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Atomic Physics Seminars
Monday, March 16, 2009
Physics Building, Room 204
[Host: Cass Sackett]
"Guided Atom Interferometry with Thermal Atoms"
Recent growth of the atom interferometry field is being driven by the wide array
of its possible applications in precision measurements of the fundamental
physical constants, and for sensing of inertial effects.
Inertial sensing such as rotation was one of the first and one of the most
practically important demonstrated applications for atom interferometers. Many
believe that cold atom-based interferometer for rotational sensing – a device
called a gyroscope – can be both compact and highly sensitive. In my talk, I
review various types of atom interferometers and show that cold thermal atoms
are well suited for atom interferometry. I will also talk about our recent
implementation of a quantum kicked rotor, a system whose classical counterpart
exhibits chaos, in a guided atom interferometer. I will discuss the
applications of our quantum kicked rotor to accurate measurements of
gravitational acceleration and atomic recoil frequency as well as to study a
quantum-classical correspondence principle.
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