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 Tensor products of representation - Weyl spinors and 4vectors
- teddd
- · Replies 10 ·
Graduate Do Photons Have Electromagnetic Properties That Cause Attraction?
- ramanakumars
- · Replies 7 ·
Graduate Expectation value , a few questions
- fluidistic
- · Replies 11 ·
Graduate Are Quantum Waves Tangible or Merely Mathematical Constructs?
- mysearch
- · Replies 14 ·
Graduate Question Regarding Harmonic Oscillator Eigenkets
- Thunder_Jet
- · Replies 4 ·
Graduate Can you define quantum mechanics in just one sentence?
- Demystifier
- · Replies 59 ·
Graduate Many Paths = Huygens’ Principle?
- exmarine
- · Replies 3 ·
Graduate Can the Bohr Model Accurately Predict Electron Energy in a Magnetic Field?
- Gavroy
- · Replies 1 ·
Graduate Probability Current: from plane wave to wave packet?
- nonequilibrium
- · Replies 14 ·
Graduate Ehrenfest Theorem: Deriving Minus Sign in Commutator
- PineApple2
- · Replies 3 ·
Graduate Weak force and axial vector coupling
- a dull boy
- · Replies 3 ·
Graduate Quadrature Operators & Uncertainty Principle
- McLaren Rulez
- · Replies 2 ·
Graduate We make the world by participating in it
- bobsmith76
- · Replies 23 ·
Graduate Double Delta Function Potential
- jhosamelly
- · Replies 4 ·
Graduate Path integral for a particle coupled to a magnetic field
- IRobot
- · Replies 2 ·
Graduate Dirac Equation for H atom - what's the small r behaviour?
- petergreat
- · Replies 5 ·
Graduate Weak force vertex factor V - A
- a dull boy
- · Replies 2 ·
Graduate What is the context of observation in this video?
- ode_to_joy
- · Replies 76 ·
Graduate Rigged Hilbert Space's And Quantum Mechanics
- bhobba
- · Replies 8 ·
Graduate Measurement disturbs the system.
- jewbinson
- · Replies 23 ·
Graduate The Exponential of an infinite sum
- WastedGunner
- · Replies 1 ·
Graduate Quantum Model of an Atom with more than one electron
- da_steve
- · Replies 3 ·
Graduate Decomposing the direct sum as direct product
- elduderino
- · Replies 2 ·
Graduate Absorption of Light: IR, Visible & Hydrogen Atom
- Gavroy
- · Replies 3 ·
Graduate Schrodinger's Equation & Measurement
- StevieTNZ
- · Replies 1 ·
Graduate Wondering about quantum information and phase factors.
- Beer-monster
- · Replies 2 ·
Graduate Why QFT is asymptotic theory but still being very useful?
- ndung200790
- · Replies 5 ·
Graduate A couple of questions about quantum mechanics.
- LiamSP
- · Replies 1 ·
Graduate Schrodinger Equation: No Higher Powers of ψ
- logearav
- · Replies 4 ·
Undergrad Properties of Light and its Relationship to Strength
- nds34
- · Replies 7 ·
Graduate Schrödinger's equation and line width
- Gavroy
- · Replies 4 ·
Graduate Why do the forces of nature act on each other?
- skullcracker
- · Replies 15 ·
Graduate Quantum Entanglement FTL Thought Experiment
- AustinLee
- · Replies 2 ·
Graduate The real meaning of probability density?
- jeebs
- · Replies 4 ·
Graduate Why is the Spectrum of Ordinary Light Bulbs Continuous?
- Gavroy
- · Replies 2 ·
Graduate Mass Defect & the Strong Force in Nucleons
- spectragal
- · Replies 5 ·
Graduate Can Particles Exist in Multiple Times Through Quantum Time Dilation?
- Voodoo Chile
- · Replies 12 ·
Graduate Does Spin Have Rotational Kinetic Energy?
- LarryS
- · Replies 17 ·
Graduate Ground state radiation question
- elegysix
- · Replies 7 ·
Graduate Modelling non ideal apparatus in quantum mechanics
- deneve
- · Replies 1 ·
Graduate Energy level of hydrogen atom - with the electron replaced by a positron
- kyva1929
- · Replies 3 ·
Graduate Six Superheavy Gluons: Fact or Fiction?
- Vorde
- · Replies 6 ·
Graduate A thought on Heisenberg Uncertainty Principle
- dlinetackle
- · Replies 3 ·
Graduate Symmetrization Principle for Identical Particles with Different Spin
- center o bass
- · Replies 1 ·
Graduate How to do wick rotated surface int (srednicki ch75)
- LAHLH
- · Replies 2 ·
Graduate Probabilities in Quantum Mechanics
- StevieTNZ
- · Replies 1 ·
Graduate Photoionization what will happen to compounds?
- d.sonali20
- · Replies 13 ·
Graduate Atomic Entanglement: Could Macro Objects Become Entangled?
- Thenewdeal38
- · Replies 16 ·
Graduate Opposite spin of entangled photons
- thenewmans
- · Replies 4 ·
Graduate What would happen if entangled particles experienced the twin paradox scenario?
- mirhagk
- · Replies 7 ·
Graduate Weyl ordering of the hamiltonian
- Jack2013
- · Replies 2 ·
Graduate Light waves, photons; sound waves, phonons; water waves, hydrons ?
- jetwaterluffy
- · Replies 5 ·
Graduate Single slit interfernce with large particels
- Thenewdeal38
- · Replies 3 ·
Graduate Photon polarization and 1/2 wave plates
- zincshow
- · Replies 6 ·
Graduate Do atoms always exist even when unobserved?
- Thenewdeal38
- · Replies 27 ·
Graduate Mathematics of Quantum Mechanics
- n4n0b0y
- · Replies 6 ·
Graduate Can Length Contraction Cause Diffraction in Quantum Mechanics?
- cragar
- · Replies 3 ·
Graduate Operators and Commutators help
- TIGERHULL
- · Replies 3 ·
Graduate Can someone clear up the implications of Planck units once and for all?
- SeventhSigma
- · Replies 16 ·
Undergrad How to realize the stern gerlach experiment ?
- zodian
- · Replies 16 ·
Graduate Why is an imaginary part necessary in the Lippmann-Schwinger equation?
- Sparticle99
- · Replies 4 ·
Graduate Representing the state of a quantum system in different bases
- epsilonjon
- · Replies 4 ·
Graduate Can People Collapse Wave Functions with their Eyes?
- Thenewdeal38
- · Replies 3 ·
Graduate Wheelers Delayed Choice Experiment?
- Thenewdeal38
- · Replies 7 ·
Graduate Debunking the Double Slit Experiment: Misinterpretations and Misrepresentations
- Thenewdeal38
- · Replies 4 ·
Undergrad Molecular orbital analysis - d0 complexes
- salazar888
- · Replies 1 ·
Graduate Point-like particles, Lorentz invariance and QM/QFT
- TrickyDicky
- · Replies 85 ·
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 Can someone explain the quantum eraser please?
- 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 Reduced Density Matrix: Explained for Ron
- 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 ·