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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 Universal quantum physics
Undergrad How do I find this state |j,m=j> to calculate another state?
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Graduate What is the Interpretation of Running Coupling in MS Scheme?
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Graduate Identical Fermions in identical linear combinations
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High School Conservation of energy in quantum physics
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Graduate What is a Mass Independent Renormalization Scheme?
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Undergrad Confusion about initial states and coherent states
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High School Examples of quantum randomness?
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Graduate Can Protons Interact with Double Slit Construction?
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Graduate A question about the mode expansion of a free scalar field
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High School Are Pointer States Primitives in Quantum Mechanics?
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High School Quanta: What is it & How Does It Relate to Energy?
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High School Electrons: Orbits, Collisions, & What Happens When They Collide
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Undergrad What Are Kets and Vectors in 3-D Representation?
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Undergrad Radioactive decay, macroscopic objects
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Graduate Canonical quantisation of the EM field
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Undergrad Fourier transform of Coulomb potential
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Undergrad Visualizations of a hydrogen atom in an external electric field
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Undergrad Simple calc. of energy levels in quantum harmonic oscillator
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Undergrad What happens to super-symmetry at the center of a black hole?
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Undergrad How to change the Hamiltonian in a change of basis
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Undergrad Will quantum computers be able to factor larger numbers in the future?
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High School Can the Bohmian Wave Function Influence Thermodynamic Trajectories?
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Undergrad Is the Triplet State Entanglement the same as Singlet State Entanglement?
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Undergrad Box normalization for the free particle-Position operator
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Undergrad Elitzur-Dolev Quantum Liar Paradox
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High School Is General Relativity Merely a Classical Framework for Calculations?
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Why does expectation values are always nonnegative?
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Undergrad What turns energy into matter and vice versa?
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Undergrad Understanding Schrodinger's cat
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Undergrad A quantum system under constant observation
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Particle in a box in momentum basis
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High School The position of a particle/electron question
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High School What would happen if a wave function disruptor was used on a table?
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Undergrad The speed of a "photon" in a multipath experiment?
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Undergrad Quantum decoherence superposition of macroscopic object
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High School Does Rejecting Realism in Quantum Mechanics Ensure Consistent Predictions?
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High School Is wave / particle duality linked to superposition?
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Graduate Effect of visible light on conductivity
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Undergrad Understanding the Delayed Choice Quantum Eraser Experiment
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Graduate Approximating a QF with finite-dimensional Hilbert space
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Undergrad Still confused about (anti)symmetrization of wavefunctions
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Undergrad What is the energy due to Spin?
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Undergrad Delayed choice two slit experiment - photon
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Undergrad Finding components in momentum representation
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Undergrad Two Identical non-entangled Particle System
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Undergrad 'speed' of spooky action vs delayed choice
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High School Bell's state measurement in the Bell basis
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Undergrad Double slit experiment question
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Undergrad Delayed choice - Bohr's experiment with a Camera
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Undergrad Is space infinitesimal? Can it be divided unlimited times?
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Graduate Atomic Orbitals and Symmetry
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Undergrad Question about double slit experiment results
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Undergrad Help to understand the wave function for atom (gas)
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High School A question about Electron spin
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Undergrad Uncertainty Principle.... Intent Behind It?
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High School Dirac Equation vs. Schrodinger Equation
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High School Still confused about superposition and mixed states
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Graduate Is entanglement based on first principles?
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Undergrad No problem at all, happy to help! Have a great weekend as well.
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High School Quantum Mechanics: Origin of the Term & Why Mechanics?
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High School Is the Higgs Field Uniform Across Space-Time or Does It Vary?
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Undergrad How are different potentials implemented experimentally?
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Graduate Srednicki's QFT: Feynman Rules and Feynman Diagrams
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Undergrad Double Slit Experiment: Magnification?
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Graduate Is this experiment real (double slit)?
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High School The Firewall Paradox: Is it Possible?
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Undergrad How can larger dips in absorption line give more element
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High School Quantum Entanglement. Is spin conserved?
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Undergrad Why is association rule in angular momentum sum not valid?
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Undergrad Interpret Heisenberg Picture: Operators & States
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Why the particle velocity in Dirac theory is equal to c?
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High School Meaning of the word 'instantaneous'
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Undergrad Feynman Lectures: negative alpha for solving Schrödinger equation
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Undergrad High Energy Photon Recieved as Lesser Energy Photons?
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Graduate Wavefunction matching two different H, not just V
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Undergrad Delayed choice, pseudo-retrocausality, massive particles
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Undergrad Particle number conservation and motivations for QFT
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Undergrad Zeeman effect sign of circular polarization
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Graduate What is the physical significance of the unitary matrix in this optical device?
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Undergrad Why are total orbital QN l,m zero for closed subshell?
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High School Is the wave function physical ?
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High School Accuracy in speed of photon - uncertainty?
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Undergrad Evalutaion of Schrodinger's equation
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Undergrad Comments on updated delayed choice erasure graphic
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High School Why is momentum the fourier transform of the wavefunction ?
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High School What is the origin of Observables?
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High School An application of the uncertainty principle
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Undergrad How can you visualize the Higgs field, or can you?
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Undergrad Spontaneous Absorption of Photons in Two State Quantum System
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Undergrad Finding probability of changing states
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Graduate How to understand the electric-field operator?
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High School Polytropic process with heat addition
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Undergrad Could you provide me a selection rule?
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Undergrad What is a time-dependent operator?
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High School Understanding Different Quantum Interactions
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Undergrad Confused about operator action
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Undergrad Defining a pulse of particular area
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Graduate Fock space and Poincaré invariance
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Undergrad Mind Bending Double-Slit Diffraction Thought Experiment
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High School Is Gravitational Quantization Supported by the Stability of Orbital Electrons?
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