transferring bits using the square well
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Graduate Interpreting operators in second quantization
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Graduate Wavelength Less Than Planck Length?
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