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 Quantum Gas Below Absolute Zero
- F1225
- · Replies 6 ·
Graduate What Factors Influence the Lifetimes of He S=1,0 States in Quantum Mechanics?
- Sekonda
- · Replies 7 ·
Graduate How can scattering with interaction at all time be resolved using QFT?
- ndung200790
- · Replies 17 ·
Graduate Is Feynman's interpretation of the double slit experiment universally accepted?
- I2004
- · Replies 8 ·
Graduate Wrapping my head around holography
- lookbehindu
- · Replies 17 ·
Graduate Ground level energies (Particle in a box vs Harmonic Osc.)
- Denver Dang
- · Replies 3 ·
Graduate The uncertainity principle, a new take?
- I2004
- · Replies 13 ·
Measuring the polariztion of a pair of entangled photons
- Cylten
- · Replies 1 ·
Graduate Question about the double-slit experiment.
- Bararontok
- · Replies 42 ·
Graduate Can the result of an optical circuit depend on when you check it?
- Strilanc
- · Replies 8 ·
Graduate Why do spin and charge both prevent like pairs from occupying the same state?
- DiracPool
- · Replies 7 ·
Graduate Momentum,discrete or continuous spectrum?
- ShayanJ
- · Replies 11 ·
Undergrad What gives a proton it's charge?
- Mohamed Daw
- · Replies 22 ·
Graduate The generator of time translation
- aaaa202
- · Replies 3 ·
Graduate Quantum tunnelling w/ macroscopic objects
- BWV
- · Replies 25 ·
Graduate Double Slit - Multiple Observers
- Zzzfilesk1
- · Replies 1 ·
Graduate Problem with changing basis in Hilbert space
- Chain
- · Replies 4 ·
Graduate Faster than light subatomic spin
- DiracPool
- · Replies 24 ·
Graduate Realism in the vein of EPR and Bell
- DrChinese
- · Replies 22 ·
Graduate Some fundamental questions on light matter interactions
- 110010
- · Replies 8 ·
Graduate What does an unnormalized photon pulse represent quantum mechanically?
- McLaren Rulez
- · Replies 2 ·
Graduate Integrating over constrained variables in Peskin & Schroeder
- VantagePoint72
- · Replies 4 ·
Graduate What are the Origins and Properties of the Graviton?
- Leoragon
- · Replies 22 ·
Graduate Is reality at quantum level just probablilistic?
- Moris526
- · Replies 5 ·
Graduate Wavefunction collapse - experimental proof?
- maxydelanoche
- · Replies 3 ·
Graduate Propagator using Functional QFT
- jfy4
- · Replies 5 ·
Graduate Evaluate Wigner Weyl Transforms for xp+px/2
- aim1732
- · Replies 6 ·
Graduate A peculiarity in uncertainty principle
- ShayanJ
- · Replies 49 ·
Graduate Hermitian Operator Expectation Values
- Sekonda
- · Replies 9 ·
Graduate Unruh effect and energy imparted to a detector
- asimov42
- · Replies 10 ·
Undergrad Is a Planck length really the smallest length?
- Jow
- · Replies 18 ·
Graduate What is the behavior of an electron in an asymmetric potential well?
- bcrowell
- · Replies 10 ·
Graduate How does spin rotation work if spin can only be up or down?
- haibane90
- · Replies 5 ·
Graduate Do QM and Thermodynamics interact?
- AndySA
- · Replies 7 ·
Graduate Are Field Quanta Truly Real in Quantum Field Theory?
- I2004
- · Replies 3 ·
Undergrad What is the Weak Nuclear Force?
- dbmorpher
- · Replies 5 ·
Undergrad Images of electron orbitals for H2, He, Li and Li2?
- Br.S
- · Replies 22 ·
Graduate Does a Detector Alter Diffraction Patterns in the Two-Slit Experiment?
- rp1220
- · Replies 2 ·
Undergrad Quick Electromagnetically Induced Transparency Question
- jaketodd
- · Replies 3 ·
Graduate Does QM itself prevent removal of noise without comparison
- San K
- · Replies 10 ·
Graduate How Does Gauge Theory Apply to Electrodynamics and Teleparallel Gravity?
- Worldline
- · Replies 5 ·
Graduate Parity Violation in Weak Decay
- svrphy
- · Replies 3 ·
Graduate Can macroscopic pilot-wave theory explain quantum mechanics?
- pilotwave
- · Replies 1 ·
Graduate Neutron interferomerty with Protons?
- shunra
- · Replies 5 ·
Graduate Do electrons really orbit the nucleus like planets?
- Denver Dang
- · Replies 2 ·
Graduate What counts as an observation in QM?
- HomogenousCow
- · Replies 3 ·
Graduate Reference for Axiomatic Quantum Statistical Mechanics
- 1ndranil
- · Replies 2 ·
Graduate Why photon wave function does not exist?
- exponent137
- · Replies 12 ·
Graduate Invariance of schroedinger equation
- jk22
- · Replies 3 ·
Graduate Density matrix off-diagonal elements
- auctor
- · Replies 2 ·
Graduate Can't understand the algebraic theory of spin.
