Search for tag: "momentum"

61 Media

Electronic Structure 1 duration 1 hour 23 minutes Electronic Structure 1 Electronic Structure 1	Electronic Structure 1 captionasr energy light electron atom frequency hydrogen orbitals wave electrons wavelength function momentum formula photon minus levels values plate numbers terahertz chem 1a03 chem 1e03 spring 2020 From Linda Davis 6,097 plays 0
02_IdentPtcl_SHO duration 1 hour 0 minutes 02_IdentPtcl_SHO 02_IdentPtcl_SHO	02_IdentPtcl_SHO Physics 4Q03 Lecture 02. This lecture describes several issues associated with multiple-particle states in quantum mechanics, including the classification of all particles as bosons or fermions and… particles particle momentum energy position operators star things operator omega hamiltonian space thing mechanics psi basis function quantum momenta eigenstates From Clifford Burgess 156 plays 0
1-9 DERIVATION OF MOM EQNS - VISCOUS STRESSES duration 17 minutes 29 seconds 1-9 DERIVATION OF MOM EQNS - VISCOUS STRESSES 1-9 DERIVATION OF MOM EQNS - VISCOUS STRESSES	1-9 DERIVATION OF MOM EQNS - VISCOUS STRESSES EDITING DONE - 10:46, 12:58, 15:51, 16:44, Quiz added in correct spot momentum term equation equations forces flow direction stresses pressure side velocity force gradient times body hand gravity volume tau delta mu From Marilyn Lightstone 147 plays 0
1-8. Derivation of Momentum Equation duration 19 minutes 6 seconds 1-8. Derivation of Momentum Equation 1-8. Derivation of Momentum Equation	1-8. Derivation of Momentum Equation edit at 2:20 delta forces direction glob equation times volume fluid surface force x. equations momentum control body del acceleration tau pressure mass y. stresses From Marilyn Lightstone 146 plays 0
1-2. Convective Derivative duration 6 minutes 48 seconds 1-2. Convective Derivative 1-2. Convective Derivative	1-2. Convective Derivative I have edited out the wireframe example. velocity space fluid wireframe observer temperature device path conservation frame dots change bit reference mechanics concentration bunch rate location thermometer point kind derivatives past momentum mass From Marilyn Lightstone 148 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
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
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
1-11. FRICTIONLESS FLOW duration 18 minutes 2 seconds 1-11. FRICTIONLESS FLOW 1-11. FRICTIONLESS FLOW	1-11. FRICTIONLESS FLOW editing done equation flow streamline momentum bernoulli stream gravity viscosity velocity hand effects region term direction side walls kind stuff gradients layer rho From Marilyn Lightstone 115 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
08-AbsrbGenNThermalDist duration 1 hour 27 minutes 08-AbsrbGenNThermalDist 08-AbsrbGenNThermalDist	08-AbsrbGenNThermalDist 4Q03 Lecture 08: This lecture continues to convert Fermi's Golden Rule to continuum normalization, doing so for a simple absorption process and then for a general scattering process, defining… particles momentum thing volume particle rate factor times function cubed continuum beta delta alpha energy probability reaction density factors matrix From Clifford Burgess 105 plays 0
27-Microcausality duration 1 hour 22 minutes 27-Microcausality 27-Microcausality	27-Microcausality Physics 4Q03 Lecture 27: This lecture describes the logic that determines which fields can be used to represent particles of different spins, and describes the requirement of microcausality and why… lambda transformations particle lorentz field transformation phi matrix thing inverse spin particles star times space representations fields invariant momentum function From Clifford Burgess 84 plays 0
09-CoherentState duration 59 minutes 32 seconds 09-CoherentState 09-CoherentState	09-CoherentState Physics 4Q03 Lecture 09: This lecture introduces coherent states, and derives them as the eigenstates to which a bosonic system is often driven in the presence of persistent stimulated emission. The… alpha star energy thing particles photons photon times ground particle theory omega momentum sum hamiltonian field perturbation bar distribution infinity From Clifford Burgess 86 plays 0
04_Fermions_Completeness duration 46 minutes 50 seconds 04_Fermions_Completeness 04_Fermions_Completeness	04_Fermions_Completeness Physics 4Q03 Lecture 04: This lecture extends the notions of creation and annihilation operators to fermions, and derives the anticommutation algebra that these satisfy. The lecture also sketches out… particle star particles operator operators matrix thing fermions lambda labels creation bosons hamiltonian photons momentum destruction things space energy zeta From Clifford Burgess 85 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
28_Klein-Gordon Field and Lagrangians duration 1 hour 19 minutes 28_Klein-Gordon Field and Lagrangians 28_Klein-Gordon Field and Lagrangians	28_Klein-Gordon Field and Lagrangians Physics 4Q03 Lecture 28: This lecture applies the framework of relativistic quantum fields to the simplest case of a spinless particle and constructs the Klein Gordon hamiltonian and some of its… phi star particle hamiltonian thing particles energy momentum things field times bar factor function equation term space commutator schrodinger interaction From Clifford Burgess 89 plays 0
26-Poincare Generators duration 1 hour 15 minutes 26-Poincare Generators 26-Poincare Generators	26-Poincare Generators Physics 4Q03 Lecture 26: This lecture works through how Poincare generators (4-momentum and the angular momentum tensor) transform in quantum relativity. A sketch is given of the argument for the… transformations lambda transformation thing omega alpha times matrix things lorentz inverse beta mu space hamiltonian theta epsilon multiplication bar momentum From Clifford Burgess 71 plays 0
12-PositionSpace Interactions duration 1 hour 31 minutes 12-PositionSpace Interactions 12-PositionSpace Interactions	12-PositionSpace Interactions Physics 4Q03 Lecture 12: This lecture summarizes the position space formalism of the previous lecture and introduces simple self-interactions. particles energy particle thing things hamiltonian star function momentum sum interaction times probability prime problem volume delta n. operator space From Clifford Burgess 66 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
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
QFT-Tut-210113 duration 56 minutes 15 seconds QFT-Tut-210113 QFT-Tut-210113	QFT-Tut-210113 This is the QFT Tutorial for Jan 13, 2021. particles things particle momentum probability energy thing sum mechanics minus equation beta times field equations notation operator statement psi bosons From Clifford Burgess 44 plays 0
17-PhotonsInQED duration 1 hour 7 minutes 17-PhotonsInQED 17-PhotonsInQED	17-PhotonsInQED Physics 4Q03 Lecture 17: This lecture continues the discussion of quantizing the electromagnetic fields and shows how field energy and momentum can be written in terms of photon creation and… field energy thing equation things omega epsilon operator lambda solution function equations star operators momentum freedom vector density delta k. From Clifford Burgess 48 plays 0
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
PHYS-4F03-class12 duration 47 minutes 15 seconds PHYS-4F03-class12 PHYS-4F03-class12	PHYS-4F03-class12 Finished Fine structure (L9Fine_structure) spin momentum half orbit energy hamiltonian equation field electron halves basis dot cubed structure commutator numbers fact times correction s. From DUNCAN O'DELL 22 plays 0