Search for tag: "perturbation"
PHYSICS739_approximation_Methods3Showed 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.
From DUNCAN O'DELL
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PHYS739_Approximation_Methods1Started perturbation theory. Gave example of quadratic Stark shift of ground state.
From DUNCAN O'DELL
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PHYS-4F03-class24Used first order time-dependent perturbation to study the interaction between atoms and incoherent light (L17T_dep_PT_part3)
From DUNCAN O'DELL
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PHYS-4F03-class23Finished 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…
From DUNCAN O'DELL
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PHYS-4F03-class22Started the set of slides L17T_dep_PT_part2 which applies time dependent perturbation theory to various examples.
From DUNCAN O'DELL
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PHYS-4F03-class21Derived 1st order time-dependent perturbation theory (L16T_dep_PT_part1)
From DUNCAN O'DELL
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QFT-Tut-210128Phys 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…
From Clifford Burgess
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PHYS-4F03-class11Finished slides L8DegeneratePerturbationTheory and started applications of perturbation theory in atomic physics (fine structure)
From DUNCAN O'DELL
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PHYS-4F03-class10Started degenerate perturbation theory (L8DegeneratePerturbationTheory).
From DUNCAN O'DELL
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PHYS-4F03-Class8Finished identical particle and started time-independent perturbation theory.
From DUNCAN O'DELL
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09-CoherentStatePhysics 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…
From Clifford Burgess
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2011-OpenEFTsGravity-Yale-BurgessWilson 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…
From Clifford Burgess
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05_PtbnTheoryPhysics 4Q03 Lecture 05: This lecture reviews the formalisms of time-independent and time-dependent Rayleigh-Schrodinger perturbation theory for quantum mechanics.
From Clifford Burgess
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