Experimental Physics 5a - Atomic, Molecular and Quantum Physics
Lecture
The lecture is in person, Lorentzraum (vorderer Kreuzbau, 5th floor).
It will simultaneously be broadcast via zoom, recorded and uploaded to Panopto.
Zoom links:
Lecture PDFs
20 Oct 21: Intro
21 Oct 21: Proton Radius
27 Oct 21: Very quick recap: Schrödinger Equation
28 Oct 21: Dirac Equation
3 Nov 21: relativistic corrections
4 Nov 21: Lamb shift
17 Nov 21: Hyperfine structure
18 Nov 21: Multielectron atoms: Alkalis
24 Nov 21: Hund's rules continued
25 Nov 21: j-j-coupling, inner shell x-rays, Helium atom pt. 1
1 Dec 21: Helium atom pt. 2
2 Dec 21: Einstein A&B coefficients; Laser (3 partial movies on Panopto, sorry)
8 Dec 21: Optical resonators and coatings
9 Dec 21: Light-atom interaction and Density matrix
15 Dec 21: Optical Bloch Equations (OBEs)
16 Dec 21: Bloch vector ; Rabi spectrosopy, Ramsey spectroscopy, Cs clock
22 Dec 21: Extra Exercises QA session (Zoom)
05 Jan 22: Locking an oscillator to an atomic reference; Lock-In amplifier
06 Jan 22: Atoms in magnetic fields: Zeeman and Paschen-Back effect (PDF from 2019)
12 Jan 22: Laser cooling: Zeeman slower
13 Jan 22: Optical Molasses, Magneto-Optical Trap (MOT)
19 Jan 22: Doppler-broadening
20 Jan 22: Doppler-free spectroscopy ; Optical frequency comb, I suggest you watch the Movie of Hänsch's Nobel lecture!!
26 Jan 22: Intro molecular physics (incl. some things from 27 Jan)
27 Jan 22: Born-Oppenheimer; H2+ ion and LCAO; H2 molecule
02 Feb 22: spectroscopic Notation ; Rotations
03 Feb 22: Vibrations ; Frank-Condon principle
Another Q&A Session on Tuesday 8 Feb., 18 hrs!
Cs-clock: State selection F=3/4: PDF from JPL
Online lectures (YouTube etc.)
Material
Lamb paper and Bethe's calculation
CODATA Report of the Fundamental Constants (see page 8 ff. for the hydrogen theory)
Magnetic moment of the proton 1933 and modern, see also press release
(The article in Science is not easily available. See the previous paper by the Walz group on arxiv)
Laser spectroscopy of muonic hydrogen Nature 2010
H(2S-4P): solution of the proton radius puzzle Science 2017, and Supplement
. This measurement showed the funny "quantum interference" effect,
. predicted here, and first observed in Li spectroscopy
. also see a mathematical description using stuff from Ex5a
H(1S-3S): a completely different way to do laser spectroscopy Science 2020
Nobel lecture T.W.Hänsch: "Passion for precision": Movie
The Nobel-prize winning paper
Exercises
Exercise 1 (solution tutorial can be found in Panopto)
Exercise 2
Exercise 3
Exercise 4
Exercise 5
Exercise 6
Exercise 7
Exercise 8
Exercise 9
Exercise 10
Exercise 11
Exercise 12
Exercise 13
There are 3 exercise groups:
1) Tuesday 12-14, Seminarraum A / digitally via Zoom (since 7 Dec 21) Zoom link
2) Wednesday 10-12, Seminar room E / digitally via Zoom (since 15 Dec 2021) Zoom link
3) Friday 8-10, Newton-Raum Zoom link