Quantum Physics Forum

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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 Double slit experiment for layman
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Undergrad Ratio between spontaneous/stimulated emission
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Graduate Large scale Quantum computing developments
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Graduate A need for an exactly solvable model
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Undergrad Mandel quantum eraser: No signal/idler-correlations needed?
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High School Understanding the Purpose of Dirac Spin Matrices
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High School How does beta disintegration work?
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Undergrad Elementary question about energy
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Undergrad Is there any way to get a geometrical description of QM
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Undergrad 'Localization,' particle motion, and quantum fluctuations....
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Undergrad Why do quarks prefer to live on top of fluctuating gluon fields?
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High School Is Energy Truly Quantized in De Broglie's Equation?
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Undergrad How important is light in the Observer Effect?
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Graduate Quantum states and representation freedom
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Undergrad If an object is not quantized does it have a wave function?
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Undergrad How Does Shankar's PQM Derive Schrödinger's Equation?
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Graduate Help to rewrite Dirac equation
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Undergrad The nature of wavefunctions collapse
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Undergrad Understanding Entanglement: What it Means & How it Works
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Graduate How do you visualize quantum spin?
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Graduate Variation in Schwinger's quantum action principle
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Undergrad The Arrow of Time and the Reversibility of Decay Processes in Physics
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High School Is the wave function collapse asymmetrical in time?
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High School Boundary between Quantum and Relativity
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Undergrad Criss-cross multiple double slit experiment paths?
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Graduate Ground state wave function from Euclidean path integral
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Undergrad Why Use Different Components for E>0 and E<0 in Dirac Equation?
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High School Understanding Fourier Transform for Wavefunction Representation in K Space
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Undergrad State Representation in QM and Vector Spaces
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Undergrad Lorentz invariance of quantum theory
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High School QM Humor: "Heisenberg Uncertainty Principle
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High School What is the UV catastrophe and how does it challenge classical physics?
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Undergrad I can determine the photon path in delayed erasure
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Undergrad Is QM Ignorance Truly Bliss in Understanding the Many Worlds Interpretation?
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High School A quick question about entanglement
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Undergrad Calculating Delta Function Ordering: Position and Momentum Operators Explained
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High School Double slit and DCQE with future prediction
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High School What are some easy ways to show quantum mechanics
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High School The Chinese have proposed teleportation of a bacteria
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High School Why is Quantum Physics so Strange?
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Undergrad Is Schrodingers cat real or just a way to put a lack of data
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Undergrad Energy associated with entangled particles
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Undergrad Is Energy Entanglement Possible?
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Undergrad Most Ridiculous Papers You've Ever Read
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High School Question about Hamiltonian and kinetic energy
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Undergrad Probabilities in many body systems....
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Undergrad Why is the Pauli Exclusion Principle not a force?
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Undergrad Canonical Quantization: Choosing the Right Lagrangien
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High School Bose Condensate: The Repulsive Nature and Inability to Penetrate Ceramic
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Undergrad One Way vs. Entangled Cryptography
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Undergrad Commutator Properties: [A,B]C+B[A,C]=[A,B](C+B)?
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Undergrad Peres-Horodecki criterion for a 3-qubit system
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Undergrad Proving The Church-Turing-Deutsch Principle
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Graduate A question about the electron self-energy correction
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High School Build a "full" wave function without data in simple problems
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Insights Interview with a Physicist: David J. Griffiths - Comments
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High School Is the Heisenberg Uncertainty Principle Equivalent to One Bit of Information?
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Undergrad Does the electron field carry information about its charge
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Undergrad Physical significance of nodes?
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Undergrad Will the kinetic energy operator change with a variable shift?
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Graduate How to calculate the Wigner function for an entangled state
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Undergrad How are quantum bits implememted?
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Undergrad Why do we need perturbation theory
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Undergrad Qubits: Can We Store Information Again After Read?
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Undergrad Double slit experiment with electrons
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Graduate Are all wave functions with a continuum basis non-normalizable?
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High School Simple proof of Bell's theorem
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Undergrad A question about the delayed choice quantum eraser experiment
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Undergrad How Does Environmental Interaction Affect Quantum Decoherence and Localization?
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Graduate Overlap of Ground States in Quantum Field Theory
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High School Electron diffraction experiment puzzle
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High School Photoelectric effect and metal's delocalised electrons
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Graduate The Mystery of Photoresist Ridges: A Question About Light and its Behavior
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Undergrad Numerical solution of Schrödinger equation
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Undergrad Does the double-slit experiment create path-entangled states
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Graduate What is the most general mathematical framework for quantum
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Undergrad A question about momentum integrals and lengths
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Undergrad Understanding Coherence in Quantum Mechanics
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Undergrad What does it mean -- polarization of a single photon?
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High School What is the Mass of Photons According to QFT?
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High School So Schrodinger's cat is a gambler
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Graduate Spontaneous symmetry breaking - potential minima
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Undergrad Obtaining Spherical Harmonics to Normalized Angular Wave Functions
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Undergrad Do photons of all energies exist?
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Graduate Quantum Field Theory - Why quantise fields?
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High School Gauge Boson Exchange: Do Particles Influence Each Other?
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Undergrad Determining Electron Dipole: Experiments & Results
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Undergrad Molecular Hamiltonian - Ammonia
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Undergrad Quantum Mechanics is not a description of reality?
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Undergrad What destroys interference: Possibility or actual measurment?
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Undergrad What is the mechanism behind Hawking radiation?
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Graduate What is the true definition of the covariant gamma matrix ##\gamma_{5}##?
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Undergrad Laser Beam through Calcite crystal = Photon Entanglement?
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Graduate Identification of particle and antiparticle in lagrangian
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Graduate Value of Mexican hat potential
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Graduate Why Can We Drop Constant Terms in Quantum Field Theory Lagrangians?
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Undergrad Understanding Spin Basis & Representation in Modern Physics | Explained
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Undergrad Unruh effect, temperature and particle density....
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Graduate What are the failed experiments to determine electron's position?
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Undergrad Can Bell's theorem contradict PBR ?
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