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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 Wheeler's Delayed Choice Experiment
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Graduate How to Calculate Uncertainty of an Operator with Known State
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Graduate Field theory in non-relativistic QM
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Graduate Entropy in quantum mechanics and second law of thermodynamics
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Graduate Entangled photon polarization thought experiment disproof request
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Graduate Difference between quarks & protons
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Graduate Why is unitarity important in relativistic scattering processes?
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Graduate How can sending a massive chunk of carbon through the double-slit prove
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Graduate Can Teleportation Become a Reality?
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Graduate Position operator in momentum space (and vice-versa)
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Undergrad Why can we write this? (maths)
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Graduate How is a single photon fired in the double slit experiment?
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Graduate Why must Klein-Gordan equation describe spinless particles.
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Graduate How to show gamma matrices are unique?
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Graduate How Long Does a Photon Take to Pass Through a Thick Glass Block?
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Graduate Examining the details of the Bell Inequality.
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Graduate Commutators in second quantization
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Graduate Why is the Electron Self-Energy Important in QFT Theory?
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Graduate Second Quantization: Explaining c^\dagger_ic_j = \delta_{i,j}c_jc^\dagger_i
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Graduate Can an Electron Absorb a Photon Without Making a Complete Energy Level Jump?
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Graduate Coulomb's gap and Wave Equation
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Graduate Electron Spin: 360 Degrees or 720? Understand the Difference
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Undergrad Relationship between EMF and distance between the particles
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Graduate Why does the Hamiltonian generate time evolution?
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Graduate Photoelectric and Compton effects
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Graduate EMF between quarks & electrons
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Undergrad The process involved in reflection?
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Graduate About the Schrodinger equation, the Hamiltonian, time evolution?
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Graduate Trace of momentum-space propagator
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Graduate Quantum nature of the inertia and Mach principle
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Graduate Quantum Puzzle:Photoelectric effect
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Graduate How can I interpret the superpostion of Fourier analysis?
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Graduate Compton Scattering Concept Question
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Graduate Spin vector and operator transformations query
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Graduate Quantum random number generator with radioactive decay
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Undergrad Confused about quantum principles
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Graduate Question About Qubits and the Representation of the Bloch Sphere
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Graduate Probabilities in QM is like Diffusion in Thermodynamics
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Graduate Is It Possible to Reduce Mass to Zero?
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Graduate Normal order of operator product
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Graduate When can eigenvalue equations be used?
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Graduate DNA Waves and Water: Examining Nobel Prize Winner's Experiment
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Graduate Wavefunction solution to the Schrödinger Wave Equation for a H atom
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Undergrad The 6 hydrogen spectral line series'
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Graduate Wave Function mathematical vs real
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Undergrad Light Momentum: How Can Light Have Momentum if its Speed is Constant?
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Graduate Do Virtual Particles Travel Faster Than Light and Violate Causality?
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Graduate Finite and infinite cross sections
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Graduate A mathematical issue raised from perturbation theory
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Undergrad Do Other Nature Waves Exhibit Particle Behavior?
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Graduate Physical system for this two level Hamiltonian?
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Undergrad Quantum, photon, wavelength relationship
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Graduate Interacting QFT - construction of states
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Graduate 2d Schrodinger equation - numerical solutions
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Undergrad What is wave-particle duality and how does it apply to electrons?
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Graduate Spin behavior in entangled electron pair
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Graduate What is the Quantum Defect and Its Relation to Energy Levels in Hydrogen?
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Graduate Uncertainty Principle: Misconceptions & Justifications
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Graduate Particles, waves or none of the above?
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Graduate Lagrangian, scalar or pseudo-scalar?
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Graduate Parity dependence on the orbital quantum number (l)
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Graduate No Definite Properties Before Measurement
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Undergrad In the double slit experiment - what exactly is the measuring device?
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High School Behaviour of photons in a 'sealed room'
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Graduate Doubt regarding Planck's Quantum Theory
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Graduate Are virtual particles really there?
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Graduate Is modelling REALLY impossible in quantum mechanics?
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Graduate The Uncertainty of Particle Positions and its Effect on Probability Densities
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Graduate QM Measurement Problem: Expectation Value of Lz
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Graduate Triplet states in quantum dots
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Graduate What is meant by singlet and triplet state of an electron system?
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Graduate Information: finite or infinite?
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Graduate Why do SHM solutions have no imaginary values?
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Graduate How Do Absorption/Emission Lines Relate to Black Body Radiation?
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Graduate What is the origin of subatomic forces?
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Graduate Is the Path Integral Formulation of Quantum Mechanics Violating the Speed Limit?
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Undergrad Quantum Physics Basics: An Overview
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Graduate Breaking down the wave function
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Graduate Throwing a tennis ball through a wall
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Graduate Step operators for harmonic oscillator
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Graduate Massless Dirac equation and graphene
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Graduate Help a Quantum Noob with the Wavefunction Collapse?
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Graduate The generator of Galilean boosts
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Undergrad The Origin of the Universe: Scientific Theory or Hypothesis?
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Graduate Infinite well with two regions
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Graduate A question about perturbation series inversion
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Graduate Counting Distinct Diagrams in Scalar Field Theory
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Graduate Relativistic Quantum Mechanics
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Graduate A general Question about Gravity and Quantum Physics
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Graduate Stimulated photons direction: book suggestion.
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Graduate Tunneling: Can a Particle Appear in the Barrier?
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Graduate Is J_z|0> equal to zero in QFT for spinor field?
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Graduate Could Inter-Dimensional Interference Explain Dark Matter and Energy?
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Graduate Is an Electron Truly a Point Particle Without Size?
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Graduate Spin-wave approximation - bosonic operator question
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Graduate What is the actual shape of a photon and how can it be measured directly?
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Graduate Is there a link between non-locality and non-linearity?
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Graduate Is MWI Compatible with a Deterministic Interpretation of Decoherence?
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Graduate Ground state wavefunction real?
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Undergrad Question on Passage in Six Easy Pieces
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