UC Berkeley Ultracold Atomic Physics
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Recent Lab News

9/09 Dr. Thomas P. Purdy's Thesis

9/09 Dr. Kater Murch transitions to a postdoc position with Irfan Siddiqi's group at Berkeley.

3/09 Dr. Sabrina Leslie joins Adam Cohen's biophysics group at Harvard University as a Mary Fieser Postdoctoral Fellow.

1/09 Postdoc Dr. Mukund Vengalattore leaves to join the faculty of Cornell University

12/08 Dr. Sabrina Leslie's Thesis

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Overview

Our research is concentrated on using ultracold atoms as a resource for studying aspects of condensed-matter and many-body physics, quantum and precision measurement, quantum optics and quantum atom optics. This research is being pursued in three laboratories and with four main experimental setups. One lab (E2 and E3) employs atomic gases trapped within high-finesse optical resonators to study cavity opto-mechanics and cavity magneto-optics, and, more generally, the limits to and uses of quantum measurement. A second lab (E4) is pursuing applications of atom interferometry with guided atomic matter waves, and also the physics of quantum fluids in annular containers. A third lab (E5) is exploring a novel magnetic fluid -- the degenerate spinor Bose gas -- in which the phenomena of magnetism and superfluidity are intertwined. of We are currently pursuing several projects in this area.

We are constantly on the lookout for excellent students, postdocs, and visitors to join our efforts. Feel free to peruse this website and then to contact us for more information. You may also read through several review papers


Recent Research Highlights

Theory of domain formationAmplification of spin noise
Theory of domain formation in inhomogeneous ferromagnetic dipolar condensatesAmplification of fluctuations in a spinor Bose Einstein condensate
Spontaneous formation of modulated spin textures
Crystalline magnetic order in a dipolar spinor quantum gasSpontaneously modulated spin textures in a dipolar spinor BEC
Strong nonlinearity at cavity photon numbers below unityMeasurement trace of a fluctuation bolometer
Cavity nonlinear optics due to collective atomic motionMeasuring quantum fluctuations of light by the radiation forces on ultracold atoms

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