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 Hamilton-Jacobi Equation related to Schrodinger?
- Casco
- · Replies 4 ·
Graduate Energy Eigenstates: Can Electron in Hydrogen Atom?
- ralqs
- · Replies 4 ·
Undergrad Most probable radii in hydrogen ?
- khurram usman
- · Replies 1 ·
Graduate Lorentz Invariant Volume Element
- Spriteling
- · Replies 1 ·
Graduate How does the quantum eraser experiment recover the interference pattern?
- Thenewdeal38
- · Replies 22 ·
Graduate Can You Distinguish a Vacuum State in Different Color Laser Pulses?
- phonon44145
- · Replies 4 ·
Undergrad Can the Double Slit Experiment Be Conducted with C60 Molecules?
- 4everlonging
- · Replies 5 ·
Graduate Probability distribution of classical momentum
- bouken
- · Replies 11 ·
Graduate Verifying Inner Product Space: q(x)e^-(x^2/2)
- Thunder_Jet
- · Replies 6 ·
Graduate Standard deviation for a determinate state of observable Q
- armis
- · Replies 8 ·
Graduate Classical Physics compared to Quantum Physics?
- studentxlol
- · Replies 2 ·
Graduate When does quantum take over classical?
- DrummingAtom
- · Replies 5 ·
Graduate Link between quantummechanical probabilistics and entropy
- entropy1
- · Replies 2 ·
Graduate Greiner Mueller's QM II Symmetry
- goedelite
- · Replies 9 ·
Graduate A question regarding a Hamiltonian.
- MathematicalPhysicist
- · Replies 5 ·
Graduate Separation of variables for non-central potentials
- dongsh2
- · Replies 6 ·
Graduate Is Heisenberg uncertainty principle a problem of our measuring techniques?
- valekovski
- · Replies 45 ·
Graduate Momentum and Translation operator.
- Black Integra
- · Replies 3 ·
Graduate Why does the inner produce in Hilbert space use fg* and not f*g?
- nomadreid
- · Replies 11 ·
Graduate Gauge invariance of QED if the photon has a mass
- shakespeare86
- · Replies 16 ·
Graduate Discrete eigenvalues and their eigenfunctions
- ralqs
- · Replies 5 ·
Graduate If time travel is possible does it allow for violation of the no clone theorem
- bert444
- · Replies 15 ·
Graduate Does QM end Free Will/ Determinism debate ?
- Van Dort
- · Replies 5 ·
Graduate Are Vacuum Fluctuations and QM Connected in Feynman Diagrams?
- TrickyDicky
- · Replies 5 ·
Graduate What is a reduced density matrix?
- shomey
- · Replies 20 ·
Graduate Quantum mechanics or quantum theory?
- bostonnew
- · Replies 11 ·
Graduate Problem with Talmi Transformation
- magnificat
- · Replies 1 ·
Undergrad Why does the stopping potential not depend on the intensity of incident light?
- P-Jay1
- · Replies 6 ·
Graduate How is quantum entanglement a fact?
- conner.ubert
- · Replies 5 ·
Graduate Mechanics of Stern-Gerlach Experiments Question.
- Black Integra
- · Replies 1 ·
Graduate Understanding Scattering Theory: Seeking Easy-to-Read References
- Karmerlo
- · Replies 1 ·
Graduate What Happens to the Photons in Destructive Interference?
- peter.ell
- · Replies 24 ·
Graduate Quantization of electromagnetic field
- mritunjay
- · Replies 5 ·
Graduate How to couple the angular momenta of a massive particle and a massless one
- kof9595995
- · Replies 6 ·
Graduate Two particles with parallel spins?
- center o bass
- · Replies 1 ·
Undergrad Charge attraction inside an atom
- chaszz
- · Replies 9 ·
Graduate 1D delta funtion potential well
- Nemetz
- · Replies 8 ·
Graduate Half integer orbital momentum, following Griffiths
- Tomer
- · Replies 4 ·
Graduate Confusing step in Sakurai Chapter 1
- gitano
- · Replies 3 ·
Graduate So if spin isn't really spin
- nhmllr
- · Replies 55 ·
Graduate Phenomena only explicable via QM
- mathew3
- · Replies 39 ·
Graduate Proving the Identity to Demonstrating Finite Orthonormal Bases
- franklampard8
- · Replies 3 ·
Graduate Does a photon's amplitude remain constant after emission?
- TGlad
- · Replies 4 ·
Graduate Normalization constant for orbital wave functions
- Kaiten7
- · Replies 2 ·
Graduate Why do operators need hermitian properties for real eigenvalues?
- WiFO215
- · Replies 20 ·
Graduate Is a static electric field a superposition of photon frequencies?
- azaharak
- · Replies 3 ·
Graduate Position Representation in QFT?
- LarryS
- · Replies 5 ·
Graduate Is the purely wave interpretation really rejected in the 2-slit experiment?
- TrickyDicky
- · Replies 15 ·
Graduate Photon Teleportation: Can it Really Happen?
- Khaled332
- · Replies 1 ·
Balakrishnan's quantum physics lectures
- alemsalem
- · Replies 6 ·
Graduate Why an electron never falls into a nucleus?
- pergradus
- · Replies 2 ·
Graduate What is the significance of pions as Goldstone bosons in quantum field theory?
