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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

Undergrad On computing quantum waves exactly from classical action
High School Behaviour of photons in a 'sealed room'
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Graduate Doubt regarding Planck's Quantum Theory
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Graduate Are virtual particles really there?
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Graduate Is modelling REALLY impossible in quantum mechanics?
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Graduate The Uncertainty of Particle Positions and its Effect on Probability Densities
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Graduate QM Measurement Problem: Expectation Value of Lz
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Graduate Triplet states in quantum dots
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Graduate What is meant by singlet and triplet state of an electron system?
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Graduate Information: finite or infinite?
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Graduate Why do SHM solutions have no imaginary values?
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Graduate How Do Absorption/Emission Lines Relate to Black Body Radiation?
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Graduate What is the origin of subatomic forces?
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Graduate Is the Path Integral Formulation of Quantum Mechanics Violating the Speed Limit?
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Undergrad Quantum Physics Basics: An Overview
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Graduate Breaking down the wave function
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Graduate Throwing a tennis ball through a wall
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Graduate Step operators for harmonic oscillator
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Graduate Massless Dirac equation and graphene
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Graduate Help a Quantum Noob with the Wavefunction Collapse?
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Graduate The generator of Galilean boosts
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Undergrad The Origin of the Universe: Scientific Theory or Hypothesis?
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Graduate Infinite well with two regions
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Graduate A question about perturbation series inversion
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Graduate Counting Distinct Diagrams in Scalar Field Theory
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Graduate Relativistic Quantum Mechanics
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Graduate A general Question about Gravity and Quantum Physics
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Graduate Stimulated photons direction: book suggestion.
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Graduate Tunneling: Can a Particle Appear in the Barrier?
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Graduate Is J_z|0> equal to zero in QFT for spinor field?
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Graduate Could Inter-Dimensional Interference Explain Dark Matter and Energy?
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Graduate Is an Electron Truly a Point Particle Without Size?
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Graduate Spin-wave approximation - bosonic operator question
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Graduate What is the actual shape of a photon and how can it be measured directly?
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Graduate Is there a link between non-locality and non-linearity?
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Graduate Is MWI Compatible with a Deterministic Interpretation of Decoherence?
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Graduate Ground state wavefunction real?
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Undergrad Question on Passage in Six Easy Pieces
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Graduate Representing a vector in terms of eigenkets in a continuos basis
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Graduate Mass Uncertainty: Position, Velocity & Mass
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Graduate Sum of Histories Simultaneous Paths
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Graduate Second route to a relativistic quantum theory
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Graduate Can we demontrate the convergence of perturbation quantum field theory?
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Graduate Constructing a Pseudo-Quantum Computer
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Graduate Quantum fluctuations in a vacuum
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Graduate How does non-commutativity emerge from path integral?
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Graduate Irreducible representations and elementary particles
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Graduate Does the poincare conjecture disprove the shape of strings in string theory
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Graduate Noether's theorem: quantum version
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Graduate Wave/particle duality - electrons and photons
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Graduate Quantum Confusion: Philosophical Assumptions Behind Mechanics
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Graduate Is quantum mechanics an understood theory?
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Graduate Discover Magazine Article Backward Causality
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Graduate Bosonic operators and fourier transformation.
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Graduate Question about Constructing a Simple Quantum Computer
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Undergrad Help with understanding dual nature of electron.
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Graduate Why do people even teach quantum mechanics without braket notation?
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Graduate Maximum distance of quantum tunneling using an STM
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Graduate Quantum effects in a single-slit experiment
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Graduate Can Light Cones Determine the Absolute Sequence of Quantum Measurements?
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Graduate Concerning the electromagnetic capacity for an electron
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Graduate Measurement disturbance - double slit
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Graduate Spin 3/2 fields & Rarita-Schwinger
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Graduate Do All Gauge Fields Intrinsically Contribute to the Lagrangian?
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Graduate How Is the Natural Linewidth of a Laser Determined?
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Graduate Massive vector boson propagator - Definition
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Graduate Question about the Stern-Gerlach Experiment
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Undergrad What is the source of light emitted from combustion reactions?
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Graduate Can light be considered as information only?
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Graduate Are probabilities for Eigen Vectors of Hamiltonians unaffected as time evolves?
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Graduate How one can deduce the existence of antiparticles
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Graduate Is information ALWAYS conserved in quantum mechanics?
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Graduate Definition of Lagrangian Density?
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Graduate Can recording the dual slit experiment affect future outcomes?
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Graduate Estimating Laser Force: The Relationship Between Photon Momentum and Light Power
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Graduate Why Does the Quantum Harmonic Oscillator's Equation Yield a Gaussian Curve?
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Graduate Significance of wave function and its sign
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Graduate Do time and space occur in quantum units?
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Graduate Quantum Randomness and Free Will
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Graduate Quantum Tunneling and Entanglement
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Graduate Why do the photons produced by a laser have the same phase?
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Graduate Helium Atom Ionization: Dual Electron Energy?
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Graduate Majorana Path Integral: Deriving VEVs of Barred/Unbarred Fields
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Graduate Quantum physics and relativity
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Graduate Confirming Uncertainty: Electromagnetic Fields in Hilbert Space
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Graduate What Happens to Matter Near Absolute Zero and the Role of Bosons?
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Graduate Canonical Variables: What Are They?
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Graduate When particles are not being observed do they still exist?
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Graduate The Klein-Gordon field as harmonic operators
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Graduate Prove that eigenstates of hermitian operator form a complete set
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Graduate Proof of Hellmann Feynman Theorem for TD wavefunctions
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Graduate Is superposition a valid assumption in classical systems?
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Graduate Non-differentiable path in path integral?
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Graduate The inconsistency of quantum nonlocality
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Graduate The solution to the Shordinger's eq.
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Graduate Quantum Entanglement: Entanglable particles?
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Graduate Bell Measurement on 3-qubit GHZ state?
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Graduate Correlation between electronic band structure of an atomic species
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Graduate What determines the number of electrons in an atom
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Graduate Any quantum analog for Betrand's theorem?
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Graduate Runaway Solution in QED: A Discussion with Lorenzo
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