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 An abstract long-distance correlation experiment
- A. Neumaier
- · Replies 242 ·
Graduate Understanding the optimal approximate qubit cloning method
- Strilanc
- · Replies 0 ·
Graduate Why does de Broglie's equation give wave velocity c for matter?
- Isaac0427
- · Replies 4 ·
Graduate Are gravitons the quanta of spacetime?
- DuckAmuck
- · Replies 1 ·
Graduate Does measurement violate unitarity?
- hideelo
- · Replies 2 ·
Graduate Asynchronous Entangled Photon pairs
- yeezyseason3
- · Replies 2 ·
Graduate References for tunneling decay in magnetic fields
- andresB
- · Replies 5 ·
Graduate Few questions about photoelectricity
- cremor
- · Replies 2 ·
Graduate What is nonlocality in relativity ?
- jk22
- · Replies 2 ·
Graduate How the no communication theorem allows nonlocality
- Physicsunderstand1
- · Replies 5 ·
Graduate Did only parts of the diamond get entangled?
- durant35
- · Replies 1 ·
Graduate Mathematical Proof that Photons have No Rest Mass
- Comeback City
- · Replies 4 ·
Graduate Berry's Curvature Equation cross product calculation
- wondering12
- · Replies 1 ·
Graduate Different wave function for different observers?
- friend
- · Replies 16 ·
Undergrad Schrodinger's Cat radioactive source
- TheScienceOrca
- · Replies 44 ·
Graduate Eigenstates of Orbital Angular Momentum
- leo.
- · Replies 7 ·
Graduate Coulomb potential as an operator
- ShayanJ
- · Replies 37 ·
Graduate What does the `|' represent in an infinite product notation?
- blankvin
- · Replies 4 ·
Graduate Pathria page 2 -- total energy for mutually interacting particles
- spaghetti3451
- · Replies 2 ·
Graduate What Happens to Entangled Particles During Collider Experiments?
- Yolander
- · Replies 3 ·
Graduate Does a polarisationfilter do a measurement?
- entropy1
- · Replies 5 ·
Graduate Has progress been made in reconciling quantum field theory with general relativity?
- arupel
- · Replies 13 ·
Graduate Lagrangian invariance under infinitesimal transformations
- ShayanJ
- · Replies 1 ·
Graduate Energy conservation+superpositions=entanglement?
- Scott Hill
- · Replies 6 ·
Graduate How do physicists measure electron position if the wavefunction is everywhere?
- durant35
- · Replies 143 ·
High School Limits of no-communication theorem
- zonde
- · Replies 9 ·
Graduate What does n represent in the standard error formula for quantum operators?
- jk22
- · Replies 20 ·
Graduate Mind over matter reality or myth?
- adfreeman
- · Replies 54 ·
Graduate Quantum antenna thought experiment
- jaydnul
- · Replies 6 ·
Graduate Entangled states before observation.
- Dadface
- · Replies 41 ·
Graduate Possible support to Penrose's OR theory?
- bremsstrahlung
- · Replies 3 ·
Graduate Symmetry groups of molecule - Hamiltonian
- Konte
- · Replies 4 ·
High School Are these good analogues for entanglement
- sciencejournalist00
- · Replies 11 ·
High School Is entanglement preserved on re-emission of photons
- sciencejournalist00
- · Replies 7 ·
Graduate Understanding Bell's inequality
- entropy1
- · Replies 29 ·
Graduate Are space and time really quantized?
- Tollendal
- · Replies 1 ·
Graduate Angular momentum during bremsstrahlung
- intervoxel
- · Replies 1 ·
Graduate Do Relativistic Effects Impact Probabilistic Quantum Mechanics?
- durant35
- · Replies 3 ·
Graduate Can calcium ions be used as a source of entangled photons
- sciencejournalist00
- · Replies 7 ·
Graduate What is the difference between entanglement and coherence
- sciencejournalist00
- · Replies 3 ·
Graduate Stern Gerlach and Nuclear Spin?
- MadRocketSci2
- · Replies 3 ·
Graduate Why Does the Stern-Gerlach Experiment Show Discrete Deflection Angles?
- gentsagree
- · Replies 5 ·
Graduate Question reguarding superpostion
- livethere
- · Replies 1 ·
Graduate Probability of entangled photons passing filter independent?
- entropy1
- · Replies 4 ·
Graduate Shocker: PR Box is logically inconsistent
- jimgraber
- · Replies 3 ·
Undergrad Is the collapse indispensable?
- A. Neumaier
- · Replies 185 ·
Graduate Is macroscopic entanglement a hidden property of all objects?
- durant35
- · Replies 4 ·
Graduate Energy eigenvalue and mass inverse relation?
- AbbasB.
- · Replies 7 ·
Graduate Can you name a few interactions that entangle particles
- sciencejournalist00
- · Replies 3 ·
Graduate SO(4) symmetry in the Coulomb potential
- ShayanJ
- · Replies 15 ·
Graduate Increase of Uncertainty over Time
- Hornbein
- · Replies 5 ·
Graduate Why can we believe the value of field is fluctuated?
