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 Squeezed coherent states- amplitude and phase
- climbon
- · Replies 1 ·
Graduate Ground state oscillation freq. of H2?
- mmax121
- · Replies 1 ·
Graduate Harmonic Oscillator problem
- saim_
- · Replies 3 ·
Graduate Range of validity of the Schrodinger equation
- spaghetti3451
- · Replies 3 ·
Graduate Is Spacetime Truly Smooth or Discrete?
- Pythagorean
- · Replies 99 ·
Graduate Uncertainty principle discrete operators
- BWV
- · Replies 7 ·
Graduate Confusion (4) from Weinberg's QFT.(Time reversal))
- kof9595995
- · Replies 7 ·
Graduate An Experiment Showing Entanglement Communication into the Future
- Dynamo2000
- · Replies 3 ·
Graduate Interference of Probability Waves: A Quantum Physics Intro
- nouveau_riche
- · Replies 8 ·
Graduate A few questions on Entanglement.
- kannank
- · Replies 12 ·
Graduate Is quantum field theory the return of the ether?
- lucid
- · Replies 2 ·
Graduate A Little Trick for bra-ket notation over the Reals
- brydustin
- · Replies 3 ·
Graduate Representations of Symmetry Operators
- stone
- · Replies 5 ·
Graduate Can Cryonics and Bose-Einstein Condensates Work Together?
- hammertime
- · Replies 5 ·
Graduate Continuous EM fields vs. fixed freq photons
- csmcmillion
- · Replies 5 ·
Graduate Carl Jung’s synchronicity and ‘quantum entanglement’
- limarodessa
- · Replies 5 ·
Graduate Ehrenfest theorem and the hydrogen atom
- qsa
- · Replies 7 ·
Graduate Integrating infinitesimal conformal transformations
- Rocky Raccoon
- · Replies 2 ·
Graduate Fermi Golden Rule: Conservation of Energy
- mahblah
- · Replies 1 ·
Graduate Equation problem. How to elimintate t?
- intijk
- · Replies 2 ·
Graduate Confusion (2) from Weinberg's QFT.(Little group))
- kof9595995
- · Replies 8 ·
Graduate Heisenberg's Uncertainty Principle
- shinokk
- · Replies 8 ·
Graduate Number of different ways, particle with E and delta_E.
- Spinnor
- · Replies 7 ·
Graduate Degeneracy in Quantum Mechanics
- hc91
- · Replies 2 ·
Graduate Synchronized Bosons and Entropy.
- dydxforsn
- · Replies 3 ·
Graduate Has Hawking Radiation Been Detected in Black Holes?
- byron178
- · Replies 46 ·
Graduate Uncertainty and The Double Slit Experiment
- Infrasound
- · Replies 2 ·
Graduate Rigged Hilbert space in quantum mechanics
- Rasalhague
- · Replies 28 ·
Graduate Is Quantum Probability Calculation of |e-ix|^2 Correct?
- quietrain
- · Replies 22 ·
Graduate Is the Universe Really 3D or Are Forces and Waves 2D?
- AlbertRenshaw
- · Replies 12 ·
Undergrad What's in the schrodinger wave equation?
- Saitama
- · Replies 2 ·
Graduate Schrodinger equation and atoms
- ralqs
- · Replies 5 ·
Graduate Deriving expressions for creation/annihilation operator
- Rizlablack
- · Replies 4 ·
Graduate What is energy and could anti-energy exist?
- Lazernugget
- · Replies 17 ·
Graduate Empty spaces and virtual particles in atom
- nouveau_riche
- · Replies 13 ·
Graduate Level degeneracy of the transverse ising model
- wdlang
- · Replies 1 ·
Undergrad How do electrons behave in resistive circuits and semiconductors?
- dhan_louie
- · Replies 7 ·
Graduate Is the cosmological constant equivalent to vacuum energy?
- Naty1
- · Replies 3 ·
Graduate Logical inconsistency in standard model of entanglement
- rcoreilly
- · Replies 11 ·
Graduate Applicablilty of the Wheeler-DeWitt equation
- jfy4
- · Replies 2 ·
Graduate On-shell limit and contact terms in chapter 67
- LAHLH
- · Replies 1 ·
Graduate Qualifications of an Observer
- Harisankar
- · Replies 20 ·
Graduate Where and when do virtual particles appear?
- PhanthomJay
- · Replies 129 ·
Graduate Vacuum Energy Form (aside from gamma rays)
- Zeline
- · Replies 4 ·
Graduate Spooky Action at a Distance / Tachyons?
- edpell
- · Replies 3 ·
Graduate Fundamental Forces and Lie Groups
- platypus0
- · Replies 2 ·
Graduate Can entangled photons transmit information faster than the speed of light?
- UChr
- · Replies 39 ·
Graduate Does Bell's Theorem Rule Out Determinism?
- jbar18
- · Replies 1 ·
Graduate How does a gauge field lead to charge superselection?
- DrDu
- · Replies 18 ·
Graduate D-Wave - first commercial quantum computer
- pascal12
- · Replies 11 ·
Graduate Explanation of Multiverse Past in Quantum Mechanics
- IndiaNut92
- · Replies 3 ·
Graduate The virtue particle is mass on-shell or off-shell?
