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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 Mesons Violate Bell's Inequality?
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Graduate How to calculate the photon flux of monochromatic light?
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Graduate Discover Ne^9 Energy Levels Using NIST Database - Missing Values?
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Graduate Time period measured in double slit experiment
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Graduate Can magnetism exist outside of any non-inertial motion, such as spin?
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Graduate Could wave/particle duality have to do with the speed limit of light?
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Graduate Question about quantum computing theory
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Graduate Isn’t Bell’s probability density for hidden variables too restrictive?
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Graduate HUP and the Double-Slit Experiment
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Undergrad The deduction of Fermi-Dirac and Bose-Einstein distrbiutions
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Graduate Double slits separation & electron field size
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Graduate Quantum Time Experiment: Teleporting Information Across Time Confirmed
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Graduate How particles become localized
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Graduate Relativistic derivation of E=1/2MV^2 from QFT or Diriac or other
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Graduate What is the Klein-Gordon equation
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Graduate Spin projections on different axis
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Graduate Two spin 1/2 partcles and spin operators
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Graduate Wave packet moving in a magnetic field
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Graduate Uncertainty Principle and Fourier Transforms
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Graduate No Cloning Theorem: Understand Why It Violates Uncertainty
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Graduate EPR, QM, & Clearing Up Mysteries - Ed Jaynes' Original Goal
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Graduate Atom Wave Function: Definition & Explained
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Graduate Functional Derivatives in Q.F.T.
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Undergrad Is it possible for something to be smaller than a Planck length?
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Undergrad Is Gravity an Observer in Schrödinger's Cat Experiment?
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Graduate Is the cluster decomposition equivalent to no phase transitions?
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Undergrad Advanced Dirac Notation Question
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Undergrad The 4 solutions to the Dirac equation
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Undergrad Van der Waals force in quantum physics
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Graduate Macroscopic systems in the quantum theory book by Asher Peres
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Undergrad Vacuum energy length scale detectable by the Casimir effect?
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Undergrad How can a photon have no mass if it has momentum?
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Graduate Why are there only two possible spin-eigenstates for deuterium's nucleus?
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High School So can I use "wave particle duality?"
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Undergrad Reconciling Determinism and Superposition in Quantum Theory
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Graduate Finding E_J Value of a Qubit: Step-by-Step Guide
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Undergrad Can the Energy of Ammonia Molecule Be Defined in a Non-Eigenstate State?
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Graduate LS vs jj couplings and their selection rules
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Undergrad Question about why QFT in 4D is undefined
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Undergrad Attosecond Physics Explained - Get Your Answers Here
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Undergrad Time evolution of an expectation value
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Undergrad Question about photon wave packets
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Insights 9 Reasons Quantum Mechanics is Incomplete - Comments
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Undergrad What is "to the first order in H"?
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Undergrad Would a Quantum Theory of Gravity dispense with the Inverse....
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Undergrad Lawrence Krauss: Quantum Mechanics is deterministic (video)
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Undergrad Do Photons Decay? QED Predictions & Measurements
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Undergrad Why no position operator for photon?
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Undergrad Single ket for a product of two wave functions
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Undergrad Doesn't the atom in ground state radiate?
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Undergrad Confusion on binding energy and ionization energy.
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Graduate Can we have a proton and an antiproton in the 1^S_0 atomic orbital
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Undergrad Which-path info exists = deterministic context?
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High School Is quantum superposition the same as regular superposition in physics?
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Undergrad Clarifying causes of correlations
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High School Particle properties conclusion from no-slit diffraction
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High School How do I explain quantum superposition?
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Undergrad 1D scattering: Taylor expansion
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Undergrad Locality and Wave Function Collapse Implications
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Undergrad Doubt in the quantum harmonic oscillator
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Undergrad Particle in a box experiment confirmation
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Graduate Why is this Pilot-wave model on a discrete spacetime stochastic?
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High School How can a mirror reflect 99,999% of incident light?
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Insights The Quantum Mystery of Wigner's Friend - Comments
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Undergrad Can Two Particle-in-a-Box Systems Interact to Affect Entropy?
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Undergrad Very simple explanation of Wigner's friend needed
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Insights A First Idea of Quantum Field Theory - 20 Part Series - Comments
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Graduate Vector sum schemes for LS coupling & jj coupling
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Undergrad Two identical spin 1/2 particles
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Graduate Path Integral Approach To Derive The KG Propagator
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Undergrad Trouble with cubical cavity radiation
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Undergrad New book on the foundations of quantum mechanics
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High School Taking Quantum Computers into Space
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Undergrad Double slit interactive detector
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Undergrad Calculating the number of energy states using momentum space
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Undergrad Divergent vacuum uncertainty of fields in QFT, how to resolve?
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Undergrad Confusion about the Concept of Operators
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Undergrad Space is discrete or continuous?
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High School Is Born's rule really verified?
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Undergrad How to quantum mechanically describe the photon?
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High School Are there unverifiable assertions about probabilities
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Undergrad Does String Theory Justifiably Extend Gravitational Laws to Sub-Planck Lengths?
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Undergrad Normalisation constant for identical particles
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High School Why is L=2 not acceptable for carbon according to Hund's second rule?
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Undergrad Does Quantum Mechanics Suggest a Conservation of Possibilities?
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Undergrad The Planck length and string theory
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Undergrad Arrow of time and its reversal on a IBM quantum computer
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Undergrad Relation between spectral radiance and density of cavity
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Undergrad "Basic" question about Grover's Quantum Computing algorithm
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Undergrad Will quantum computation lower energy requirements?
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Undergrad Entanglement vs. Coherence in SPDC
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High School Delayed choice quantum communication - "Berlin riddle"
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Undergrad Maxwell Tensor Identity Explained: Deriving Formula 8.23 in Schawrtz's Book
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Undergrad Requesting help with the uncertainty principle equation
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Undergrad Vacuum projection operator and normal ordering
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Undergrad Solving Quantum Mechanics Integral Equation: How to Get from (1) to (2)?
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Undergrad General solution to the Time-independent Schrödinger equation?
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Undergrad Against Collapse: A Mathematical Argument
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Graduate Has the 2-stage Stern-Gerlach experiment been performed?
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Graduate Renormalization (Electron self energy)
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