- fxdung
- · Replies 8 ·
Graduate What Term must be used for this formalism?
- jlcd
- · Replies 6 ·
Graduate Photon energy in Heisenberg picture
- zonde
- · Replies 4 ·
Graduate Any difference between BEC correlations and entangled states
- sciencejournalist00
- · Replies 1 ·
Graduate Ergodocity and unitary evolution
- A. Neumaier
- · Replies 26 ·
Graduate Do beamsplitters alone create entangled photon states?
- sciencejournalist00
- · Replies 1 ·
Graduate How to measure momentum in principle?
- pellman
- · Replies 22 ·
Graduate Formation of stars and non-conservation of angular momentum
- TRB8985
- · Replies 1 ·
Graduate How does a virtual particle becomes a point interaction?
- jim burns
- · Replies 2 ·
Graduate Can a dust particle be re-prepared with further photons?
- jlcd
- · Replies 18 ·
Graduate Overlap as function of distance
- ftft
- · Replies 2 ·
Graduate The phase between 2 waves describing 2 entangled particles?
- sciencejournalist00
- · Replies 2 ·
Graduate Can particles be absorbed into a field?
- friend
- · Replies 7 ·
Graduate Does photon interaction with objects cause wave function collapse?
- jpling3714
- · Replies 8 ·
Graduate Variable separation - Schrödinger equation
- Konte
- · Replies 8 ·
Graduate Representation of Dirac Spinors
- omidaut
- · Replies 2 ·
Graduate Entangled Photons: What Happens to Photon B? Can Two Combine?
- MaxwellDemon
- · Replies 3 ·
Graduate Cause of quantum effects on small and large scales
- entropy1
- · Replies 13 ·
Graduate Is information conserved in quantum physics?
- Gerinski
- · Replies 2 ·
Graduate Determinism and Uncertainity Principle
- Stephanus
- · Replies 6 ·
Graduate Where do raising and lowering operators come from?
- jjohnson
- · Replies 2 ·
Graduate Can one photon be heard by multiple listeners on a radio station?
- tim9000
- · Replies 27 ·
Graduate Why Must Indistinguishable Particles in Quantum Mechanics Exhibit Symmetry?
- zonde
- · Replies 19 ·
Graduate Can we measure the momentum of a particle in a specific position?
- amjad-sh
- · Replies 20 ·
Graduate Difference/similarity between superposition and uncertainty
- entropy1
- · Replies 6 ·
Graduate Observation and its role on objects/matter/particles
- Fred Boyd
- · Replies 3 ·
Graduate Using Mathematica to solve for Jacobi Identity
- Clarence Liu
- · Replies 3 ·
Graduate Can spin be modeled as a spinning vector until "measured" ?
- Jilang
- · Replies 13 ·
Graduate How Do Electrons Overcome Wave-Particle Duality in CRT Monitors?
- sawer
- · Replies 18 ·
Graduate Poisson brackets commutator vs. quantum commtation relation
- exponent137
- · Replies 3 ·
Graduate What does a source term mean physically in the Klein-Gordon equation?
- "Don't panic!"
- · Replies 4 ·
Graduate Criticism of blog post on quantum pigeonhole principle
- Strilanc
- · Replies 0 ·
High School Why QM (or rather, nature) is weird, in lay terms.
- georgir
- · Replies 3 ·
Graduate Probability and probability amplitude.
- dawningparadox
- · Replies 2 ·
Graduate Does Schrödinger's Cat Age If Found Alive?
- iMatt
- · Replies 6 ·
Graduate Transferring information faster than the speed of light?
- Peter987
- · Replies 5 ·
Undergrad Interference pattern in a moving train
- Adel Makram
- · Replies 12 ·
Graduate Confusion related to momentum eigenstates
- amjad-sh
- · Replies 4 ·
Graduate What would be the axiom of a theory deeper than quantum mechanics?
- jlcd
- · Replies 14 ·
Graduate List of Quantum phenomenon effects
- HawkI
- · Replies 9 ·
Graduate Adding expectation values to a CHSH animation
- edguy99
- · Replies 7 ·
Graduate How do you determine if a particle decay is possible?
- simon96c
- · Replies 10 ·
Graduate Self-adjoint matrix, general form
- Jakub Tesar
- · Replies 4 ·
Graduate What allow matter wave propagation?
- TheCanadian
- · Replies 2 ·
High School Can Quantum Occur on Manifolds Beyond Spacetime?
- jlcd
- · Replies 4 ·
Graduate Are bound state wavefunctions in a 1D potential well real or complex?
- klw289
- · Replies 1 ·
Graduate Classification of multipartite entanglement
- munirah
- · Replies 2 ·
Graduate Photon information after passing the pupil
- AlexxAstro
- · Replies 7 ·
Graduate Superconducting Resonator matches 3 Degree Kelvin Spectrum
- wavepax
- · Replies 12 ·