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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 Are Solitons the Only Type of Waves in Wave Equations?
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Graduate Fourier Integral involving a position operator
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Graduate How make a confront between energy levels?
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Graduate What is the Concept of a Fractional Dimension Probability Sphere?
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Is a Website a Reliable Source for Random Bits?
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Undergrad In the formula E=nhf for a photon, what is n ?
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Graduate What Are Quantum Gates and How Do They Relate to Nuclear Spin?
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Graduate Conditions for entanglement to exist
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Graduate Why adj( U(t)) * U(t) = I where U(t) is a propagator in QM?
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Graduate Path Integral & Quantum Mechanics: Beyond the Speed of Light?
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Graduate The temperature is also quantized?
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Graduate Euler-Lagrange equations in QFT?
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Graduate Does frequency make sense in terms of one particle?
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Graduate Electromagnetic field vs. photon(s)
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Graduate Quantum Teleportation: Is it the Biggest Rip-Off Since Miss Cleo?
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Graduate Is There a Definitive Answer to the Existence of Action in Quantum Mechanics?
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Graduate Understanding the Single Photon in Double Slit Experiments
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Graduate Does Supersymmetry Breaking Compromise Poincare Invariance?
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Graduate Which formula for the energy of the first orbital of hydrogen is correct?
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Graduate Propagator Equation: Explaining Integral
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Graduate What does it mean that a wave packet has an uncertainty
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High School Does an electron gain velocity when it drops to a lower energy level in an atom?
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Graduate Are Entangled Photons the Same Particle?
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Graduate What is the Definition of Measurement in Quantum Physics?
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Graduate Can Virtual Particle Annihilation in the Dirac Sea Generate Detectable Light?
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Undergrad How Does Threshold Frequency Support the Particle Theory of Light?
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Graduate What is the paraquantization? How does one develop a geometric pq?
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Graduate What is Propagator in Quantum Mechanics?
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Graduate Quantum physics vs. Quantum Mechanics
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Graduate Covariant quantum field theories
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Graduate Questions about operators in QM
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Graduate How does one develop a Hamiltonian for a free particle?
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Graduate Are Virtual Particles Real or Just a Concept in Physics?
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Graduate Does Moon exist if you don't look at it?
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Graduate Anticommutation Example: Solving for Operator p in Relation to Variable q"
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Graduate Locality/nonlocality for bound states - a question
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Graduate Can i exploit johnson noise to violate the second law?
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Graduate Wheeler's delayed choice gedanken experiment
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Graduate Understanding the Well-Defined Properties of Quantum Systems
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Graduate Can You Fit an Infinite Amount of Energy in a Space?
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Graduate A few questions about QM and QFT.
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Undergrad Electron spin, why do the pairs have to be opposite?
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Graduate I don't understand the paradox of entanglement
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Graduate Understanding Quantum Interpretations to Different Perspectives
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Graduate What is the relationship between HUP and particle accelerators?
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Graduate A few quantum mechanics questions
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Graduate What are the key applications of Relativistic corrections in modern physics?
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Finding Comfort in the Unity of Life: Coping with Unpleasant Events
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Graduate Does Pauli's principle prevent an electron from having infinte energy?
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Graduate What is lacking in QM that String theory wishes to fill up?
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Graduate Lerning the Standard Model and some question about QM
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Graduate How far does the Pauli Exclusion Principle apply?
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Graduate Time ordered product vs. commutator in path integral
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Graduate Path integrals and propagators
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Graduate Quantum field theory vs particle physics
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Graduate Photon-Ghost Coupling: Quantum Lagrangian Density Analysis
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Graduate Best Teleportation Fidelity to date
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Graduate Rough Description of State Space
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Graduate Complete basis for quantum oscillator Hilbert space
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Graduate How does the operator in Bra-Ket notation work in the position basis?
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Graduate What is D-Wave's Progress in Quantum Computing?
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Graduate Understanding Basis Ambiguity in Zurek's Decoherence Paper
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Graduate How did Rydberg rewrite Balmer's equation to determine it was a special case?
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Graduate Measuring velocity and position of a particle
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Graduate Is the study of black holes using entanglement practical?
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Graduate How Does Momentum Measurement Affect Uncertainty in an Infinite Potential Well?
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Undergrad "Comparing Formulas: E=p^2/2m and E=hf
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Graduate About symmetry operation and a corresponding unitary transformation
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Graduate What is Quantum Physics in simple?
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Graduate Where does the energy possessed by a free electron come from
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Graduate Where can I find a comprehensive derivation of the Euler-Lagrange equation?
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Graduate The Spin-Up/Spin-Down Effect in the Stern-Gerlach Experiment
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Graduate Operators and Complete State Descriptions in Quantum Mechanics
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Graduate How does spin justify Pauli's principle?
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Graduate Why do we need a photon to mediate the electromagnetic force?
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Graduate Quarks are smaller then electrons? Are they real or virtual?
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Graduate What is the concept of spooky action at a distance?
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Graduate Have all the electrons in this universe come from a single electron?
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Graduate How Can I Build a Scanning Tunnelling Microscope for Under $150?
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Graduate Expectation Value of Momentum in H-Atom
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Graduate What Are the Best Research Articles on Quantum Dots?
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Graduate Do equivalent quantum states imply entanglement?
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Graduate Penrose: Road to Reality, just out
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Graduate Malus law in quantum mechanics
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Graduate Feynmann diagrams, bhabha scattering
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Graduate Can the Pauli principle be visualized?
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Graduate Under what conditions will quantum effects become important for gravity?
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Graduate Can Kinetic Energy Ever Be Negative in Quantum Mechanics?
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Graduate Demystifying Spin: A QM Intro to Probability & Geometry
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Graduate What Happens to the Wavefunction After Measurement?
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Graduate Wave packets that feel harmonic potential
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Graduate Unclear about the Heisenberg uncertainty principle
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Graduate Generation of polarization entangled photons
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Graduate Hamiltonian of Minimum Uncertainty State
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Graduate What Are Spin Functions and How Do They Work?
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Graduate Perturbation Theory: Higher Order Energy + Deviation from True Solution?
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Graduate Entangled Photons with no shared Past
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Graduate Is the 2-D Wigner-Eckert Theorem applicable to cylindrical harmonics?
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Graduate How Does the Klein-Gordon Hamiltonian Define the Evolution of Field Variables?
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Graduate Is quantum field theory a genuine quantum theory?
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