Search for tag: "wave"

36 Media

Ultrasound duration 1 hour 51 minutes Ultrasound Ultrasound	Ultrasound ultrasound kind resolution wave sound transducer frequency tissue waves bit speed intensity radiation image bone imaging reflections lot surface impedance From Troy Farncombe 115 plays 0
PHYSICS739_WKB1 duration 1 hour 21 minutes PHYSICS739_WKB1 PHYSICS739_WKB1	PHYSICS739_WKB1 First class on the WKB approximation function equation bar energy wave term potential series wavelength things factor root solution thing point schrodinger approximation expression momentum times From DUNCAN O'DELL 3 plays 0 Usage Rights None (All Rights Reserved)
PHYSICS739_SHO_HeisenbergEoM&CoherentStates duration 1 hour 25 minutes PHYSICS739_SHO_HeisenbergEoM&CoherentStates PHYSICS739_SHO_HeisenbergEoM&CoherentStates	PHYSICS739_SHO_HeisenbergEoM&CoherentStates 1) Discussed the Heisenberg equation of motion applied to the simple harmonic oscillator 2) Discussed coherent states operator oscillator things dagger operators mechanics energy bar alpha thing equation space equations phase function commutator times distribution wave fact From DUNCAN O'DELL 2 plays 0 Usage Rights None (All Rights Reserved)
PHYSICS739_Propagator2 duration 39 minutes 19 seconds PHYSICS739_Propagator2 PHYSICS739_Propagator2	PHYSICS739_Propagator2 Finished going through the Green's function slides and started looking at path integrals. function equation wave green solution side schrodinger space problem potential hand plane thing scattering things theory delta term series theta From DUNCAN O'DELL 2 plays 0 Usage Rights None (All Rights Reserved)
PHYSICS739_Propagator duration 1 hour 25 minutes PHYSICS739_Propagator PHYSICS739_Propagator	PHYSICS739_Propagator Introduced the propagator and began slides on Green's functions function equation wave green solution schrodinger delta point root operator times functions minus potential hand side conditions sigma position thing From DUNCAN O'DELL 2 plays 0 Usage Rights None (All Rights Reserved)
PHYSICS739_ElectromagneticFields duration 1 hour 37 minutes PHYSICS739_ElectromagneticFields PHYSICS739_ElectromagneticFields	PHYSICS739_ElectromagneticFields Discussed how to include electromagnetic fields in the Schrodinger equation and path integrals, and also covered the Aharonov-Bohm effect mechanics field things function vector thing fields momentum position gauge flux potential path wave motion respect loop transformations operator times From DUNCAN O'DELL 1 plays 0 Usage Rights None (All Rights Reserved)
PHYSIC739_WKB2_connection duration 1 hour 19 minutes PHYSIC739_WKB2_connection PHYSIC739_WKB2_connection	PHYSIC739_WKB2_connection Discussed how to obtain the WKB connection formulae using both the transitional approximation and the complex method. Also applied the WKB method to quantize wave functions in various potential wells. solution point side function turning factor wave problem hand minus phase solutions pi things energy equation functions thing cosine momentum From DUNCAN O'DELL 0 plays 0 Usage Rights None (All Rights Reserved)
PHYS4F03_class6_2022 duration 50 minutes 11 seconds PHYS4F03_class6_2022 PHYS4F03_class6_2022	PHYS4F03_class6_2022 Finished L4IdenticalParticles and started L5IdenticalParticlesExchangeInteraction particles wave function particle fermions spin things operator degrees nature fact mechanics sort permutation electrons functions bosons electron belt coordinates From DUNCAN O'DELL 6 plays 0
PHYS4F03_class34 duration 54 minutes 3 seconds PHYS4F03_class34 PHYS4F03_class34	PHYS4F03_class34 Finished partial waves and began scattering phase shifts (L24ScatteringTheory4_Phase_shifts) wave potential waves scattering form function expression sum term factor momentum energy zone problem functions plane solution cross sphere thing From DUNCAN O'DELL 5 plays 0
PHYS4F03_class33 duration 53 minutes 5 seconds PHYS4F03_class33 PHYS4F03_class33	PHYS4F03_class33 Finished the Born approximation and started partial waves (L23ScatteringTheory3_Partial_Waves) wave scattering potential momentum problem plane approximation function energy equation solution field particles theory direction functions amplitude waves form things From DUNCAN O'DELL 3 plays 0
PHYS4F03_class31 duration 49 minutes 15 seconds PHYS4F03_class31 PHYS4F03_class31	PHYS4F03_class31 Studied the Green's function approach to scattering theory (L21ScatteringTheory1) function equation solution green side hand problem wave source potential delta grad theta term space times schrodinger minus scattering fourier From DUNCAN O'DELL 5 plays 0
