Quantum Physics Forum

Graduate What's the source of EM radiation

Graduate QHO Solutions: What is Imaginary Part?

Graduate Shouldn't the operator be applied to both the wf anD its modulus?

Graduate Time-energy uncertainty (question after reading FAQ)

Graduate Does Multiple Compton Scattering Occur in Laser-Electron Interactions?

Graduate Quantum Mechanics: Defining Dimensions

Graduate Interesting View Of Quantum Mechanics and The Measurement Problem

Graduate Why creation and annihilation operators only work for harmonic oscillator potential

Graduate How to understand current-density operator

Graduate Why is the Symmetry Group of the 9j Symbol Isomorphic to S_3 x S_3 x S_2?

Undergrad In photoelectric effect mass reduce or increase ?

Graduate Understanding Spontaneous Symmetry Breaking in Quantum Field Theory

Graduate Doublw slit experoment and fourier transform

Graduate Harmonic Oscillator and Total Energy

Graduate The relation between atoms' kinetic energy and the energy levels

Graduate Bob makes a local gauge trans., can Alice undo with some fields?

Graduate LS coupling and calculating the total angular momentum

Graduate Zero point energy in thermal noise spectrum?

Graduate Callen-Welton power absorption formula and Rabi oscillations

Graduate Why does the integral of the Yukawa potential converge for q/alpha >= 1?

Graduate Easy question on conformal transformations

Graduate Time evolution of operators as projectors - confusion

Undergrad Is the Electromagnetic Spectrum non-continuous?

Undergrad Understanding Optical Modes Without the Jargon

Graduate Why can't we define a time related operator?

Graduate Paul Dirac's 1975 quantum mechanics lectures found in New Zealand

Graduate Math suggestions for learning QM

Graduate Predicting detector results in four quantum eraser experiments

Graduate Unified Field Theory - Consciousness

Undergrad Perturbation Theory for a Hamiltonian

Graduate About the Lie algebra of our Lorentz group

Graduate The addition of the wave functions for a system

Graduate Can consciousness be the missing link in unified field theory?

Graduate Space as not empty, non-locality, conceptual implications?

Graduate Spin-1/2 Particle in Superposition B Field: Probability and Interactions

Graduate Full Rundown of Light as a Quantum

High School Why do all particles have a wavelength?

Graduate Normalization of SU(N) Group Generators

Graduate Why isn't there equal matter and antimatter in the universe?

Undergrad Derving compton effect formula - SIMPLY

Graduate Eigenvalues of the position operator

Graduate Quantum mechanical derivation of Einstein's equations

Graduate Curved Dirac equation, Spin connection

Graduate What Are We Really Measuring in Quantum Mechanics?

Graduate Quick Matrix Element Question using Hermitian Operator

Graduate Dirac equation continuity issue

Graduate Does the ground state wave function in QM problems have any zeros?

Graduate Quantum Temperature Relations?

Graduate It would take a computer bigger than the universe to solve 11 electron

Graduate Why do px and py orbitals have different shapes than p±1 eigenfunctions?

Graduate Wave Function Units: |ψ(x,t)| - Dimensionless?

Graduate If general relativity is wrong, does the quantum gravity problem still exist?

Graduate Intuition for symmetry currents

Graduate What is particle spin and how is it measured?

Graduate Knowledge and understanding of QM

Graduate Some weird integration by parts to derive momentum operator

Graduate Franck-Hertz experiment: mercury energy levels and orbital configurations

Graduate Can Two Electrons in an Atom Share the Same Quantum Numbers?

Graduate Does the adjoint of an outer product equal to itself?

Graduate Measurements in Quantum mechanics

Graduate Preferred direction about hydrogen atom

Graduate Changing the Hamiltonian to a new frame of reference

Graduate What are the recommended books for learning the basics of quantum mechanics?

Graduate What are function gates and how do they relate to matrix representation?

Graduate Math prerequisites for learning quantum mechanics in biochemistry

Graduate Dirac Equation in (-,++++) Notation

Graduate Is predicting the future with Quantum Erasure possible?

Graduate Quantum Fluctuations: Virtual Photon in Feynman Diagrams

Graduate A question regarding the Power series method of solving the QHO

Graduate How Are General Relativity and Quantum Mechanics Connected?

Graduate Why must electron waves be standing waves in Bohr's circular orbit?

Graduate Quantum Mechanics, Potential Step

Graduate Phase of photon from excited atom

Graduate The photon, time and entropy

Graduate Physical differences between integer and fractional spin values

Graduate Casimir effect, where is the energy loss?

Graduate Is matrix mechanics better suited for relativity than wave mechanics?

Graduate SU(2) symmetry of the ammonia molecule?

Graduate Fluctuation-Dissipation Theorem and QED

Graduate Are grand unified theories the solution to the problem of multiple fields?

Graduate Is quantum entanglement - Continuous?

Graduate Is the Displacement Operator Tψ(x)=ψ(x+a) Hermitian?

Undergrad Why does a classical orbiting electron emit radiation?

Graduate Is the electron field a real thing?

Graduate Contracting operators in Wick diagrams

Graduate Arguments in favour of the fair sampling assumption

Graduate Spin,orbital and total angular momentum

Graduate String tension for quark anti-quark binding

Graduate Deriving Dirac Hamiltonian with (+,---) Metric Signature

Undergrad Recommended math for 1st class in quantum

Graduate Momentum and wave vector representation

Graduate Is my understanding of EM field quantization correct?

Undergrad Do photons have mass if they carry momentum?

Graduate Multiple Dimensions in Quantum Theories

• Poll

Graduate What do violations of Bell's inequalities tell us about nature?

Graduate What exactly is a quantum field

Graduate Can You Explain the One-electron Universe ?

Graduate What Happens to Boson Distribution in Long-Lived Non-Equilibrium States?

Graduate When does quantum gravity become important?