5–7 Feb 2024
Physics Department, University of Johannesburg (APK Campus)
Africa/Johannesburg timezone

Session

Dr. Garreth Kemp

6 Feb 2024, 13:30
Seminar Room (Physics Department, University of Johannesburg (APK Campus))

Seminar Room

Physics Department, University of Johannesburg (APK Campus)

C1-LAB, FIRST FLOOR CRN KINGSWAY AVENUE & UNIVERSITY ROAD, AUKLAND PARK ROSSMORE, JOHANNESBURG, 2092 26°11'07.9"S 27°59'53.1"E

Description

The Feynman-Vernon path integral formalism is a powerful tool for studying open quantum systems. As a concrete example, quantum Brownian motion may be studied using the theory of open quantum systems. The goal of the first lecture will be to outline the Caldeira-Leggett model for quantum Brownian motion. The goal of the second lecture will be to introduce the Feynman-Vernon path integral formalism for open quantum systems and then to apply it to the Caldeira-Leggett model for quantum Brownian motion.

  • Caldeira-Leggett model for quantum Brownian motion.
  • Derive the high temperature equation of motion.
  • Obtain an approximate stationary solution.
  • Derive the exact Heisenberg equations of motion.

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