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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 Universal quantum physics
Graduate Gauge transformations at infinity
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Undergrad What's wrong with Quantum Mechanics and its teaching?
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Undergrad Scattering, 4 point correlator, number of distinct Feynman diagrams
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High School Photons -- do you know what they are?
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High School Quantum entanglement and relativistic simultaneity
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Undergrad Trying to model wave function collapse
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Graduate What’s the physical nature of the pilot wave?
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Graduate Quantized Dirac field calculations
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Undergrad Some said 1000's of experiments support superposition but
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Undergrad Do slits absorb photons at the edges?
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Undergrad Where Can I Find Loudon's Paper on Two-Particle Interference Online?
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Graduate Total derivative of momentum in quantum mechanics
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Undergrad Question about Delayed Choice Quantum Eraser
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High School Time dilation and quantum entanglement.
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High School Is this a good understanding of superposition?
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Undergrad Modeling EPR - Local or Non-Local
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High School Why did Max Planck quantize light?
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Undergrad What inspired Dirac's formulation of quantum theory?
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Undergrad Virial theorem as applied to hydrogen atom
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Undergrad Derivative = 0 is always minima? (Linear variational method)
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High School Electrons interfere with eachother?
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Undergrad The problem with measuring short distances
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Graduate What happens mathematically when a wave function collapses
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Undergrad Still unclear on superposition
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Undergrad Why can't all bits of an entanglement be read at once?
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High School What Are the Connections Between 120-Sided Dice and Eigenvalues?
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Graduate Normalizable States in QM: Bound vs. Scattering
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Undergrad Constraints on potential for normalizable wavefunction
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Undergrad How do we measure the EM field that a particle produces?
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Undergrad Could Hidden Variables Explain Quantum Mechanics without Locality?
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Undergrad Trying to understand the interference limits of matter-wave
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Undergrad Bell test where observers never were in a common light cone
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Undergrad Can Quantum Fields be derived from Particles?
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Undergrad Understanding the Wave Function to dψ^2/dx^2 and Its Properties
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Graduate Stephen Weinberg on Understanding Quantum Mechanics
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Undergrad Understanding Double Slit interference and Uncertainty
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Undergrad Too much info for multiparticle wave function?
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Undergrad A, a† etc. within integrals: does it have to be so hard?
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Undergrad Entanglement and photon polarization
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Undergrad Quantum Mechanics does Riemann Zeta Function
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Undergrad How do i find the eigenvalues of this tough Hamiltonian?
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High School Commonly quoted PF article required.
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High School Blackbody Radiation: Explaining Ultraviolet Catastrophe & Planck's Solution
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Undergrad Decomposing a density matrix of a mixed ensemble
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High School Conservation of Total Spin in the Stern Gerlach Experiment
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Undergrad Understanding Abstract Kets & Hilbert Space
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High School Irreversibility vs reversibility
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Undergrad Confused about complex numbers
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High School "Distribution" of a particle in different situations
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Undergrad Understanding the Form of the Y(2,0) Spherical Harmonic
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High School What is the best way to imagine a photon?
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Graduate Paper Spelunking: "Particle Creation by Black Holes" - S.H.
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Undergrad Is Entanglement Commutative in Quantum Computing?
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Undergrad Two orthonormal bases that span the same space
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Undergrad Help with Math in Quantum Mechanics: Variational Method
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Undergrad Phase Space and two dimensional Hilbert Space
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Undergrad What does the Hadamard correspond to in hardware?
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Undergrad Amplitude moving through detectors
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Undergrad What Is the Physical Significance of ##\beta_{tot}## in Molecular Polarization?
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Graduate Reduced Density Operator and Entanglement
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Undergrad How Does Wave Function Collapse Work in Quantum Mechanics?
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Undergrad What Is the Meaning of Simultaneous Reality in the EPR Paradox?
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Undergrad What is the significance of the Lande g-factor in nuclear physics?
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High School The Wave Function of Our World: How Does It Emerge?
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Undergrad Do we still experience quantum effects in decohered systems?
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Undergrad Time Difference on a quantum level
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Graduate Bell's theorem mathematical content
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Undergrad My stupid question about particle-wave duality
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Undergrad What Happens When a Photon Hits an Electron?
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Undergrad Question about time-variant Schrodinger's eq'n
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Undergrad Question(s) about Dirac notation
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Undergrad What does the state vector mean?
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Undergrad Behavior of successive measurements
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Undergrad Why Does Quantum Mechanics Require Complex Numbers?
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High School Why is state transition probability symmetric?
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Undergrad Xt - Understanding Dipole Moment Components in Rigid and Non-Rigid Molecules
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High School Quantization of energy and ultraviolet catastrophe
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Undergrad Real world process that results in reciprocal wavefunction
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Undergrad Understanding Orthogonality: QM Lectures by Dr. Physics A
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Undergrad Photon number state and Doppler shift
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Undergrad Why is the total number of quantum states = 2n^2 for some n?
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Undergrad Understanding Change of Basis & Superpositioning of States
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Undergrad Are superposition states observable?
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Undergrad Do operators A and Hamiltonian share a set of eigenfunctions if they commute?
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High School Quantum mechanics and the macroscopic
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High School How does sideband detection work in a Penning trap?
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Undergrad Could a Negative Dimension exist
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Undergrad Help in understanding a quantum circuit
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Graduate Gauge transformation of gauge fields in the adjoint representation
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Undergrad Is chirality a conserved quantity?
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Undergrad Who will win -- Pauli or Einstein?
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Undergrad What does a superposition of states mean in quantum mechanics?
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High School Scientists evade the Heisenberg uncertainty principle
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Undergrad Understanding Entanglement Measures and the Bloch Sphere Representation
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Undergrad How do electronics in tranistors tunnel if decohered
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Undergrad On-Demand Photon Pairs: Entanglement or Necessity?
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Undergrad Symmetric, antisymmetric or neither
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Undergrad Calculating the probability density of a superposition
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Undergrad Spin quantum numbers: correct names and formulae?
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Undergrad Quantum-Mechanical treatment of circuits
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