Search for tag: "continuum"

6 Media

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
QFT-Tut-210210 duration 57 minutes 3 seconds QFT-Tut-210210 QFT-Tut-210210	QFT-Tut-210210 Physics 4Q03 Tutorial Feb 10, 2021 momentum delta function things particles thing space week position energy prime factors particle continuum probability factor times rate cubed translation From Clifford Burgess 13 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-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
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
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