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.
Threads
Graduate Is the radial part of the Laplacian in spherical coordinates Hermitian?
- geoduck
- · Replies 1 ·
Graduate Hyperfine splitting in Hydrogen atom
- DMESONS
- · Replies 1 ·
Graduate Why don't all observables commute in QM?
- San K
- · Replies 6 ·
Graduate HUP and the effects of measuring a particle
- Fiziqs
- · Replies 1 ·
Graduate Applications of Functional Analysis ?
- azari123
- · Replies 1 ·
High School What is the Frequency of a Photon? Understanding Light Particles Explained
- madness
- · Replies 20 ·
Graduate What is the Frequency in Einstein's Quantum Expression?
- exmarine
- · Replies 2 ·
Graduate Pair Production: Creating Matter from Light
- LiteHacker
- · Replies 3 ·
Graduate Explanation for uncertainty principal?
- scijeebus
- · Replies 1 ·
Graduate What Are Casimir Operators and Rest Reference Conditions in Particle Physics?
- noamriemer
- · Replies 2 ·
Graduate Multiplying ψ* in Quantum Mechanics: Understanding Probability Density
- sciboudy
- · Replies 13 ·
Undergrad Plasma Frequency and Work Function
- Bonasa
- · Replies 1 ·
Graduate What is the Nature of Reality?
- Fiziqs
- · Replies 5 ·
Graduate The Multiple Worlds theory- it contradicts itself
- arjunmalhotra
- · Replies 6 ·
Graduate Is the Higgs Field a Key Player in Quantum Decoherence?
- Maui
- · Replies 12 ·
Graduate Newbie question - about Schroedinger's Cat
- studentxlol
- · Replies 10 ·
Graduate Understanding the triple slit experiment
- Fiziqs
- · Replies 2 ·
Graduate Debroglie Wavelength: λ & v Proportional?
- moatasim23
- · Replies 13 ·
Graduate Topological Insulators Explained: Quantum Hall Effect & More
- Ryanzmw
- · Replies 1 ·
Is Our Reality a Simulation?
- silvercats
- · Replies 28 ·
Graduate No need for spooky action at a distance
- Suppaman
- · Replies 31 ·
Graduate Scalar Boson and Quantum Non-locality
- rodsika
- · Replies 1 ·
Undergrad How is the scattering cross section measured?
- wdlang
- · Replies 1 ·
Graduate Existance of ladder operators for a system
- espen180
- · Replies 2 ·
Graduate A question about the double slit experiment
- Fiziqs
- · Replies 1 ·
Graduate Schrodinger Equation and seperation of variables
- McLaren Rulez
- · Replies 7 ·
Graduate Newbie Question - Double Slit Experiment - 'Interference Patterns'
- SonOfBruze
- · Replies 13 ·
Graduate How do we know it's not some kind of attraction?
- scijeebus
- · Replies 4 ·
Graduate Is double slit experiment the only proof for quantum particles' superposition?
- silvercats
- · Replies 2 ·
Graduate Is quantum gravity a promising field?
- Fizicks1
- · Replies 1 ·
Graduate Problem about quantum environmental decoherence
- rocket123456
- · Replies 13 ·
Graduate Schrödinger and Heisenberg picture
- Kontilera
- · Replies 4 ·
Graduate Questioning Schrodinger's Cat: Is Outcome Real Until Observed?
- silvercats
- · Replies 25 ·
Graduate Why is the first type bessel function called first?
- wdlang
- · Replies 1 ·
Graduate Exploring the Schrodinger Equation: How Does It Handle Split Wave-Functions?
- San K
- · Replies 10 ·
Graduate Questions about properties of wave-functions
- San K
- · Replies 21 ·
Graduate What Else Splits in Single Particle Interference Experiments?
- San K
- · Replies 2 ·
Graduate Is any energy required to change the phase of a wave-function?
- San K
- · Replies 1 ·
Graduate 3-fold degeneracy: what is it?
- gioialorusso
- · Replies 2 ·
Graduate What Are Fermions and Bosons in the Meson Quark Model?
- Flavia
- · Replies 4 ·
Graduate Quantum well laser diodes - Operation and design
- manueldois
- · Replies 3 ·
Graduate Superposition principle and continuity
- sciboudy
- · Replies 5 ·
Undergrad Can the Photoelectric Effect Cause Metal Oxidation in a Vacuum?
- mihir23
- · Replies 2 ·
Graduate Renormalizing solutions of the Klein-Gordon equation
- nonequilibrium
- · Replies 2 ·
Graduate Quantum mechanics of hydrogen and many-electron systems
- Mendeleeff
- · Replies 2 ·
Graduate FermiDirac-BoseEinstein-Boltzman derivation
- Morgoth
- · Replies 1 ·
Undergrad How close must the wavelength of a photon be for an atom to absorb it?
- jailbait
- · Replies 2 ·
Graduate Superposition and Pauli's principle
- Mukilab
- · Replies 7 ·
Graduate Answer: What is Atom Spin: Physical or Property?
