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 DBB and radioactive decay times
- skippy1729
- · Replies 2 ·
Graduate What are null oscillations in quantum systems?
- LarryS
- · Replies 9 ·
Graduate Bose-Einstein-Condensate ground state energy E_0 = 0
- Derivator
- · Replies 1 ·
Graduate Is the concept of electron spin a misinterpretation of quantum mechanics?
- MarcStone
- · Replies 11 ·
Graduate Energy in a Fundamental Standing Wave Vs. The Energy in its Harmonic Waves
- Pathways33
- · Replies 7 ·
Undergrad No prediction ever been wrong ?
- lnsanity
- · Replies 3 ·
Graduate What Happens to Quantum Interference When Detectors Are Used?
- lnsanity
- · Replies 1 ·
Graduate Is it all TIME, and not amplitude?
- Bonge
- · Replies 1 ·
Graduate How does the renormalization factor affect the propagator?
- RedX
- · Replies 1 ·
Undergrad Role of entanglement in quantum computing
- david_p
- · Replies 1 ·
Graduate Are there any other quantum field theory videos available?
- zwoodrow
- · Replies 5 ·
Graduate How can I solve the Linear Harmonic Oscillator in polar coordinates?
- Nemanja989
- · Replies 3 ·
Graduate Concerning Planck's quantum theory
- 01030312
- · Replies 7 ·
Graduate Contextuality in quantum mechanics and quantum Darwinism
- wuliheron
- · Replies 4 ·
Graduate Orthonormal Energy Eigenstates
- nateHI
- · Replies 2 ·
Undergrad Do higher-energy photons travel faster than light?
- .Q.
- · Replies 5 ·
Graduate There is no such thing as 'collapse of the wavefunction' - Feynman
- dx
- · Replies 42 ·
Undergrad Is absorbed light wavelength the same as emitted wavelength when electrons transition?
- Infrasound
- · Replies 9 ·
Graduate Superconductivity and Pauli exclusion principle
- haael
- · Replies 7 ·
Graduate Why is position the preferred variable in de Broglie-Bohm theory?
- VinGwurf
- · Replies 17 ·
Graduate Norm Ordering for a many electron system
- janakiraman
- · Replies 2 ·
Graduate Standard Model Completely Wrong
- curiousphoton
- · Replies 1 ·
Graduate Eigenstates in the field of a magnetic monopole
- wdlang
- · Replies 2 ·
Graduate Spin State Rotation: Understanding Negative Probability?
- eoghan
- · Replies 1 ·
Graduate Double Slit Experiment: Why Isn't Wave Function Collapsed?
- rabbitrabbit
- · Replies 8 ·
Graduate Is the Total Momentum in QED Actually Total Angular Momentum?
- AJ Bentley
- · Replies 3 ·
Graduate QFT Counter Terms example calculation?
- Phymath
- · Replies 16 ·
Graduate Why two s=1/2 states can be linked by a rotation, but not two s=1 states?
- wdlang
- · Replies 45 ·
Graduate Microcanonical ensemble, density operator
- Derivator
- · Replies 6 ·
Graduate QM vs. the second law of thermodynamics
- zhermes
- · Replies 1 ·
High School Max # of electrons in an orbit
- discord73
- · Replies 2 ·
Graduate Distinguishing Two Experiments With Equal Density Matrices
- kof9595995
- · Replies 3 ·
Graduate The old problem of the virtual particles
- the one
- · Replies 5 ·
Graduate The stability of the hydrogen atom
- eoghan
- · Replies 16 ·
Graduate When do light and electrons behave as waves vs particles?
- ganypots
- · Replies 1 ·
Undergrad Why particle in a box is considered as 1-dimensional ?
- dying_star
- · Replies 5 ·
Graduate Matter wave phase evolution on multiple geodesics
- jfy4
- · Replies 1 ·
Graduate Discrete vs continuous eigenvalues
- pellman
- · Replies 4 ·
Graduate Harmonic oscillator phase space integral
- Evertje
- · Replies 2 ·
High School Meaning of frequency and wavelength of photon
- amaresh92
- · Replies 1 ·
Graduate Trace of the fundamental commutation relation
- daudaudaudau
- · Replies 4 ·
Graduate Why is the graviton non-renormalizable?
- cuallito
- · Replies 1 ·
Graduate How Does Time Ordering Work in Quantum Mechanics?
- limarodessa
- · Replies 3 ·
Graduate Why is indeterminism assummed popular ?
- Ushtabalakh
- · Replies 3 ·
Graduate Is liquid helium composed of both ortho and para-helium?
- Creator
- · Replies 6 ·
Graduate The Controversy Surrounding Bell's Theorems and Local Realism
- mjpam
- · Replies 19 ·
Graduate How Are Spin 1 Particles Represented in Quantum Mechanics?
- Simp
- · Replies 3 ·
Graduate Can Extra Dimensions in String Theory Be Smaller Than a Planck Length?
- ThomasEdison
- · Replies 8 ·
Graduate Can photons have spin values of -1, 0, and 1?
