"Experimental methods of atomic physics A" - 203-2-5271
Course given by Ron Folman from the atom chip laboratory: www.bgu.ac.il/atomchip
There is no TA or Tirgulim.
This course delivers a fascinating tour of the interface of experimental methods, quantum mechanics and atomic theory. In addition to teaching fundamental concepts in quantum experiments with single atoms, the course explains the basis for several Nobel prizes in the last 20 years, as well as the basis for what is now termed "the second quantum revolution" in which quantum technology is becoming feasible (e.g. ultra precision sensors, clocks, and a completely new type of communication and computing devices).
The course is designed for advanced students, but may also be taken by year 3 undergrads.
Week 1: Preparing a quantum state 1: Isolation through vacuum, building a laser and locking its frequency (absorption spectroscopy, polarization spectroscopy, positive and negative cross over peaks, enhanced absorption) optics and electro optics (EOMs, AOMs).
Week 2-3: Preparing a quantum state 2: Control of external degrees of freedom through trapping (Optical, Magnetic and electric trapping) with AC and DC fields. The Ernshaw theorem, the Hyperfine quantum numbers, meta-stable state, Ioffe-Pritchard field, the Lande factor, the Z trap, trap depth, transition width: the electric vs. the magnetic dipole interaction.
Week 4-5: Preparing a quantum state 3: Control of external degrees of freedom through cooling (Magneto-Optical trap, Sisyphus cooling, evaporative cooling). Angular momentum of a photon, acceleration by light, Helicity vs. lab quantum axis, Doppler and recoil limits.
Week 6: Preparing a quantum state 4: Control of internal degrees of freedom (Hyperfine structure) through Zeeman and Stark shifts and optical pumping (Clebsch-Gordan coefficients).
Week 7-8: Manipulating a quantum state 1: The use of RF, MW and light fields for Rabi and Ramsey oscillations. The Bloch sphere.
Week 9: Manipulating a quantum state 2: Effects of loss (Majorana spin flips), decoherence (dephasing) and thermalization (heating).
Week 10-11: Measurement of a quantum state: Spectroscopy through fluorescent, absorption, dark spot and phase contrast imaging. Complementary methods such as ionization and Stern-Gerlach..
Week 12-13: Experimental sequence: Preparation, manipulation and measurement all in one. Computer, electronics.
Format: 2 hours per week.
Student Duties: Reading of papers as preparation for class discussions,
Exam (based on which the course grade will be given)