PHYS4F03_class30 duration 48 minutes 1 second PHYS4F03_class30 PHYS4F03_class30	PHYS4F03_class30 Scattering theory: covered the basic setup of a scattering experiment, including the differential scattering cross-section, asymptotic wavefunction, and the scattering amplitude (L21ScatteringTheory1) angle scattering wave particles potential sphere theta sigma cross omega angles distance target incident things thing sine ring function sort From DUNCAN O'DELL 3 plays 0
PHYS4F03_class29 duration 40 minutes 46 seconds PHYS4F03_class29 PHYS4F03_class29	PHYS4F03_class29 Studied the Aharonov-Bohm effect (as an example of a Berry phase) and thereby finished the slides on Berry's phase. field solenoid phase potential path vector flux thing effect wave fields phi mechanics berry electromagnetism electrons rho momentum fact row From DUNCAN O'DELL 4 plays 0
PHYS3QI3_class8 duration 52 minutes 4 seconds PHYS3QI3_class8 PHYS3QI3_class8	PHYS3QI3_class8 Finished slides QI6_Spins_and_Photons, started slides on Operators basis measurement photon mechanics probability superposition operator vector phase wave bomb measurements sort cat thing phi photons modulus sphere things From DUNCAN O'DELL 15 plays 0
PHYS3QI3_Class7 duration 50 minutes 53 seconds PHYS3QI3_Class7 PHYS3QI3_Class7	PHYS3QI3_Class7 Continued going through slides QI6_Spins_and_photons. Introduced Dirac notation. basis mechanics measurement psi space vector photon interference probability sort wave quantum vectors amplitudes photons direction minus experiment hilbert pattern From DUNCAN O'DELL 23 plays 0
PHYS3QI3_class6 duration 44 minutes 26 seconds PHYS3QI3_class6 PHYS3QI3_class6	PHYS3QI3_class6 Went through the first slides in QI6_Spins_and_photons light polarization wave photon vector component phase direction photons measurement sort polaroid interference polarizer field minus screen components waves beam From DUNCAN O'DELL 21 plays 0
PHYS3QI3_class5 duration 52 minutes 16 seconds PHYS3QI3_class5 PHYS3QI3_class5	PHYS3QI3_class5 Finished class communication theory and started QI6_Spins_and_Photons spin bits direction bit log thing sort particles things wave field minus fact messages moment silver light times probability interference From DUNCAN O'DELL 13 plays 0
PHYS-4F03-Class8 duration 53 minutes 21 seconds PHYS-4F03-Class8 PHYS-4F03-Class8	PHYS-4F03-Class8 Finished identical particle and started time-independent perturbation theory. particles 0th term perturbation eigenvectors equation correction lambda eigenvalues problem wave hamiltonian sort function sum operator permutation particle theory eigenvalue From DUNCAN O'DELL 9 plays 0
PHYS-4F03-class6 duration 49 minutes 5 seconds PHYS-4F03-class6 PHYS-4F03-class6	PHYS-4F03-class6 Covered the exchange interaction and began discussion of quantum statistical mechanics particles wave interaction function exchange expectation energy sort density electrons particle spin bit fermions spins term times atoms psi probability From DUNCAN O'DELL 7 plays 0
PHYS-4F03-class5 duration 49 minutes 56 seconds PHYS-4F03-class5 PHYS-4F03-class5	PHYS-4F03-class5 Covered L4Identical particles particles particle mechanics operator sort fermions function wave prime electrons permutation things body spin exchange bosons bit quantum place atom From DUNCAN O'DELL 4 plays 0
PHYS-4F03-class23 duration 53 minutes 53 seconds PHYS-4F03-class23 PHYS-4F03-class23	PHYS-4F03-class23 Finished going through the slides L17T_dep_PT_part2 which included perturbations with harmonic time dependence, including the illumination of an atom by a laser. Started the next set of slides… field atom energy perturbation frequency omega light wave dipole times theory matrix direction form charge fact transition frequencies function probability From DUNCAN O'DELL 5 plays 0
PHYS-4F03-class18 duration 52 minutes 13 seconds PHYS-4F03-class18 PHYS-4F03-class18	PHYS-4F03-class18 Finished going through WKB connection formulae (L14WKBconnection) solution point side turning form function hand region potential phase momentum minus solutions wave theta wk equation pi exponentials term From DUNCAN O'DELL 9 plays 0
PHYS-4F03-class16 duration 50 minutes 40 seconds PHYS-4F03-class16 PHYS-4F03-class16	PHYS-4F03-class16 Started the WKB approximation (L13WKB_approximation.pdf) equation bar series phi wavelength function approximation prime momentum wave schrodinger expression expansion times position potential term energy sort theory From DUNCAN O'DELL 14 plays 0
PHYS-4F03-class15 duration 39 minutes 1 second PHYS-4F03-class15 PHYS-4F03-class15	PHYS-4F03-class15 Variational principle. Taught by Wyatt Kirkby in 2021 energy ground guess wave function expectation electron theta r1 nucleus hydrogen wavefunction parameter thing charge r2 electrons lot principle phi From DUNCAN O'DELL 5 plays 0