原子与光学物理学I–第3部分:原子-光相互作用1-矩阵元素和量子场

Atomic and Optical Physics I– Part 3: Atom-Light Interactions 1 -- Matrix elements and quantized field

Third part of a course in modern atomic and optical physics: the physics of interactions of atoms with an electromagnetic field.

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麻省理工学院
edX
  • 完成时间大约为 4
  • 高级
  • 英语
注:因开课平台的各种因素变化,以上开课日期仅供参考

你将学到什么

spontaneous and stimulated emission

quantization of the radiation field

absorption and emission

line strengths

excitation by narrow and broadband light sources

selection rules

课程概况

This is the third of five modules to introduce concepts and current frontiers of atomic physics and to prepare you for cutting-edge research:

8.421.1x: Resonance

8.421.2x: Atomic structure and atoms in external field

8.421.3x: Atom-Light Interactions 1 — Matrix elements and quantized field

8.421.4x: Atom-Light interactions 2 — Line broadening and two-photon transitions

8.421.5x: Coherence

The third module, 8.421.3x, covers how atoms interact with light. First, dipole and higher order couplings are introduced, and concrete examples for selection rules and matrix elements are given. After quantizing the electromagnetic field and introducing photons, the Jaynes-Cummings model and vacuum Rabi oscillations are presented. Coherent and incoherent time evolution are discussed, also in the framework of Einstein’s A and B coefficients.

At MIT, the content of the five modules makes the first of a two-semester sequence (8.421 and 8.422) for graduate students interested in Atomic, Molecular, and Optical Physics. This sequence is required for Ph.D. students doing research in this field.

In these modules you will learn about the interaction of radiation with atoms: resonance; absorption, stimulated and spontaneous emission; methods of resonance, dressed atom formalism, masers and lasers, cavity quantum electrodynamics; structure of simple atoms, behavior in very strong fields; fundamental tests: time reversal, parity violations, Bell’s inequalities; and experimental methods.

Completing the two-course sequence allows you to pursue advanced study and research in cold atoms, as well as specialized topics in condensed matter physics.

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Course image uses graphic by SVG by Indolences. Recoloring and ironing out some glitches done by Rainer Klute. [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons

预备知识

A two-semester sequence in Quantum Mechanics at the level of MIT 8.05 and 8.06.
Completion of 8.421.1x, 8.421.2x.
 

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