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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 Valid local explanation of Bell violations? (Pegg et al., 1999; 2008)
Undergrad Probability density functions for velocity and position
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High School Carrier wave double slit experiment
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Undergrad Is There Only One True Outcome in the Many-Worlds Interpretation?
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High School Zeno Effect: Quantifying the Impact of Observation on Events
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Undergrad Why do you need infinite size matrix which commute....
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Why did Dirac strongly pursue mathematical beauty?
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High School Is Randomness in Quantum Mechanics Truly Non-Deterministic?
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Graduate Is energy contained in matter wave equals hv like EM waves?
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Undergrad Big Bell Test Collaboration: Challenging Local Realism with Human Choices
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Undergrad Determinism of Macroscopic World
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High School Are electrons virtual particles?
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Undergrad I can't understand this excerpt from a QM book
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Undergrad How many bits or bytes of information are present in 1 atom
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Undergrad Understanding Spin to Particles & Annihilation
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High School Planck's Law, Color & Sun: Can We See It Greener?
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Undergrad Which law/formula proves the existence of antimatter?
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Undergrad Decorrelate 2 particles initially entangled
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Undergrad Zeno effect - standard derivation?
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Graduate What is the difference between second quantization and QFT?
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High School Understanding the Intricacies of Quantum Computers and Their Limitations
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Graduate What happens when bosons become distinguishable?
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Graduate Thermal Field Theory: Calculating Angular Distribution of CMB
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High School Is the kinetic energy of a particle quantized?
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High School Do Quantum Fields Move Relative to Each Other?
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Undergrad 3p->2s: Why spectral line split into three lines in m. field
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Undergrad How to increase the energy of an electron
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Undergrad Are magnetic Ising-like dipoles advanced territory? [in Portugese]
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High School Time average value of Spin operator
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Undergrad Covariance Matrices and Standard form
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Undergrad Problem with classical electrostatic potential energy
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Undergrad Do identical particles really exist?
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High School How do we maintain a system in a non-dertministic state?
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Undergrad Finding de Broglie's Original Paper on Matter Waves
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Graduate Scalar-scalar scattering Feynman diagram
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Graduate (How) Does TQFT actually describe a physical theory?
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Undergrad The energy-time uncertainty principle
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High School Do fractional spins like 4/5 exist?
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Graduate Evolution operator in QFT - why Schrodinger?
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High School How long does it take to detect entanglement?
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Undergrad Entanglement correlations vs. timelike measurement events?
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Undergrad Quantum Field Energy: What Happens When it Tends to Zero?
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High School Is String Theory Built On Funny Math?
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Undergrad Red Shift Energy: Understanding the Light Phenomena
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High School In parallel universes, everything that can happen happens, but why?
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Undergrad How the wavelength of a photon is measured experimentally?
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Graduate Quantum Mechanic Symposium London
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Undergrad Particle Physics and Quantum Mechanics
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High School Ways to understand the delayed entanglement swapping
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Undergrad Lorentz Invarience and Spontaneous Symmetry Breaking
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High School Is the electron of Phosphorus entangled with its nucleus?
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Graduate Quantum electrodynamics and the brain
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Undergrad Total spin in multiparticle system
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Undergrad Derivation of the partition function
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Undergrad Eigenkets belonging to a range of eigenvalues
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Undergrad Interactions in QFT and consistent field energy....
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Graduate TD perturbation - state initially in continuous part
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High School Does Locality in Quantum Mechanics Exclude Retrocausality?
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Undergrad Prove that TDSE is invariant under Galilean Transformation.
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High School "We cannot measure both position and momentum...."
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Graduate Violating conservation of momentum and its resolution
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Undergrad How Long Does a Particle Stay in a Quantum Potential Well?
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Graduate A paradox for bosons with non-degenerate states?
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High School Transfering spin onto a macroscopic object
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Undergrad Dirac Notation: Bra & Ket Conjugation Rules
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High School How to shorten this speech about BH?
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High School What is quantum entanglement and how it effects the space-time
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Undergrad What is a Gaussian Wave Packet?
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Undergrad Energy measurement on superposition of states
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Graduate What is the significance of the variable lambda in Bell's locality assumption?
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Graduate Help with Correlation/Green's Function of Rotated Variables
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Graduate Is there an Expression for Entropy of Fermions or Bosons?
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Undergrad Understanding particle/wave duality and the Wave Function
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Graduate Restricted Open Shell Hartree Fock Method
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Undergrad Interval in Quantum Mechanics?
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Undergrad What an electron in an atom will do when given more energy
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High School Quantum Field Theory and Electrcity
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Undergrad Quantum Field Theory -- Does electron have infinity size?
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Graduate Rigged Hilbert Spaces In Quantum Mechanics
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Quantum Field Theory. Electric discharge
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Undergrad What is the Difference between the lottery and QM?
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Graduate Is Chapter 5's Approach to the Photoelectric Effect Unique in QFT Literature?
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Undergrad Double slit experiment: two persons are checking the experiment
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High School Why doesn't the plate interact with the particle in double slit?
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Undergrad QM: I as an Observable & Its Eigenvectors & Eigenvalue
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Undergrad Is information lost in wavefunction collapse?
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Graduate Rigorous transition from discrete to continuous basis
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Undergrad How to think about partially entangled states
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High School Light and Reflections in Space
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Undergrad Nonrelativistic limit of scalar field theory
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Undergrad Klein-Gordon in QFT: Understanding the KG Equation
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Undergrad Expectation for the Harmonic Oscillator ( using dirac)
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Undergrad How Does the Heisenberg Uncertainty Principle Relate to Statistics?
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Graduate Question about coefficients of massless quantum fields
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Graduate Commutation relations for bosons and fermions
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Undergrad Spin conservation in the Dirac equation
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Graduate Null measurement in the which-path experiments
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Quantizing the complex Klein-Gordon field
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Undergrad Wave function collapse and measurement rule
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High School Is Schrodinger's Cat a True Reflection of Quantum Uncertainty?
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Undergrad Finite square well bound states
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