Quantum Physics Forum

Graduate Interpreting the Dirac equation

Graduate Photon-proton/ proton-electron interactions

Graduate Understanding Wave Packets in Quantum Physics

Graduate Second quantization of the Schrodinger fields

Graduate Planck Arriving at a Relation Between Energy and Frequency with h

Graduate Double slit: Human vs Machine Observer

Graduate Why Does the 3s Hydrogen Wave Function Use the Polynomial (27-18σ+2σ²)?

Graduate About the mathematical structure of wave functions

Graduate Commutator Relations; Conjugate Product of a Dimensionless Operator

Graduate Is complimentarity an expression of HUP?

Graduate A problem of momentum representation

Graduate EPR reasoning with triplet state

Graduate Poisson Statistics + Photon Detections

Graduate Principal Difference between electrostatic potntial and gravitational

Graduate Different representations of spinors

Graduate Question about delayed choice quantum eraser

Graduate Suppose you have an electron in the infinite square well

Graduate Aid for understanding some calculations

Graduate Why are there fixed electron orbitals?

Graduate Momentum space particle in a box

Graduate The quantum statistical approach

Graduate Are point particles always points?

Graduate Dumb Question: Is there a Planck length for probability

Graduate Why is Phase Velocity Greater than Speed of Light?

Graduate Observation determines outcome term?

Graduate Fierz Identity Substitution Into QED Lagrangian

Undergrad Spectral Line Question: True or False?

Graduate Quantizing Gravity: Uncovering Mathematical Incompatibilities

Graduate Full reflection of wave function for E = V0

Graduate Light - stopped or trapped inside a crystal?

Graduate Quantum effects from an imperfect absorber

Graduate Space between bound state energies in some potential.

Graduate Does this article support the existence of FTL particles?

Graduate Atomic Models: Overlapping N Levels & Possible Alternatives

Undergrad Uncertainty Principle in Classical Physics

Graduate What is the status of E=mc^2 in QM/QFT

High School What Uncertainty Principle actually is?

Graduate Questions about HUP, entanglement and coherence

Graduate Exploring the Casimir Effect: Online Resources & Reading

Graduate Entangled particles inside a black-hole

Graduate Micro-canonical Ensemble of Ideal Bose Gas

Graduate Measuring Spin of Electrons Along X, Y & Z Axes

Graduate The Difference Between Bra Vectors and Covectors

Graduate Two hermitian commutator anticommut {A,B}=AB+BA=0

Graduate Delayed Choice Bell-state Quantum Eraser

Graduate The Earth as its own nuclear magnetic resonance machine

Graduate Writing a random 2N by 2N matrix in terms of Pauli Matrices

Graduate Classical Mechanics vs Quantum Mechanics

Graduate Uncertainty on entangled electrons

Graduate Clarifying entanglement and complimentarity

Graduate Renormalization of QFT - the counterterms

Graduate Question about the double slit experiment

Undergrad Electron Spin: +-1/2 | Physics Forum Q&A

Undergrad A hypothetical question about seeing an atom with the naked eye

Graduate What is quantum field theory trying to explain?

Graduate Effect of changing probabilities on interference

Graduate Quick question on ensembles of pure states

Graduate How can we measure entanglement?

Graduate Non-interfered vs interfered photons

Graduate QFT: Point-Like Particles vs Wave-Particle Duality

Graduate Potential step with E = V0; classically forbidden or allowed?

Graduate Why are other systems so sensitive to decoherence?

Graduate Solving Schrod. Eqn. for Potential Barrier with E > V

Graduate Difference between a normal wave function and a standing-wave function

Graduate Infinite energy states for an harmonic oscillator?

Graduate Is superposition widely accepted?

Graduate Does a particle have negative kinetic energy in delta function wall

Graduate Is the Universe's History Governed by Macroscopic Superposition?

Graduate Has this approach to non-locality been explored?

Graduate How big/small is Planck constant?

Graduate Derivation of mazwell boltzman statistics.

Graduate Electron far away from the nucleus of ground state H atom

Graduate Help on the expectation value of two added operators

Graduate How does the Bell-state quantum eraser work with diagonal polarizers?

Graduate Why do we need a theory of quantum gravity

Graduate Superselection Rules: Pi+ Decay Processes Explained

Graduate Non-technical answer wanted about the double-slit experiment

Graduate Source of Dirac Field: Classical & Quantum Explanation

Graduate What operator acting on vacuum gives a box of cosmic background radiat

Graduate How a force carrier particle gets a message to its owner particle?

Graduate Why aren't state-reduction theories refuted by diffraction experiments

High School Why do positive and negative charges attract?

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Graduate Is there a Charge equivalent of Mass?

Graduate Do Elementary Particles Jiggle Like Atoms?

Graduate Question about Interferometer Outcomes

Graduate Superpositions of diffusive superpositions examples?

Graduate Spin-half mass term with symmetry breaking

Graduate Can we experimentally win simple quantum pseudo-telepathy games yet?

Graduate What Would Happen If We Set Up the Double Slit Experiment Differently?

Graduate Visualising Potential Wells in Two Body Systems

Graduate Can a region of space-time be created with no ER?

Graduate Analytic Solutions to Schroedinger Equation

Graduate Confusion about the electron sub shells.

Graduate What is limit to electrone-hole gas density?

Graduate Why do particles have non-zero position amplitude across all space?

Graduate Why Must J_z Eigenvalues Be Integer-Spaced for Fixed J²?

Graduate Why do fields vanish at infinite time during canonical transformations?

Graduate Dosen't energy eigenvalue depend on x?

Graduate Detecting Entangled Photons: Principles and Experimental Methods

Graduate What is the intrinsic parity of anti-particles?