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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 One does not “prove” the basic principles of Quantum Mechanics
High School Does quantum mechanics explain why subatomic particles behave the way they do?
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High School Why do the 4 forces have the strength that they do?
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Undergrad Understanding Spin-2 Bosons & Graviton Theory of Gravity
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Undergrad Why electron enters the lowest potential possible?
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Undergrad Mapping between rotations and operations: sign & handedness
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Can the Markov chain be used in qubit manipulation?
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Undergrad Energy quantization of the particle in a box
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Graduate Optical Bistability and the Jaynes-Cummings Model
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Undergrad A special relativity explanation for the Lorentz Force?
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Graduate Liouville Master Equation for an Open Quantum System
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Undergrad Probability density and kinetic
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Undergrad Does the probability collapse theory of QM imply backward in time
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Undergrad Confused about slater determinant for excited states
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High School How Do Virtual Photons Mediate Forces in Quantum Electrodynamics?
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Undergrad Spin up and Spin down states can be written as .... why?
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Undergrad Can interactions happen at less than the Planck Time?
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Undergrad Normalizing Constant 3D Infinite Well
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Undergrad Virtual particles in Feynman diagrams and not
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Undergrad Expression for Uncertainty of Arbitrary Operator
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Undergrad Why is there a -1/2 in the Lagrangian density for ω mesons?
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High School Do probabilities for entangled polarization states add up to one?
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Undergrad Postulates for the formal core of quantum mechanics
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Graduate Fermi energy Ef changes with applied electric field?
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Graduate What is a "quantum potential" ?
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Undergrad Wave-particle duality and localization
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High School Faster than light communication via entanglement?
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Undergrad Difference between expectation value and eigenvalue
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Undergrad Understanding Electron Spin: Deep Theoretical Reasons Explained
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High School The sticky elactic in the Bloch sphere
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Undergrad Spin states for two identical 1/2 particles - Confused :s
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Graduate Quantum Optics Question and Wigner Functions
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Graduate Is Phase Relevant for Uncharged Particles?
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Undergrad Help With Black Board EQ's in a P.A.M. Dirac Lecture
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Undergrad Unraveling the Mystery of Particle Spin Numbering System
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Undergrad How to prove Schrodinger's equation in momentum space?
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High School Do Photons Contribute to the Energy Released in Nuclear Explosions?
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Graduate Euclidean signature and compact gauge group
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Undergrad General Solution of Dirac Delta Potential Well
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High School Does Photon Emission Cause Decoherence?
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Undergrad Why is reflection coefficient defined this way
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High School What takes up the empty space of an atom?
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Graduate Time correlation of an observable in the Schrödinger picture
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Graduate Why use adiabatic evolution instead of cooling?
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High School When are particles in a quantum state?
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Graduate What's meant by D dimensional gas?
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Undergrad Do entangled particles exist in superposition?
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Graduate Steane Code, Distance 3-Stabilizer-Codes
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Undergrad How Do Photons Behave When They Intersect?
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Undergrad Teleportation isn't exclusively quantum....?
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Undergrad The barrier length in quantum tunneling
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Graduate Water molecule first hyperpolarizability
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Graduate Dispersive Regime in Jaynes-Cummings Model
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Undergrad Thermal radiation and light pump
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Undergrad Software Designs Quantum Experiments
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Undergrad How can I write a normalized spin superposition in a simplified form?
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Undergrad Weinberg Lectures on QM (2013 ed.), Equation 6.5.5
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What is the relationship between the Casimir force and the strong nuclear force?
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High School Is Solving Schrodinger's Equation the Best Way to Approach Quantum Mechanics?
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Undergrad Transmission coefficient limit
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Undergrad What are magnetic and electric fields?
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Undergrad Can an Electron Absorb a Photon if the Next Energy Level is Full?
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Undergrad Quantum field and mediating particles
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Tracks in particle detectors and quantum paths
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Graduate Computation time for adiabatic evolution
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How gravity affects wave function collapse
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Undergrad Does Adding Detector D5 After BSa Affect the Interference Pattern at D0?
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High School The Lightness of Being: Frank Wilczek's Lay Book
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High School What is the connection between unitarity and thermodynamics?
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Undergrad Can subspaces be used to determine probabilities in quantum mechanics?
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Undergrad Particles from a thermal source
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Undergrad Are the 2nd and 3rd axioms of QM incompatible?
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Undergrad QKD Question: Alice & Bob Detector Cross-Checking
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High School Quantum Interactions happen where?
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Undergrad Are virtual particles real or just math filler
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Graduate Is non-locality a necessary consequence of the Bell theorem?
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High School Bell's Inequality && polarisation for the layman
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Graduate How does negative chemical potential influence fugacity in an Ideal Bose Gas?
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Undergrad Difference between atomic behavior in QM and classical physics
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Undergrad Spin Offsetting Charge: How Electrons Balance Out
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Undergrad Infinite Sq. Well sinusoidal gen. soln question
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High School Proving entanglement using polarisation & Bell's Inequality
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Undergrad Are physical constants subject to the uncertainty principle?
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Graduate Is measurement a yes/no process?
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Undergrad Finite vs. Infinite Square Well potential base question
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High School Decoherence and the Dust Particle
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High School What is the Hamiltonian operator for a decaying Carbon-14 atom?
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Undergrad Delta fuction potential general solution
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Undergrad Representation between State Vector & Wave Function
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Undergrad How exactly does squaring operators (e.g. <p^2> work?
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Can decoherence be formulated in the Heisenberg picture?
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How to change density of states to eV
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Quantum non-locality and vacuum polarization
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Is the direction of spin changed by measurement?
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Photon anti-bunching as necessary for BS entanglement
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Relativistic standing wave electrons?
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Insights Struggles with the Continuum - Part 6 - Comments
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Lorentz transformations and vector fields
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What's a firm/good definition of an "attractive" potential?
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How can the Higgs boson have mass?
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Spin wave function of a system of 2 electrons
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