- siddharth5129
- · Replies 4 ·
Graduate Shankar Questions About Quantum Mechanics (Schwarz Inequality)
- Dr_Pill
- · Replies 23 ·
Graduate Spin angular momentum of electron
- dev70
- · Replies 6 ·
Undergrad What is the Schrödinger equation and what does it describe?
- dbmorpher
- · Replies 3 ·
Graduate Do hidden variable theories reject superposition of states?
- I2004
- · Replies 7 ·
Graduate What is the role of the path-integral formulation in quantum mechanics?
- I2004
- · Replies 9 ·
Graduate Distinguishing identical particles with separated wave packets
- ndung200790
- · Replies 3 ·
Graduate What Books Continue Ballentine's Approach to Quantum Statistical Mechanics?
- WiFO215
- · Replies 4 ·
Graduate Ground state of Phosphorus Problem
- r_tea
- · Replies 1 ·
Graduate Why do experiments violating Bell's inequality matter?
- Greg-ulate
- · Replies 10 ·
Graduate Deriving Quantum Numbers from the Schrodinger Equation
- Mandelbroth
- · Replies 2 ·
Graduate I don't undersrtand quantum mechanics and string theory
- Drake711
- · Replies 5 ·
Graduate Eigenstates of the momentum operator
- aaaa202
- · Replies 12 ·
Graduate Effect of obstruction on Quantum Entanglement
- San K
- · Replies 3 ·
Undergrad A gear that i don't know its name
- cyth0987
- · Replies 7 ·
Graduate Changing the sign of 4-momenta in Feynman diagrams
- geoduck
- · Replies 3 ·
Graduate Why is experimental covariance less than 1 for entangled photons?
- jk22
- · Replies 3 ·
Graduate Where does the magnetic field in spin-orbit coupling come from?
- alemsalem
- · Replies 9 ·
Graduate Angular momentum and coordinates
- M. next
- · Replies 4 ·
Graduate How do Gaussian solutions manifest in Dirac diffusion?
- jk22
- · Replies 4 ·
Graduate Using Wolfgang Pauli's Exclusion Principle for communication
- philrainey
- · Replies 2 ·
Graduate Energy vs. position eigenstates
- mpv_plate
- · Replies 3 ·
Graduate Entanglement and Bell's theorem. Is the non-locality real?
- Sylvia Else
- · Replies 53 ·
Graduate Can Objects Be Infinitely Divisible?
- uperkurk
- · Replies 14 ·
Graduate Commutator Relation: What is [\hat{A}\hat{B}, \hat{C}\hat{D}] Equal to?
- M. next
- · Replies 4 ·
Graduate Does Quantum Decoherence Imply Permanent Superposition for Humans?
- I2004
- · Replies 5 ·
Graduate Coherent state generation from distinguishable photon sources at a beamsplitter
- al onestone
- · Replies 2 ·
Graduate Wick's Rotation contour integration
- Sekonda
- · Replies 4 ·
Graduate Mathematical misconception in scattering: switching from cartesian to spherical
- M. next
- · Replies 3 ·
Graduate Not seeing the action of a free particle in the Path Integral Formulation
- Shmi
- · Replies 9 ·
Graduate Heisenberg's Uncertainty vs Virtual Particle Fluctuations
- sanman
- · Replies 13 ·
Graduate Wigner distribution in phase space
- aim1732
- · Replies 3 ·
Graduate Any experiment to falsify quantum mechanics?
- cooleggyh
- · Replies 8 ·
Graduate Orbital degeneracy in partially filled p subshells and shielding order
- Ezio3.1415
- · Replies 1 ·
Graduate Light scattering and thermal emission of a body
- DaTario
- · Replies 4 ·
Graduate Fourier transform as (continuous) change of basis
- TrickyDicky
- · Replies 1 ·
Undergrad Need a simple wave function explanation
- pigman70
- · Replies 2 ·
Graduate Difference between Lorentz generators J, M, and S for spinors
- liorde
- · Replies 22 ·
Graduate Interaction picture and s-matrix
- geoduck
- · Replies 7 ·
Graduate Calculating Residues and using Cauchy Integral Formula
- Sekonda
- · Replies 2 ·
Graduate Degeneracy Parameter A: What is N, V, and k?
- ZedCar
- · Replies 2 ·
Graduate Can someone who knows Quantum Mechanics tell me if this video is a good intro?
- MattA147
- · Replies 11 ·
Graduate Potential function with V=0 for |x|<1 and V=∞ elsewhere
- donsammie
- · Replies 3 ·
Graduate Conservation of energy during generation of entanglement
- San K
- · Replies 5 ·
Graduate Why do infinite spatial derivatives in the Hamiltonian imply non-locality?
- tut_einstein
- · Replies 7 ·
Graduate A perturbation operator problem
- einstein1921
- · Replies 2 ·
Graduate Expected values in infinite square well
- Aikon
- · Replies 3 ·
Graduate About propagator and poles in QFT
- Lucien1011
- · Replies 1 ·
Undergrad Can any magnet achieve quantum levitation?
- TheAnalogKid2
- · Replies 2 ·
Undergrad Best book for Quantum mechanics
- SUROJL
- · Replies 1 ·