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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 New interpretation for the double slit experiment with light?
Graduate Understanding Slater Determinants Using He 1s2 & 1s12s1
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Graduate How different can quantum vacuums be?
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Graduate Relationship between measurement and temperature
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Graduate Raman Spectroscopy: Why Peaks of Stokes Higher than Anti-Stokes?
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Graduate Resolution to the Delayed choice quantum eraser?
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Graduate Polarisation destroying interference pattern for double slit
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Graduate Experimental verification of matter waves?
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Graduate Entanglement Geometry: Extra-Dimensional Spacetime or Wave Nature?
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Graduate Can We Track a Photon's Path in the Double Slit Experiment?
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Graduate Does classical vacuum permittivity have a QM analog?
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Graduate Kronecker function products - matrix format
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Graduate What if Planck Constant is Zero? Effects in Quantum Explored
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Insights Some sins in physics didactics - comments
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Graduate Do momentum and kinetic energy operators always commute for a free particle?
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Graduate How to estimate the power of laser beam
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Graduate Decoherence and double-slit with eraser
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Graduate Particle in a box with the finite depth
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Graduate About wavepacket unit and probability
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Graduate Bra's and Ket's independent of basis?
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Graduate How 2 particles become entangled?
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Graduate QED renormalization in Peskin's
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Graduate Exact solutions for potential V=(|x|-a)^2
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Graduate Is Light a Particle or a Wave According to Quantum Theory?
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Graduate Wavefunction collaps past/future effect
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Graduate What is QCD (quantum chromodynamics)?
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Graduate What is the Entropy of a System with Doubly Degenerate Energy Level?
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Graduate Double slit experiment with 2 detectors
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Graduate What Does the Linear Combination of Ψn Bases Mean for Quantum States?
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Graduate Probability function being imaginary?
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Graduate What is the equivalence to the free field in the interaction picture?
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Graduate Deduction of the action of this unitary on the wavefunction
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Graduate Electron wave function in quantum cascade laser?
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Graduate Pauli Exclusion Principle: how does an electron know its state?
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Graduate What if elementary particles do have size
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Graduate QM & Consciousness: Has Theory Been Disproven?
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Graduate Why there is mod 2pi in Berry phase?
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Graduate Why are quantum computers faster than classical computers?
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Graduate Particle in a Box: Degeneracy Explained
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Graduate Understanding Electron Movement with Heisenberg's Uncertainty Principle
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Graduate Principal quantum number n is an integer, Why?
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Graduate Why Does Zitterbewegung Imply Double the Expected Relativistic Energy?
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Graduate Lagrangian of a Photon: Understanding the Fundamental Particle in Light
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Graduate Practical stuff in quantum physics
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Graduate Probability over universe = 0 or 1?
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Graduate Mathematics of entanglement in quantum erasers
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Graduate Understanding the Unruh Effect on Accelerated Teapots and Boiling Water
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Graduate Do wave functions go to zero at ~ct?
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Graduate Why chiral fermions don't exist in odd dimensions?
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Graduate Inner product for vector field in curved background
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Graduate What does the g-factor, from say ESR, tell you?
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Graduate Understanding Bell Theorem: A Noob's Perspective
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Graduate BEC question about number of excited particles
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Graduate I wonder what the name of this normalization process is
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Graduate Euclidean Feynman rules for QED
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Graduate Explanation of wave-particle picture, light
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Graduate Hamiltonian in the position basis
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Graduate Entangled "information" sent faster than light (....not)
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Graduate The Uncertainty of Time in Quantum Mechanics
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Graduate Vacuum state Lorentz invariance
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Undergrad Transform from Magnitude of P to R
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Undergrad Resting masses of isolated neutrons versus neutrons in atoms
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Graduate Product of two exponentials of different operators
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Graduate How Does Chirality Affect the Dirac Adjoint in Quantum Mechanics?
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Graduate Are Additional Postulates Hidden in the Quantum Derivation from Galilei Algebra?
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Graduate Does charge conjugation affect parity?
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Graduate Eigenfunction/Eigenvalue question
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Graduate Would an idea be a particle or a wave or both?
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Graduate Why does not the graviton cause wavefunction collapse?
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Graduate What is the physical definition of a state in quantum mechanics?
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Graduate Pilot Wave Theory: A Different Perspective on Quantum Mechanics
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Where can I get Casimir plates?
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Graduate Locality, unitarity & vacuum energy
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Graduate What is the collision probability for an energetic photon in free space?
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Graduate How Do Tensor Products Model Multi-Particle Operators in Quantum Mechanics?
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Graduate What does Higgs partcle impart mass to?
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Graduate Issue with integral in dimensional regularization
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Graduate Understanding Photon Polarization with Dirac's Principles of Quantum Mechanics
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Graduate Very basic question on Hamiltonian representation?
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Graduate Quantum fluctuations and order
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Graduate Collapse with and without measurement
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Graduate Quantum oscillator from position to momentum space
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Graduate Why does the rate of transitions depend on the population of the ground state?
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Graduate Rotational Spectra of Diatomic Molecules
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Undergrad What causes paramagnetism and diamagnetism
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Graduate How Does the Quantum Monty Hall Problem Challenge Classical Probability?
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Graduate Definition of the Path Integral
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Graduate Computing Entanglement Entropy of CFTs in the Large-c Limit
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High School Is the cat alive, dead, both or unknown
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Graduate Is the wave function more like a soccer ball, or a golf ball
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Graduate Quantum Physics behind the greenhouse effect.
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Graduate Wave function of multiple particles
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Undergrad How far apart can slits be in double slit experiment to still show interference?
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High School Energy Levels in Hydrogen: Calculating Photon Energy & Wavelength
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Graduate Momentum Operator In Curved Spacetime
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Undergrad Difference between "Spin" and "Angular Momentum"?
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Graduate How Does Zee Simplify Integrals in QFT Derivations?
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Undergrad What does Wave Function actually measure?
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Graduate Unlearning / Relearning Feynman's 2-Boson Stuff?
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Graduate No vibration spectrum for homonuclear diatomic molecules?
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Graduate Shankar- Simultaneous Diagonalisation of Hermitian Matrices
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