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Generalized our treatment of first order transitions to include a slow switch on of the perturbation.
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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.
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We calculated the propagator for the simple harmonic oscillator using the Feynman path integral approach.
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Finished going through the Green's function slides and started looking at path integrals.
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Introduced the propagator and began slides on Green's functions
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AUTOTECH 2AE3 Chapter 7 - Impact
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Physics 4Q03 Tutorial Weds April 14: This is the final tutorial spent taking up part of the midterm and answering questions. Good luck with your exams!
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Studied the Green's function approach to scattering theory (L21ScatteringTheory1)
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Finished selection rules (and thereby finished L17T_dep_PT_part3). Started new topic: adiabatic approximation (L18Adiabatic)
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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…
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Started the set of slides L17T_dep_PT_part2 which applies time dependent perturbation theory to various examples.
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Physics 4Q03 Lecture 12: This lecture summarizes the position space formalism of the previous lecture and introduces simple self-interactions.
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Physics 4Q03 Tutorial Feb 11, 2021
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Physics 4Q03 Tutorial Feb 10, 2021
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4Q03 Lecture 11; This lecture argues why the Hamiltonian should arise as a local function in space, and this is used to motivate the definition of position-space fields. The local form for the…
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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…
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Phys 4Q03 Tutorial for Feb 4, 2021.
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Phys 4Q03 Tutorial for Feb 3, 2021.
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