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.
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Graduate Sum of two slater determinants
- wdlang
- · Replies 7 ·
Undergrad Are Atoms Real? Investigating the Existence of Subatomic Particles
- khemix
- · Replies 35 ·
Graduate Classification of schrodinger equation?
- boderam
- · Replies 4 ·
Graduate Is the Frequency of an Electron Realistic for Acceleration in an Accelerator?
- Christophe.V
- · Replies 12 ·
Graduate The Mystery of the Schroedinger Equation in a Magnetic Field
- FranzDiCoccio
- · Replies 9 ·
Graduate Bell Theorem and probabilty theory
- mn4j
- · Replies 115 ·
Graduate Does anyone know about Quantum Computing?
- budder8819
- · Replies 3 ·
Graduate What the differ between eigenstate and eigenfunction ?
- eman2009
- · Replies 1 ·
Graduate Determining wether consciousness is required in the double-slit experiment
- entropy1
- · Replies 10 ·
Graduate Gaussian Integral Identity with Grassmann Numbers
- Phileas.Fogg
- · Replies 10 ·
Graduate QFT question about algebra of charges
- nrqed
- · Replies 20 ·
Graduate Quantizing Zero-Frequency Modes: A Challenge
- Manchot
- · Replies 2 ·
Graduate Double Slit Experiment: Polaroid Films & Wave Function Collapse
- maggicmike660
- · Replies 12 ·
Undergrad Interpreting Schrodinger's Cat: The Role of Observers in Quantum Mechanics
- Nick-C
- · Replies 22 ·
Graduate Polarization of Light: 2 Degrees & Longitudinal Electric Field
- captain
- · Replies 1 ·
Graduate Distinguishing between eigenstates
- james477
- · Replies 2 ·
Graduate Double Slit Experiment and Electron Spin
- Wallin
- · Replies 22 ·
Graduate Unraveling Hardy's Paradox: An Analysis of the Controversial Theory
- Count Iblis
- · Replies 5 ·
Graduate Is the Bootstrap Model Still Viable in Modern Particle Physics?
- Descartz2000
- · Replies 2 ·
Graduate Some quantum dynamics simulations
- CharlesConcord
- · Replies 2 ·
Graduate What is the Schrodinger Equation?
- Dynamite
- · Replies 6 ·
Graduate Gedankenexperiment on quantum entanglement
- yorik
- · Replies 6 ·
Graduate Orbital Angular Momentum and Uncertainty?
- LarryS
- · Replies 2 ·
Graduate Measuring Angular Momentum for Free Particles: L-square =l(l+1)?
- sanjibghosh
- · Replies 19 ·
Graduate Light (wave and particle theory)
- timjones007
- · Replies 6 ·
Graduate Plot a several energy eigenvalues of a partical
- eman2009
- · Replies 3 ·
Graduate Why Don't Electrons Collide in Orbit?
- koolraj
- · Replies 3 ·
Graduate Momentum operator for a free particle with a definite momentum and Energy
- trelek2
- · Replies 3 ·
Graduate Coulomb potential removes the degnerecay of states
- eman2009
- · Replies 7 ·
Graduate Is entanglement a fundamental resource for quantum information processing?
- sirchasm
- · Replies 5 ·
Graduate Grand unified theories and quantum mechanics
- Vals509
- · Replies 5 ·
Graduate How do non-Hermitian Hamiltonians explain particle decay and quasi-bound states?
- wofsy
- · Replies 5 ·
Graduate Understanding the Meaning of Infinity in Uncertainty Principle
- spidey
- · Replies 3 ·
Graduate Solving using schrodinger equation techniques
- amnon_willi
- · Replies 2 ·
Graduate Why do particles annhillate with their particles?
- quantumfireball
- · Replies 29 ·
Graduate Are the stings in string theory, considered to be matter?
- redhedkangaro
- · Replies 51 ·
Graduate Is EPR Really as Confusing as It Seems in Quantum Physics?
- Salivan
- · Replies 3 ·
Graduate Entanglement criterion for identical particle
- AliceBob
- · Replies 1 ·
Graduate Quark Generation: Are Most Quarks in the Universe in Their Least Massive Form?
- DaveBF
- · Replies 4 ·
Graduate How Do Quantum Well Transistors Transport Charge Carriers?
- xpl0it2k3
- · Replies 1 ·
Graduate Symmetry of Quantum vs Classical Physics Systems
- KFC
- · Replies 2 ·
Graduate What is an effective field theory
- RedX
- · Replies 2 ·
Graduate Beginner, wondering about wave functions
- imjustaguy
- · Replies 8 ·
Graduate Projecting onto an eigenstate when we make a measurement
- AxiomOfChoice
- · Replies 2 ·
Graduate Anyone know about flourescent dyes?
- johnintheuk
- · Replies 1 ·
Graduate Comparing Photons & EM Waves in Physics
- mysearch
- · Replies 32 ·
Graduate Baker-Campbell-Hausdorff formula question
- Karliski
- · Replies 2 ·
Graduate About bases of complex (Hilbert) space
- KFC
- · Replies 4 ·
Graduate Question about angular momentum and spin
- rabbit44
- · Replies 1 ·
Graduate Calculating Determinants of Operators
- jarowit
- · Replies 3 ·
Graduate Can Fourier Transformation be Used for Amplitude of a Free Particle?