- shakespeare86
- · Replies 1 ·
Graduate Alignment of Spin in const magnetic field.
- gispiamp
- · Replies 1 ·
Graduate Does matter only exist when observed in quantum theory?
- Thecraziest
- · Replies 5 ·
Graduate How Do Different Dirac Matrix Choices Impact RQM Equations?
- Hymne
- · Replies 1 ·
Graduate Single Photon/Indistinguishabiliity principle experiment
- dmoney123
- · Replies 24 ·
Graduate Beginner books on quantum information theory for undergrads
- mateomy
- · Replies 3 ·
Graduate What's the kinetic energy uncertainty for gaussian wave packet?
- AlonsoMcLaren
- · Replies 7 ·
Graduate Polarization 4-vectors to get matrix element in QFT
- jameson2
- · Replies 1 ·
Graduate Why ignore the potential term in the quantum Hamiltonian?
- andrewkirk
- · Replies 3 ·
Undergrad Does only light have quantized energy.
- Jarfi
- · Replies 6 ·
Graduate Common misconceptions regarding quantum mechanics
- Edgardo
- · Replies 19 ·
Graduate Sample Space for Free Particle in the general case
- IronHamster
- · Replies 4 ·
Graduate Quantum state with well-defined position and momentum?
- romsofia
- · Replies 6 ·
Graduate Heisenberg's Uncertainty Principle, Determinism and Free Will
- RawProduce
- · Replies 12 ·
Graduate Clear and thorough development of the step potential wave function
- andrewkirk
- · Replies 2 ·
Graduate Can a fly be in a quantum superposition on a car antenna?
- rosacea
- · Replies 11 ·
Graduate Dyson's Instability: Negative Fine Structure Constant
- C. H. Fleming
- · Replies 2 ·
Graduate Why does the atom not fold onto itsef?
- Khaled332
- · Replies 3 ·
Graduate How do 6 quarks manifest hiden SU(2) symmetry(together SU(3) symmetry)?
- ndung200790
- · Replies 1 ·
Graduate Solving Eigenvalues and Eigenfunctions of Hamiltonian
- Thunder_Jet
- · Replies 12 ·
Graduate Demonstrating Orthonormality of Eigenfunctions for De Cero-Spin Field
- lalo_u
- · Replies 1 ·
Graduate Pure States or Mixed States: What's the Difference in Quantum Mechanics?
- LarryS
- · Replies 6 ·
Dirac's papers disappeared from archive.org?
- jjustinn
- · Replies 5 ·
Graduate Under what conditions will wave functions collapse in double slit experiments?
- AlonsoMcLaren
- · Replies 2 ·
Graduate Definition of a canonical variable
- ehrenfest
- · Replies 3 ·
Graduate Are points of spacetime unique?
- Runner 1
- · Replies 15 ·
Graduate How to interpret wave function as a matrix
- Black Integra
- · Replies 4 ·
Graduate How is the spin operator defined?
- peterpang1994
- · Replies 3 ·
Graduate Quantum fluctuations at different height.
- Edi
- · Replies 2 ·
Undergrad What does magnetic moment mean exactly?
- nhmllr
- · Replies 8 ·
Graduate Are These Wavefunctions Orthonormal in Spherical Coordinates?
- MontavonM
- · Replies 2 ·
Graduate How Does Griffith Prove Psi Stays Normalized in Equation [1.25]?
- nymphidius
- · Replies 4 ·
Graduate Theoretical Particles @ Planck Scale: Is there a maximum wavelength of light?
- jrbirch
- · Replies 2 ·
Graduate Is decay of Z or W bosons exothermic?
- jerich1000
- · Replies 2 ·
Graduate Understanding Multiple Delta Function in 1D and Multidimensional Spaces
- fuwuchen
- · Replies 4 ·
Graduate Is a pair of magic coins a good analogy for quantum entanglement?
- Runner 1
- · Replies 1 ·
Undergrad With regards to wave functions
- niggawut
- · Replies 2 ·
Graduate Infinite square well potential
- touqra
- · Replies 20 ·
Graduate How are bosons able to be separated in a Bose-Einstein condensate?
- Joscha
- · Replies 7 ·
Graduate Momentum Measurement Confusion
- jfy4
- · Replies 2 ·
Graduate Why do canonical commutation relations use ih times the commutator?
- jjustinn
- · Replies 15 ·
Graduate Quantum Wave Collapse: Does Consciousness Play a Role?
- Thenewdeal38
- · Replies 8 ·
Graduate Quantum consciousness is ruining my life
- Thenewdeal38
- · Replies 10 ·
Graduate Wavefunction collapse and dirac delta functions
- ralqs
- · Replies 19 ·
Graduate Can Photons Undergo Einstein-Bose Condensation?
- cragar
- · Replies 5 ·
Graduate How to determnine quantum numbers of hybridized orbitals?For
- thedy
- · Replies 2 ·
Graduate Grassmann number and anti-commuting c-number?
- kof9595995
- · Replies 2 ·
Graduate Do particles really emerge from the vacuum at random?
- jeebs
- · Replies 3 ·
Undergrad Why isn't kinetic energy considered a fundamental force like the other four?
- ItsDaveDude
- · Replies 32 ·