- Mukilab
- · Replies 7 ·
Graduate Visualisation in Quantum mechanics
- CAF123
- · Replies 5 ·
Graduate Causality in quantum mechanics
- tenchotomic
- · Replies 13 ·
Graduate Eigenfunction vs wave function
- Flavia
- · Replies 4 ·
Graduate Photons emitted by an accelerated charge
- Dickfore
- · Replies 6 ·
Graduate Brain freeze on Dirac EQ v. Dirac Hamiltonian
- jollyredgiant
- · Replies 7 ·
Graduate The Higgs field and the aether
- DaveHump3
- · Replies 3 ·
Graduate Higgs field and General Relativity
- DaveHump3
- · Replies 2 ·
Graduate Principal Quantum number: n to infinity?
- CAF123
- · Replies 4 ·
Graduate Quantum numbers (free particles)
- xz5x
- · Replies 2 ·
Graduate Grassmann variables and functional derivatives
- Einj
- · Replies 2 ·
Graduate Calculation in Peskin&Schroeder QFT book
- aleazk
- · Replies 1 ·
Graduate Position vector r and uncertainty principle
- MHD93
- · Replies 4 ·
Graduate Uncertainty principle accuracy
- kapitan90
- · Replies 10 ·
Graduate Do spin-aligned electrons produce the same diffraction pattern as unpolarised electrons?
- cygnet1
- · Replies 2 ·
Undergrad Does a gamma ray photon have less energy than a radiowave photon?
- MegaDeth
- · Replies 17 ·
Graduate Quantum Tunneling: Particle location
- CAF123
- · Replies 5 ·
Graduate What is the explanation behind the binary result in the EPR thought experiment?
- Tomer
- · Replies 13 ·
Undergrad If the bohr model of the atom is correct
- Michio Cuckoo
- · Replies 23 ·
Graduate Explaining Determinism: A Layman's Guide to Quantum Mechanics
- HJ Farnsworth
- · Replies 25 ·
Graduate Complex term in refractive index , in context to rayleigh scattering
- royalbird
- · Replies 1 ·
Graduate Quantum Entanglement and Observation: How Does It Work?
- ealbers
- · Replies 12 ·
High School Teleportion Questions - Michio Kaku Answers
- Reptile202
- · Replies 4 ·
Graduate Feynmann diagram for photoemission process
- arrektor
- · Replies 3 ·
Graduate New quantum experiments and its implications
- gespex
- · Replies 38 ·
Graduate I'm really new to the concept of quantum mechanics
- badamann
- · Replies 1 ·
Graduate Mastering Bra-ket Notation: Frustrations with Quantum Mechanics Lectures
- robertjford80
- · Replies 30 ·
Graduate In what sense is QM not understood ?
- Doofy
- · Replies 164 ·
Graduate What Happens to Quantum Mechanics at E=U in Step Potential?
- CAF123
- · Replies 7 ·
Graduate Can electron revolving around atom become source of gravity.?
- aditya23456
- · Replies 2 ·
Undergrad Time Dilation in Childrens Cartoon
- Mako Ruu
- · Replies 9 ·
Graduate How Does Fermat's Principle Integrate with Quantum Physics?
- peter.ell
- · Replies 2 ·
Graduate How do you tell if lie groups are isomorphic
- geoduck
- · Replies 1 ·
High School Physical representation of direction
- ealbers
- · Replies 9 ·
Graduate Time symmetric quantum mechanics
- the_pulp
- · Replies 3 ·
Graduate Why the magnetic moment not included in the Lorentz Force equation.
- PolywellGuy
- · Replies 1 ·
Graduate How is the QM prediction derived for Bell's tests?
- San K
- · Replies 1 ·
Undergrad 2 slit experiment, what happen with 3,4,5 ?
- menniandscience
- · Replies 7 ·
Graduate Arrow of time in copenhagen interpretation.
- rocket123456
- · Replies 10 ·
Graduate Can Gravity Influence the Double Slit Experiment with Larger Particles?
- swhite44
- · Replies 49 ·
Graduate Many questions about qubit (quantum computing)
- joy13975
- · Replies 5 ·
Graduate Is any energy required to change the spin of a photon?
- San K
- · Replies 15 ·
Graduate Number of cycles of light per photon
- DarioC
- · Replies 20 ·
Graduate Why Does the Balmer Series Dominate the Solar Spectrum Over the Lyman Series?
- fluidistic
- · Replies 6 ·
Graduate Abnormal behavior of the Liouville-von-Neuman equation
- freude3
- · Replies 4 ·
Graduate How Do Photons Entangle Electrons?
- LarryS
- · Replies 4 ·
Graduate The failure of so-called no-communication theorems
- al onestone
- · Replies 1 ·
Graduate Indeterminism of Quantum Mechanics and incompatibility with Relativity
- rethipher
- · Replies 13 ·
Graduate Who developed this equation, Pauli?
- PhilDSP
- · Replies 3 ·
Graduate Is the delta in the commutation relations of QFT a dirac delta or a kronecker?
- silence11
- · Replies 6 ·
Graduate Lorentz invariant theory, irreducible representations
- physicus
- · Replies 2 ·
Graduate Understanding AdS and quantization in AdS
- maverick280857
- · Replies 19 ·