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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 Coulomb potential in Kohn-Sham DFT
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Graduate Successive Measurements of angular momentum
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Graduate How Does Electron Decay in a Magnetic Field Work?
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Graduate Klein-Gordon Equation & Continuity Equation
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Graduate Fining Clebsch-Gordan coeffs in special cases, alternate method
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Graduate Time Confirmed: Arrow of Time for Particles
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Graduate Jacobian in path integral equal to one?
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Graduate On the quantum theory of radiation
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Graduate Expectation values of harmonic oscillator in general state
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Graduate Diffraction Pattern of Buckminsterfullerene
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Graduate How to incorporate spin into the wavefunction?
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Graduate Welcome Physics Lovers! Ask Your Questions About Electron Spin
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Graduate Are Equivalent Wave Functions Physically Equivalent in Quantum Mechanics?
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Undergrad Photoelectric Effect: Why Can't Low Freq Light Excite Electrons?
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Graduate Measuring "Velocity" in Quantum Mechanics: Meaning of the p/m Operator
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Graduate A electron can exist in everywhere ?
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Graduate The reality of Configuration space
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Undergrad Wave Fns Overlap: Electron & Hole WF
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Graduate Gauge Symmetry in Quantum Mechanics (QM I) Explained
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Graduate Expanding a translation operator
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Graduate Can We Send Information FTL Through Entanglement?
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Graduate Electric polarization of free space
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Graduate Ladder Operators and Dirac as the source.
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Graduate Understanding the Covariance of the Spin Projection Operator in Rest Frame?
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Graduate Why do wavefunctions have a complex part in the Schrodinger wave equation?
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Graduate Using Path Integral to calculate propagator
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Graduate What Are Quantum Numbers and How Are They Calculated?
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Graduate Obtaining Higher Angular Frequencies in QHO Excited States
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Graduate What is the correct method for solving the infinite square well energy problem?
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Graduate Operators Commutation: Explaining P(x), L(y)
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Graduate Doing a Minor Presentation of Parity/Chirality
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Graduate Is the Expectation Value of Momentum Always Zero in Time-Independent States?
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Graduate Is quantum entanglement fully understood?
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Graduate Observations in Classically Forbidden Region
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Graduate Quantum teleportation question
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Graduate Entangled photons in bell experiment: transfer phase or angular momentum?
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Graduate Understanding spin and axis in quantum entanglement
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Graduate Parameter μ dimensional regularization qed
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Graduate Stupid question on anomalous magnetic moment of the electron
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Graduate Calculating the state for Helium
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Graduate Observables commute and time operator
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Graduate Flux Trapping Effect: Magnetic Levitation & Suspension Explained
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Graduate Need some help with wave function/QM properties. Thanks
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Graduate Proof of Entangled Particles being Indetermined
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Graduate Dirac Notation, Observables, and Eigenvalues, OH MY
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Graduate Energy time uncertainty principle
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Graduate Potential Well - a theoretical question
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Graduate HUP in QFT and QM:virtual particles
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Graduate Everyday analogy why hidden variables can’t explain entanglement
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Graduate Questions about Free Will Theorem
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Graduate What happens to the continuity of wave function
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Graduate Treating Mass as a perturbation
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Undergrad Classical physics vs quantum physics
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Graduate Derivation of current density in quantum mechanics
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Graduate Convergence of Atomic Orbitals 2s and 2p with high Z number
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Graduate Quantum tunnelling and black holes
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Graduate Gravitational/Electrostatic self-interactions of wave function
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Graduate How photoelectric effect shows particulate nature of light?
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Graduate Can velocity and wavefunction help prove Probability Current Density?
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Graduate Why is hydrogen stable but lepton pairs aren't?
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Graduate Estimate decoherence time and length?
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Graduate Stupid question on the qed renormalization
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Graduate Quantised energy of a confined system
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Graduate Energy transfer during photon interaction
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Graduate Understanding Quantum Tunneling: Is the Schrodinger's Equation the Key?
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Graduate Can We Measure Velocity with Zero Uncertainty?
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Graduate Quantum transistors in aircraft aileron control systems
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Graduate Doubts about heisenbergs uncertainty principle.
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Graduate Exponental Tunnelling Factor (Electron Microscope)
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Graduate Spontaneous vs Stimulated Emission
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Graduate Some questions about Vibration and Quantum Physics(Pretty simple I think)
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Graduate Explaining Pure States and Stationary States in Quantum Mechanics
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Graduate What causes the repulsion between an electron and proton in the hydrogen atom?
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Graduate Complete sets and eigenvalues question
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Graduate Tackling the middle ground of quantum mechanics
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High School How do you build a double-slit experiment at home?
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Graduate Classical vs Quantum mechanics
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Graduate QM Puzzle: Can One Particle Have Multiple States?
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Graduate Calculating <p>_c for Charge-Conjugated Dirac Spinor
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Graduate Heisenberg picture manifests Lorentz invariance?
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Graduate Quantum vacuum nothing or sea of energy
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Graduate How to interpret the field function Φ in QFT?
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Graduate PBR no-go theorem: Is ψ epistemic or ontic? An experimental test
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Graduate Peskin & Schroeder p. 285, change of variables integration measure
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Graduate QFT Question: What is meant by dipole form ?
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Graduate Energy Level Transitions, transition time for e- to change energy states in atom
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Graduate How is Eq. 31 Derived in the Foldy Wouthuysen Paper?
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Graduate Angular momentum ladder operators and state transitions
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Graduate Why won't this information sending work?
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Graduate What causes superpositions to collapse when particles are observed?
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Graduate Understanding Group Velocity for Wave Packets in a 1-D Particle in Box
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Graduate Feynman Diagrams: Does Distance Affect Electromagnetic Interaction?
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Graduate What is a virtual photon and how is it used in quantum field theory?
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Graduate Entangled particles and relativity
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Graduate Confusion (8) from Weinberg's QFT.(Lippmann-Schwinger eqn)
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Graduate Transformation properties of derivative of a scalar field
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Graduate So, does God play dice with the Universe or not?
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Graduate Wavefunction collapse and antisymmetry
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Graduate Phase and Gauge Transformations
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Graduate Conceptual underpinning(s) of the QM projection postulate
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