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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 Wave function of Stationary State
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Graduate A simple QM experiment analysis question
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Undergrad Virtual Particles: How can they be responsible for attractive forces?
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Graduate Understanding Bose-Hubbard Model: Senior Guide
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Undergrad Solving the Mystery of Energy Levels in Hydrogen Atom - Jules
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Graduate Why does the amplitude <p |T| p'> have the dimension of a volume?
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Graduate Direction of vector precession
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Graduate Boundary between deterministic reality and probabilistic reality
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Graduate What Are the Effects of Dispersion and Uncertainty on Wave Packets?
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Can a vulcan study quantum mechanics ?
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Graduate Invariance of the action under a transformation
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Undergrad Help Understanding "Energy Levels" in "Particle in a Box"
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Graduate Significance of Phase Factor in Quantum Mechanics Measurements
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Graduate Simple question about spontaneous particle production
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Undergrad Difference between fluorescence and phorforescence
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Graduate A variation of the double-slit experiment-myth or did somone really do it?
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Graduate Continuity of Function and Derivative at boundary.
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Graduate Pilot Wave Theory: Mechanics Explained
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Graduate Measure Momentum: Experiments & Eigenstate Detection
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Graduate Cardinality argument in the Casimir effect
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Graduate What is the Correct Form of the Uncertainty Principle?
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Graduate Entangled Electrons: The Mysteries of Non-Locality and Time Travel Explained
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Graduate Double Delta Potential Problem Solution
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Graduate Proving lorentz invariance of Dirac bilinears
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Graduate What is the Difference Between Locality and Separability in Quantum Mechanics?
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Graduate Variational Method: Approximating Complex Wave Functions with Real Quantities?
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Graduate Proving Commuter Operators: X & P
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Graduate Why no EOM in QFT with higher than second order derivatives in time and space?
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Graduate What is physical significance of g factor?
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Graduate One question on average thermal velocity of free electron in metals
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Graduate Four Point Correlation function from Generating Functional
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Graduate Quantum weirdness of photon behavior
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Graduate Functional Quantization of Scalar Fields
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Graduate Solving Bra-ket Multiplication: <n|(a-+a+)^4|n> = 5n2+5n+3
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Graduate Understanding of the Fermion, Boson difference
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Graduate Is the total angular momentum operator J a spherical tensor operator?
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High School A question about plank constant
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Graduate Algebraic (ladder) solutions in QM
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Graduate Is Wave Theory the Key to Understanding All Physical Phenomena?
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Graduate Question about the nature of electrons and the strong force
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Graduate Srednicki 9.17, 9.18: Sum of Diagrams with Single Source Removed
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Graduate What is the QFT picture of forces?
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Graduate Understanding Wave Functions: A Comprehensive Guide
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Graduate Why graviton particle theory concept is not accepted?
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Undergrad How does an Electron 'jump' from one orbit to the other?
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Graduate How Does Pauli-Villars Regularization Handle Three Types of Divergences?
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Graduate Branch-cut singularity and the multiparticle contribution to the full propagator
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Graduate Do we really need loop diagrams?
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Graduate Is the concept of electron shells conceptually realted to quantum tunnelling?
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Graduate Basic question on QFT and the standard model
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Graduate Constructing Wave Function for N-Electron System
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Graduate The wave nature of the wave function.
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Graduate The Frequency of one Photon?
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Graduate Finding the Trace of a Product of 4 SL(2,C) Matrices | Helpful Guide
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Graduate Nonlinear vacuum permittivity?
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Graduate Multitude of Quantum Mechanics questions
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Graduate Is gravity really just an electromagnetic field on a larger scale?
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Graduate Uncollapsing a State: A Fresh Look at the Measurement Problem
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Graduate Entangled particles and measurement
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Graduate The particle INSIDE the barrier
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Graduate Loschmidt's paradox-II: Quantum Decoherence
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Graduate Amplitude damping with harmonic oscillators
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Graduate Attosecond Spectroscopy, QM, and Atomic Geometry
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Graduate Wave particle duality as applied to photon
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Graduate Variational method in a finite square well
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Graduate Can Operators A and B Always Be Applied to a General State in Tensor Space?
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Graduate How can I get the wave function
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Graduate Determinism of the wave function
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Graduate Defense of pilot wave theory against Motl
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Graduate Recovering the generator of rotation from canonical commutation relations
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Graduate Uncertainty principle and standard deviation.
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Graduate Entanglement: Understanding the 2 Electron System States
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Graduate Since protons are not spherical, are their charge fields non-spherical?
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Undergrad What is Field? Understanding its Nature and Properties
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Undergrad How many electrons in all of 6f oribtals?
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Graduate Solve 1-D Potential Barrier: Electron, Width 8 Angstroms, Depth 12eV
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Graduate Solving Entanglement Q: EPR Paradox & Quantum Computing
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Graduate Eigenstates of the Hamiltonian
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High School How Does a Red Ball Absorb and Reflect Light?
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Graduate Heisenberg Uncertainty Principle
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Graduate Quantum Observer: Can We Perceive Atomic Reality?
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Undergrad What Causes Saturated Absorption in Materials?
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Graduate QFT Recipe: Outlining the Formal Structure
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Graduate How are electrons considered waves?
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Graduate Entangled protons in a crystal lattice
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Graduate Probability Current Density or Flux
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Graduate Input and Output with a Quantum Computer etc
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Graduate A question about probabilities
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Graduate Entanglement and String Theory
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Undergrad Gaussian Wavepacket Tunnel Through double barrier
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Graduate Representation of second quantization
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Graduate What Does Dominate Mean for Quantum Effects at the Planck Length?
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Graduate State/wave function after measurement?
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Graduate Susceptibility: Imaginary Part = 0 - What Does it Mean?
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Graduate QFT Lorentz transformation question
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Graduate Raising and Lowering Operators
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Graduate Properties and Elements of SO(4) Group in 4 Dimensions
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Undergrad What Are the Best Beginner Resources for Learning Quantum Cryptography?
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Graduate Discrete and continuous confusion
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Graduate Deriving Schrodinger Eq. from Complex Plane Wave: Erwin's Way
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