Search for tag: "momentum"

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18-MorePhotonsEM duration 1 hour 0 minutes 18-MorePhotonsEM 18-MorePhotonsEM	18-MorePhotonsEM Physics 4Q03 Lecture 18: This lecture continues the previous one on photons in electromagnetism, and provides a sermon about UV and IR divergences and why you can use any regularization you like to… energy ground thing things lambda particles theory answer distances field naught story momentum omega plates divergences problem electromagnetism particle function From Clifford Burgess 39 plays 0
QFT-Tut-210114 duration 41 minutes 1 second QFT-Tut-210114 QFT-Tut-210114	QFT-Tut-210114 This is the QFT Tutorial for Jan 14, 2021 energy times function length force things units dots dimensions thing volume momentum particles integer momenta unit box questions gev power From Clifford Burgess 25 plays 0
PHYS-4F03-Class_3 duration 49 minutes 16 seconds PHYS-4F03-Class_3 PHYS-4F03-Class_3	PHYS-4F03-Class_3 Operator approach to angular momentum. Started addition of angular momentum. momentum basis minus bar matrix spin factor operator component eigenvalue values sort integer particle space times instance half max operators From DUNCAN O'DELL 15 plays 0
QFT-Tut-210203 duration 50 minutes 19 seconds QFT-Tut-210203 QFT-Tut-210203	QFT-Tut-210203 Phys 4Q03 Tutorial for Feb 3, 2021. momentum delta hat times particle thing continuum star function factor q. sum particles cubed energy rate normalization answer root things From Clifford Burgess 20 plays 0
PHYS-4F03-class14 duration 40 minutes 55 seconds PHYS-4F03-class14 PHYS-4F03-class14	PHYS-4F03-class14 Hyperfine splitting. Taught by Wyatt Kirkby in 2021 perturbation bit thing theory electron spin eigenstates choice lambda field proton hamiltonian momentum values problem things structure hydrogen idea basis From DUNCAN O'DELL 3 plays 0
QFT-Tut-210211 duration 41 minutes 28 seconds QFT-Tut-210211 QFT-Tut-210211	QFT-Tut-210211 Physics 4Q03 Tutorial Feb 11, 2021 delta function volume momentum particles thing star particle rate things answer 's factor cubed week sum element volumes matrix hat From Clifford Burgess 18 plays 0
10-FieldEnergyRenorm duration 1 hour 4 minutes 10-FieldEnergyRenorm 10-FieldEnergyRenorm	10-FieldEnergyRenorm 4Q03 Lecture 10: This lecture computes the energy shift of a particle due to its interaction with another, introducing ultraviolet divergences and the concept of renormalization along the way. The… energy particle thing particles delta things interaction field epsilon sum function momentum hat times cubed p. answer mass naught k. From Clifford Burgess 77 plays 0
PHYSICS739_AngularMomentum7 duration 1 hour 19 minutes PHYSICS739_AngularMomentum7 PHYSICS739_AngularMomentum7	PHYSICS739_AngularMomentum7 Wigner-Eckart theorem. Note: I previously thought I had lost the recording for PHYSICS739_AngularMomentum6, but I think I found it (it is on macvideo) matrix minus thing vector rotation elements operator momentum element epsilon things charge events basis bar axis guy fact selection operators From DUNCAN O'DELL 8 plays 0 Usage Rights None (All Rights Reserved)
QFT-Tut-210201 duration 1 hour 2 minutes QFT-Tut-210201 QFT-Tut-210201	QFT-Tut-210201 Phys 4Q03 Tutorial for Feb 1, 2021. thing matrix interaction star element particle particles delta 's hat function energy hamiltonian things mathematica rule momentum answer fermi times From Clifford Burgess 23 plays 0
14-Semiclassical BEC duration 1 hour 3 minutes 14-Semiclassical BEC 14-Semiclassical BEC	14-Semiclassical BEC Physics 4Q03 Lecture 14: This lecture continues the discussion of Bose Einstein condensation and shows how a semiclassical analysis can allow a calculation of the optimal density of condensed… psi naught particles energy thing hat ground star density volume epsilon mu things expectation times momentum interaction term infinity particle From Clifford Burgess 45 plays 0