- cragar
- · Replies 2 ·
Graduate Extracting an answer from a quantum computer
- quasi_Phthalo
- · Replies 1 ·
Graduate Quantum effects at the neurological level
- rasp
- · Replies 62 ·
Graduate Do Fermionic Creation and Annihilation Operators Commute?
- Niles
- · Replies 2 ·
Graduate Problem with anticommutation of spinors
- ansgar
- · Replies 1 ·
Graduate Is fractional orbital momentum theoretically possible?
- haael
- · Replies 5 ·
Graduate Understanding Momentum Eigenfunctions in Quantum Mechanics
- snoopies622
- · Replies 50 ·
Graduate Can Quaternions Revolutionize Quantum Mechanics?
- Karl G.
- · Replies 15 ·
Graduate QFT Basics: What Does "Ad" Mean in Zeidler's Proofs?
- Jimmy Snyder
- · Replies 5 ·
Graduate Visualization of electron spin
- zonde
- · Replies 2 ·
Graduate What is phase from a QM standpoint?
- Glen Bartusch
- · Replies 5 ·
Graduate Wave-partical duality and Huygens–Fresnel principle
- howaboutthis
- · Replies 1 ·
Graduate Can light be brought to a complete stop?
- polaris12
- · Replies 8 ·
Graduate Understanding LQG: Adding and Multiplying in Spin Networks
- naima
- · Replies 2 ·
Graduate The nature of the magnetic field.
- peron
- · Replies 12 ·
Graduate If virtual particles can appear, can real particles disappear?
- jraj
- · Replies 3 ·
Graduate Wave function for negative particle oscillating through infinite charged sheet
- GRDixon
- · Replies 2 ·
Graduate What is the Classical Connection to QM Spin?
- da_willem
- · Replies 16 ·
Graduate Quantum logic and hypercomplex numbers
- fundamentally
- · Replies 1 ·
Graduate Variation of simple Lagrangian
- bndnchrs
- · Replies 1 ·
Graduate Stationary States and Spreading of Wave Function
- boderam
- · Replies 3 ·
Graduate How do you define velocity of a particle in quantum mechanics?
- paweld
- · Replies 6 ·
Graduate List of Electron Double Slit Experiments?
- epicurean
- · Replies 18 ·
Graduate How is Hamiltonian energy of orbital differ from orbital in certain
- boodyx1
- · Replies 2 ·
Graduate What are the requirements for a local realist model of entanglement?
- ThomasT
- · Replies 1 ·
Graduate Is the constant c (or it's measurement) subject to the uncertainty principle?
- stone1
- · Replies 11 ·
Graduate Is Quantum Teleportation possible without a classical channel?
- wschlanger
- · Replies 2 ·
Graduate How much evidence supports Feynman's sum-over-histories?
- idea2000
- · Replies 15 ·
Graduate Can senses other than sight collapse the wave function?
- RAD4921
- · Replies 24 ·
Graduate Superposition-airy disc-snell's law-qbits.
- Glen Bartusch
- · Replies 4 ·
Graduate Is rotational energy quantized for tiny molecules?
- Archosaur
- · Replies 9 ·
Graduate Understanding Perturbation Theory and Spin in Quantum Mechanics
- 1Kris
- · Replies 5 ·
Graduate Can relativistic simultaneity explain observation effects in the double slit experiment?
- Boeley
- · Replies 5 ·
Graduate Any good reference on quantum-classical correspondence?
- wdlang
- · Replies 1 ·
Graduate Calculating eigenvalues of J with Clebsch-Gordan coefficients
- djeikyb
- · Replies 5 ·
Graduate Do entangled electrons still turn 720 degrees?
- Faradave
- · Replies 16 ·
Graduate QFT Video Lectures with David Tong
- waht
- · Replies 6 ·
Graduate Propagator and delta functions
- jostpuur
- · Replies 10 ·
Graduate Are particles diffraction patterns?
- TCS
- · Replies 4 ·
Graduate Converting hydrogen electron state to spinor wavefunction
- Orion_PKFD
- · Replies 5 ·
Graduate Can you observe a black hole interior by measuring an entangled particle outside it?
- JC99
- · Replies 25 ·
Graduate How Does Wave Function Collapse Relate to the Double Slit Experiment?
- curiousphoton
- · Replies 23 ·
Graduate Re-evolution of wavefunction after collapse
- 01030312
- · Replies 2 ·
Graduate Invariant Lagrangian or action
- Physiana
- · Replies 5 ·
Graduate Boson coherence at high temperatures?
- BkBkBk
- · Replies 5 ·
Graduate Google's most relevant names in Quantum Theory
- unusualname
- · Replies 10 ·
Graduate How Can You Prove No Bound States Exist in a Finite Spherical Well?
- RPI_Quantum
- · Replies 5 ·
Graduate Physicists are enabling increasingly large quantum systems to go into
- marky3
- · Replies 17 ·
Graduate Resolution in scattering experiments
- evilcman
- · Replies 5 ·
Graduate Photons interfering with themselves-double slit experiment
- Strafespar
- · Replies 17 ·
Graduate Is matter just energy functions interacting rather than actual objects?
- scoobee629
- · Replies 4 ·
Graduate Why does observation change electron behavior in the double slit experiment?
- khkwang
- · Replies 1 ·