Quantum Physics Forum

Graduate Fourier analysis and continuous spectra

Graduate Can I delete a thread on Lef In Dirac's Principles of Quantum Mechanics?

Graduate Do massless fermions exist in modern physics?

Graduate Understanding Wave Functions: Definition, Equations, and Applications

Graduate How Is the Heisenberg Uncertainty Principle Derived?

Graduate What is the uncertainty principle

Graduate Time-ordered products and the Dyson series in quantum field theory

Graduate What is a quantum harmonic oscillator

Graduate Why neutrinos oscillate between flavors through mass superposition

Graduate How Does the Feynman Propagator Define Particle Movement in Quantum Mechanics?

Graduate What Is the Expansion Postulate in Quantum Mechanics?

Graduate What is the Definition and Mathematical Explanation of Density of States?

Graduate What is the significance of matrix elements of vectors in quantum mechanics?

Graduate What is Characteristic Length?

Graduate What does observation mean in the double slit experiment?

Graduate A Little Question On Identical Particles

Graduate Separable Hilbert space's postulate

Graduate What is the INNER QUANTUM number ?

Graduate Observing Particle Annihilation: How Anti-Particles Affect Universe Formation

Graduate Can single photons be made coherent through entanglement and manipulation?

Graduate Perturbation Theory - First Order Approximation

Graduate Why the de Broglie equation works for composite systems

Graduate Why does the antiparticle always fall into the black hole in Hawking radiation?

Graduate Given Electro-Weak force why state four forces.

Graduate Entanglement, ftl communication and destruction of the entangled state

Graduate DTQE idler photons fall into a Black Hole- interference at d0?

Graduate Can a single photon create an interference pattern in a double slit experiment?

Graduate NEW Proof that parity operator is hermitean

Graduate How composite particles have definite spin?

Graduate Quantum Mechanics Explains Refraction of Light Through Glass

Graduate Wave particle duailty, boundry between classic and the quantum world

Graduate Decoherence and Wave Function Collapse

Graduate L=0, L=1ħ, 2ħ, 3ħ Suborbital Configuration

Graduate Does Observation Affect Photon Behavior in the Double-Slit Experiment?

Graduate How do atoms repel each other?

Graduate Total angular momentum operators

Graduate Hidden Variables and Quantum Mechanics

Graduate Silicon droplets and double slit, in 3D?

Graduate Make an operator to be hermitian

Graduate Normalization of wavefunctions

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Graduate Should you just "shut up and calculate"?

Graduate How Do L=0 Coaxial Suborbital Paths Align with the Standard Model?

Graduate Why is spin number half integer, especially +1/2,-1/2 for electrons?

Graduate Attempted simulation of Hong-Ou-Mandel effect

Graduate Can one photon interfere with another photon?

Graduate Application of Schrodinger equation to SHO

Graduate Photon Emission: Purcell's Textbook Presentation

Graduate Can lattice deformation preserve DOS and simplify calculations?

Graduate Metals and Conductivity question

Graduate Young's Slits and "one-at-a-time" photons

Graduate Polarization and Bell measurments

Graduate How to Handle Integration Bounds in Quantum Pendulum Problems?

Graduate Does the Renninger negative-result experiment contradict quantum decoherence?

Graduate Is Choice of Spinor Representation a Gauge Symmetry?

Graduate Measurement Possibilities: The Role of Efficiency and Distance in Bell's Theorem

Graduate Heisenberg Uncertainty due to interaction of the inherent reality?

Graduate Does wave function collapse reveal a pre-existing position or create one?

Graduate Origin of the 1/r₁₂ term in the free particle amplitude equation

Undergrad What are quarks and do they exist?

Graduate Particle on a ring with perturbation

Graduate Complex wavefunctions and electromagnetic waves

Graduate Why isn't Manyworlds obviously correct?

Graduate Those Pictures (Representations) in QM and the density equations

Graduate Ignoring SSB in massless phi^4 theory

Graduate Is QM necessary for single observable parameters?

Graduate Does wavefunction collapse require particle interaction rather than observation?

Graduate Would there be any use in a Rydberg equation for Helium

Graduate Under what condition <AB>=<A><B> stands?

Graduate Can a model exist that is local yet realistic in quantum mechanics?

Graduate Can an observer inside a closed box affect patterns seen outside it?

Graduate Could probabilistic ranges in QM equations prevent gravity from being compatible?

Graduate Oserving wave behaviour Is it 2d, 3d, or is there something more?

Graduate "Violation of Bell's inequality in fluid mechanics"

Undergrad How ionization energy can be lower than band gap?

Graduate Is There a Layman-Friendly Explanation for Quantum Gravity Theory?

Graduate Quantization of Angular Momentum Under Boosts

Graduate A calculation about coherent state

Undergrad What branches of mathematics are used to create this pattern?

Graduate This forum gives conflicting info on the HUP

Graduate Do all photons have the same electric field

Graduate Complex wavefunctions and probability

Graduate Why is (⟨n|) = (|n⟩)* = (a₊ⁿ|0⟩)* = ⟨0|a₋ⁿ wrong?

Undergrad What does (1/√2)(Ψx − Ψy) represent?

Graduate Black Bodies, the UV Catastrophe, and Plank's Quantum assertion

Graduate When does ΔxΔp equal h/4pi in the uncertainty principle?

Graduate Infintesimal transformations and Noether's theorem

Graduate Bell’s theorem still reverberates - article

Graduate Physically valid wave funtions

Graduate Why do wavefunctions in quantum mechanics need to be complex?

Graduate Is the Planck Length a 3d area?

Graduate Optical molasses at high intensity (forces in OL's)

Graduate Bound States of Infinite Square Well

Graduate New version of double-slit experiment

Graduate Testing whether entanglement is a matter of information or non-local?

Graduate Path integral Quantum Mechanics

Graduate Is this section of the wikipedia page for gamma matrices wrong?

Graduate SU_L x SU_R and SU_V x SU_A equivalence

Graduate QFT - Commutator relations between P,X and the Field operator

Graduate Single photon energy and multiple observers

Graduate New Evidence for Pilot-Wave Theory