06_Scattering duration 52 minutes 23 seconds 06_Scattering 06_Scattering	06_Scattering Physics 4Q03 Lecture 06: This lecture uses the results for time-dependent perturbation theory to calculate transition rates in terms of the matrix elements of the interaction Hamiltonian, culminating… energy function interaction delta alpha beta hamiltonian times momentum thing problem naught infinity matrix rate eigenstates limit wave element packet From Clifford Burgess 118 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
QFT-Tut-210125 duration 37 minutes 22 seconds QFT-Tut-210125 QFT-Tut-210125	QFT-Tut-210125 Physics 4Q03 Tutorial for Jan 25, 2021. thing star particle momentum things operator energy delta sum operators charge creation assignment k. vacuum psi q. times function space From Clifford Burgess 16 plays 0
PHYSICS739_approximation_Methods2 duration 1 hour 27 minutes PHYSICS739_approximation_Methods2 PHYSICS739_approximation_Methods2	PHYSICS739_approximation_Methods2 Introduced the interaction picture picture perturbation schrodinger equation interaction evolution energy matrix symmetry operator momentum hamiltonian thing minus hydrogen ground operators things theory problem From DUNCAN O'DELL 0 plays 0 Usage Rights None (All Rights Reserved)
PHYS-4F03-class11 duration 52 minutes 5 seconds PHYS-4F03-class11 PHYS-4F03-class11	PHYS-4F03-class11 Finished slides L8DegeneratePerturbationTheory and started applications of perturbation theory in atomic physics (fine structure) perturbation field electron energy effect structure momentum quantum potential degenerate theory nucleus values hydrogen correction levels times spin factor things From DUNCAN O'DELL 12 plays 0
QFT-Tut-210127 duration 37 minutes 19 seconds QFT-Tut-210127 QFT-Tut-210127	QFT-Tut-210127 Physics 4Q03 Tutorial for Jan 27, 2021. delta particles star particle matrix factor element root thing k. momentum things operator sum s. rho adjoint rule end stars From Clifford Burgess 26 plays 0
03_Creation_Annihilation duration 55 minutes 23 seconds 03_Creation_Annihilation 03_Creation_Annihilation	03_Creation_Annihilation Physics 4Q03 Lecture 03: This lecture provides the foundation of much of what follows: the definition and properties of creation and annihilation operators. These operators provide a basis in terms… star particle particles energy momentum thing root matrix times things ground labels operator label oscillator operators n. element stars hamiltonian From Clifford Burgess 136 plays 0
1-10. DISCUSSION OF VISCOUS STRESSES AND THE… duration 22 minutes 49 seconds 1-10. DISCUSSION OF VISCOUS STRESSES AND THE… 1-10. DISCUSSION OF VISCOUS STRESSES AND THE NAVIER-STOKES EQUATIONS - Quiz	1-10. DISCUSSION OF VISCOUS STRESSES AND THE NAVIER-STOKES EQUATIONS - Quiz Editing done ; quiz added need to add quiz at 12:29 velocity momentum fluid control volume equations direction region bit equation side wall forces flow loss pressure speed condition gradient motion From Marilyn Lightstone 137 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
15-Bogliubov duration 1 hour 7 minutes 15-Bogliubov 15-Bogliubov	15-Bogliubov Physics 4Q03 Lecture 15: This lecture describes the leading corrections to the classical BEC, using a Bogoliubov transformation to identify the spectrum of quasiparticle fluctuations about the… psi naught star energy hat thing ground particles times things epsilon momentum phase p. minus cosh chi function operator root From Clifford Burgess 58 plays 0
07_Emission duration 1 hour 18 minutes 07_Emission 07_Emission	07_Emission Physics 4Q03 Lecture 07: This lecture applies Fermi's Golden Rule to evaluate the rate for photon emission by an excited atom. This example is also used to illustrate the phenomenon of… delta momentum energy function particle thing times factor decay things rate cubed hamiltonian continuum volume element particles star k. matrix From Clifford Burgess 134 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)
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
PHYS739_AngularMomentum1 duration 1 hour 24 minutes PHYS739_AngularMomentum1 PHYS739_AngularMomentum1	PHYS739_AngularMomentum1 Finished slides on "What is a spin?" spin thing matrix direction momentum basis particle mechanics operator bar space theory times field things axis identity electron angle components From DUNCAN O'DELL 2 plays 0 Usage Rights None (All Rights Reserved)