- ndung200790
- · Replies 15 ·
Graduate Magnetic Precession and Photon Absorption
- fargoth
- · Replies 11 ·
Graduate Explain phase change of an EMW in terms of photons.
- sriecewit
- · Replies 2 ·
Graduate Continuous dual space and conjugate space
- Rasalhague
- · Replies 10 ·
Graduate Infinite square well eigenstates and the uncertainty principle
- Mike Pemulis
- · Replies 10 ·
Graduate Adiabatic approxmation, estimate of d\phi/dx
- Derivator
- · Replies 7 ·
Graduate Why does the Hamiltonian H = Ω(n·L)²/ℏ use L_z² instead of L²?
- noamriemer
- · Replies 14 ·
Graduate Are there 'complex' numbers in classical mechanics?
- lmerriam
- · Replies 17 ·
Graduate How Do Massless Photons Influence Atomic Repulsion in Quantum Electrodynamics?
- morg
- · Replies 4 ·
Graduate Paper presentation on Quantum Computers
- rahlk
- · Replies 1 ·
Graduate Can electron-positron pairs be created from photons alone?
- damianpaz
- · Replies 48 ·
Graduate Does Quantum Entanglement Imply Faster-Than-Light Interaction?
- afstgl
- · Replies 59 ·
Graduate Heisenberg picture describes emission, Schroedinger picture does not
- nortonian
- · Replies 12 ·
Graduate Why does the l quantum number depend on n?
- fa2209
- · Replies 9 ·
Graduate Delay of virtual particle pair annihilation
- Alfred2011
- · Replies 4 ·
Graduate Callan-Symanzik equation in dimensionally regularized scheme
- metroplex021
- · Replies 1 ·
Graduate Is the 'Bare Lagrangian' in Counterterms the Same as in Feynman's Method?
- metroplex021
- · Replies 1 ·
Graduate Question on nuclear magnetic resonance and Larmor frequency
- Anonymouse
- · Replies 1 ·
Graduate Finding a Closed-Form Formula for the Commutator [J_-^n, J_+^k]
- VGen128
- · Replies 2 ·
Graduate Planck's quantum theory question
- gkangelexa
- · Replies 8 ·
Graduate What is generating functional and vacuum-to-vacuum boundary conditions in QFT?
- VietBrian
- · Replies 7 ·
Graduate Little group invariance of timelike vectors for zero mass
- Heffernana
- · Replies 1 ·
Graduate Weinberg Chapter 2 Little Group Q
- Heffernana
- · Replies 1 ·
Graduate Infinitely divisible vs finitely divisible time
- mercmisfire
- · Replies 8 ·
Graduate Carbon energy transition levels
- brocq_18
- · Replies 2 ·
Graduate Photons from black body spectra
- dgrosel
- · Replies 3 ·
Graduate Can Scalars Represent Quantum States Effectively?
- tenchotomic
- · Replies 4 ·
Graduate Using Quark-Gluon Plasma as an Energy source
- EarthDecon
- · Replies 1 ·
Undergrad What does it mean, Electron absorbs a photon ?
- sriecewit
- · Replies 6 ·
Graduate Wave function symmetry with shifted potential well
- noamriemer
- · Replies 8 ·
Graduate Do speeds of propagating of all interactions have the same value c?
- ndung200790
- · Replies 5 ·
Graduate Accelerating electron emmits a photon?
- Question Man
- · Replies 2 ·
Graduate Low energy photon - electron collision
- Question Man
- · Replies 3 ·
Graduate I am new to this quantum world,just read about fields in this
- nouveau_riche
- · Replies 16 ·
Graduate Where are Pilot Waves located?
- riezer
- · Replies 4 ·
Graduate Is the Wave Function of a Super Cold Gas Different than at Higher Temperatures?
- Question Man
- · Replies 1 ·
Graduate Confusion (1) from Weinberg's QFT.(unitary representation)
- kof9595995
- · Replies 32 ·
Undergrad Motivations for plum pudding model (advanced)
- Question Man
- · Replies 3 ·
Graduate Pair Production and Mass Energy Equivalence
- LostConjugate
- · Replies 14 ·
Graduate Are QM operators also tensors?
- BWV
- · Replies 2 ·
Graduate QFT: Why Kronecker Symbol \delta_j^i is Basis Invariant?
- intervoxel
- · Replies 9 ·
Graduate Could Heisenberg's Uncertainty Principle Apply Without Instruments?
- smithnya
- · Replies 8 ·
Graduate How does the electron's vanishing act work?
- thinktank2
- · Replies 23 ·
Graduate Why Is Wave Function Collapse Unnecessary in Bohmian Interpretation?
- unica
- · Replies 2 ·
Graduate How did Schrödinger derive the wave equation and what are its limitations?
- DeG
- · Replies 1 ·
Graduate Is the Schrodinger's Cat Experiment Possible with a Person Instead of a Cat?
- Brainguy
- · Replies 32 ·
Graduate Does observation impart mass to particles in the two-slit experiment?
- Nick Saik
- · Replies 4 ·
Undergrad Do photons absorb and re-emit during reflection or bounce elastically?
- Infrasound
- · Replies 2 ·
Graduate What is Configuration Space in Quantum Mechanics?
- Naty1
- · Replies 7 ·