- karlsson
- · Replies 4 ·
Undergrad Game theory and quantum game theory
- Vals509
- · Replies 1 ·
Graduate Energy of Electrostatic Charge ?
- LarryS
- · Replies 7 ·
Graduate Dirac-Feynman-action principle and pseudo-differential operators
- jostpuur
- · Replies 3 ·
Graduate Hermite polynomial and transformation
- KFC
- · Replies 2 ·
Graduate What is the role of proper time in quantum theory
- pellman
- · Replies 14 ·
Graduate How Does the Stern-Gerlach Experiment Illustrate Quantum Spin Measurement?
- rabbit44
- · Replies 7 ·
Graduate Harmonic oscillator in a time-dependent force
- gibbyboy
- · Replies 4 ·
Graduate Questions about the Double Slit Experiment
- andrewshen123
- · Replies 3 ·
Graduate How to create charge from light?
- per.sundqvist
- · Replies 3 ·
Graduate Integrals in the derivation of the Optical Theorem
- maverick280857
- · Replies 3 ·
Graduate Factor of 'i' and antisymmetrization in Dirac Lagrangian
- JosephButler
- · Replies 7 ·
Graduate Quantum Mechanics and the Nature of Determinism
- Curious6
- · Replies 30 ·
Graduate Reaching absolute zero and BEC
- Vals509
- · Replies 1 ·
Undergrad Proton-electron interactions interms of photons
- mmang
- · Replies 49 ·
Graduate Meaning of zero probability density
- xfshi2000
- · Replies 2 ·
Graduate Position space - momentum space
- alphaone
- · Replies 18 ·
Undergrad Is interference always present in a single slit setup?
- Loren Booda
- · Replies 11 ·
Graduate MS Renormalization: Questions & Answers
- RedX
- · Replies 3 ·
Graduate What are the key concepts in Srednicki's explanation of Feynman diagrams in QFT?
- kexue
- · Replies 35 ·
High School Zeno's Paradox (Quantum Level)
- jmatejka
- · Replies 1 ·
Graduate FAQ says refraction isn’t from absorption and emission
- thenewmans
- · Replies 3 ·
Graduate Prove d (\delta x) = \delta (d x): Solutions & Tips
- praharmitra
- · Replies 4 ·
Graduate Inherent impossibility of knowing both position and momentum
- Curious6
- · Replies 12 ·
Graduate Inner product on boson one-particle space
- schieghoven
- · Replies 11 ·
Graduate How do you entangle particles?
- Tyris
- · Replies 21 ·
Undergrad Light Wave Particle Confusion: Can 2 Exist in Same Place?
- Emanresu56
- · Replies 1 ·
Graduate Need Help (not Homework question)
- Cluelessluke
- · Replies 6 ·
Graduate Solving the Entanglement Problem: A Quantum Mechanics Tutorial
- acxler8
- · Replies 3 ·
Graduate Old Quantum Theory = Oscillations?
- karkas
- · Replies 6 ·
Graduate Partial Trace For Tripartite Systems
- baid69
- · Replies 1 ·
Undergrad Recreating Thomas Young's Double Slit Experiment
- callisto132
- · Replies 2 ·
Graduate Probability Amplitude and Time Evolution Operator
- erkokite
- · Replies 1 ·
Graduate Solving Mark Srednicki QFT: Exact Propagator Problems (13.12, 13.13, 13.16)
- RedX
- · Replies 5 ·
Graduate Peculiar feature of a commutator, can anyone explain?
- haitao23
- · Replies 9 ·
Graduate Electron tunneling and classic electrdynamics.
- Austin0
- · Replies 4 ·
High School What Are Quantum Numbers and Spin in Physics?
- chmate
- · Replies 3 ·
Graduate Hamiltonian for non-conservative forces?
- Arham
- · Replies 3 ·
Undergrad Why does glass feel as cold as metal despite being non-conductive?
- lennybogzy
- · Replies 5 ·
Graduate Absorption/Emission of photons of specific frequency (Doppler Effect)
- feynomite
- · Replies 3 ·
Graduate How can one build a non-trivial operator with a zero mean value?
- luxxio
- · Replies 7 ·
Graduate Commutation relations in relativistic quantum theory
- noospace
- · Replies 7 ·
Graduate Magnetic Field in Natural Units: Expressing \hbar
- Rajini
- · Replies 9 ·
Graduate Is a Year-Long Quantum Chromodynamics Class Worth the Exam Stress?
- phys-man 69
- · Replies 12 ·
Graduate Is complex momentum density possible?
- blue2script
- · Replies 5 ·
Graduate Can a particle's wavefunction become perfectly flat in empty space over time?
- asimov42
- · Replies 1 ·
Graduate Study Lie Groups: G. 't Hooft's SU(2) Index Convention
- intervoxel
- · Replies 4 ·
Graduate Quantum Mechanical Scattering (3D) - What about forward scattering?
- maverick280857
- · Replies 2 ·
Graduate Creation Operator of Harmonic Oscillator
- KFC
- · Replies 2 ·
Graduate Why need *complex* wavefunction?
- feynmann
- · Replies 57 ·