Search for tag: "matrix"

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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
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
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
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
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
QFT-Tut-210118 duration 39 minutes 4 seconds QFT-Tut-210118 QFT-Tut-210118	QFT-Tut-210118 This is the QFT tutorial for Jan 18, 2021 matrix energy particle elements operators particles operator things thing element 's hamiltonian momentum oscillator equation bunch algebra basis position star From Clifford Burgess 12 plays 0
QFT-Tut-210121 duration 49 minutes 16 seconds QFT-Tut-210121 QFT-Tut-210121	QFT-Tut-210121 Physics 4Q03 Tutorial for Jan 21, 2021 particle star things basis momentum vector thing sum operator matrix particles components function vectors space psi 's times notation mechanics From Clifford Burgess 17 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
QFT-Tut-210128 duration 42 minutes 32 seconds QFT-Tut-210128 QFT-Tut-210128	QFT-Tut-210128 Phys 4Q03 Tutorial for Jan 28, 2021. (This one mistakenly has a music track appended from a playlist that was playing when I was setting up and which I forgot to turn off because i could not hear it… particles particle thing star momentum times matrix delta factor theory root perturbation argument things side probability rule minus element operator From Clifford Burgess 34 plays 0
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
QFT-Tut-210204 duration 53 minutes 39 seconds QFT-Tut-210204 QFT-Tut-210204	QFT-Tut-210204 Phys 4Q03 Tutorial for Feb 4, 2021. momentum particles hat particle star thing cubed times factors momenta function prime energy volume delta things continuum factor element matrix From Clifford Burgess 30 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
2011-OpenEFTsGravity-Yale-Burgess duration 1 hour 5 minutes 2011-OpenEFTsGravity-Yale-Burgess 2011-OpenEFTsGravity-Yale-Burgess	2011-OpenEFTsGravity-Yale-Burgess Wilson to Lindblad: Late-time Obstacles to Reliable Calculations with Horizons (and how Open EFTs can help). This talk describes how Open Effective Field Theories can be used to deal with the… times field things equation thing theory evolution scale interaction space matrix function systems argument perturbation density fluctuations term problem story From Clifford Burgess 50 plays 0
PHYS3QI3_class17 duration 49 minutes 58 seconds PHYS3QI3_class17 PHYS3QI3_class17	PHYS3QI3_class17 Finished density operator slides (QI11_Density_Operator) and started the slides on local measurements (QI12_Local_Measurements) density matrix trace operator sum basis rho probabilities entropy things phi probability expression row systems eigenvalues elements sort expectation operators From DUNCAN O'DELL 11 plays 0
PHYS3QI3_class16 duration 18 minutes 0 seconds PHYS3QI3_class16 PHYS3QI3_class16	PHYS3QI3_class16 Went through the ``projector method'' for quantum measurement calculations (QI11_Density_Operator) probability psi basis operator object measurement matrix overlap trace expectation projector side vm half superposition photon elements thing effect words From DUNCAN O'DELL 15 plays 0
November 6, 2020 - Josephine Yu duration 1 hour 1 minute November 6, 2020 - Josephine Yu November 6, 2020 - Josephine Yu	November 6, 2020 - Josephine Yu polynomial tropicalization polynomials linear matrix variety polytope space degree newton points hypersurface point structure direction respect determinant dimension definition spaces From MATHEUS GRASSELLI 5 plays 0
33_PMSM_Torque_Voltage_Equations_Part5 duration 5 minutes 45 seconds 33_PMSM_Torque_Voltage_Equations_Part5 33_PMSM_Torque_Voltage_Equations_Part5	33_PMSM_Torque_Voltage_Equations_Part5 theta cosine sine expression transformation matrix element times elements minus frame result park relationships property circuit theta-2 theta-1 terabytes form From BERKER BILGIN 72 plays 0
PHYS-4F03-class10 duration 45 minutes 56 seconds PHYS-4F03-class10 PHYS-4F03-class10	PHYS-4F03-class10 Started degenerate perturbation theory (L8DegeneratePerturbationTheory). perturbation matrix correction theory degenerate eigenvectors eigenvalues subspace things lambda sum term corrections problem basis elements element sort diagonalization equation From DUNCAN O'DELL 29 plays 0
PHYS3QI3_class15 duration 46 minutes 51 seconds PHYS3QI3_class15 PHYS3QI3_class15	PHYS3QI3_class15 Mixed states and the density operator. Taught by Wyatt Kirkby in 2021 matrix density probability superposition trace operator expectation particle things basis thing elements kind spin particles measurement lot vector mixture sigma From DUNCAN O'DELL 2 plays 0
PHYS739_Approximation_Methods1 duration 1 hour 20 minutes PHYS739_Approximation_Methods1 PHYS739_Approximation_Methods1	PHYS739_Approximation_Methods1 Started perturbation theory. Gave example of quadratic Stark shift of ground state. levels perturbation energy ground degenerate matrix theory subspace problem correction things eigenvectors field contribution momentum idea thing bunch term polarizability From DUNCAN O'DELL 1 plays 0 Usage Rights None (All Rights Reserved)
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)
PHYSICS739_approximation_Methods3 duration 1 hour 9 minutes PHYSICS739_approximation_Methods3 PHYSICS739_approximation_Methods3	PHYSICS739_approximation_Methods3 Showed how to find transition amplitudes from the Dyson series. Began analyzing 1st order perturbations constant in time except for being switched on at t=t0. picture interaction schrodinger function delta perturbation energy operator probability times evolution continuum frequency omega equation transition series thing hamiltonian matrix From DUNCAN O'DELL 2 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)
PHYSICS739_AngularMomentum2 duration 1 hour 22 minutes PHYSICS739_AngularMomentum2 PHYSICS739_AngularMomentum2	PHYSICS739_AngularMomentum2 Group theory of rotations: SO(3) versus SU(2). Started Euler angles. rotation axis matrix matrices rotations minus angle spin space axes parameters elements sigma angles body vectors times prime identity thing From DUNCAN O'DELL 4 plays 0 Usage Rights None (All Rights Reserved)