Physics Department, University of California at Berkeley,   Berkeley, CA 94720, Phone: (510) 642-1664

Former Researchers at the UC Berkeley Ultralow Temperature Laboratory

Graduate Students
Name Current position Thesis
Dr. Aditya Joshi  Intel. Process Engineer (Hillsboro, OR) Superfluid 4He interferometers: construction and experiments
Dr. Yuki Sato  UC Berkeley Physics. Postdoctoral researcher, Packard group. Experiments using 4He weak links
Dr. Emile Hoskinson  CNRS-CRTBT, Grenoble, France Superfluid 4He weak links
Professor Gary A. Williams Physics Department, University of California, Los Angeles, CA Photographs of Quantized Vortex Lines in Rotating Superfluid Helium.
Dr. Keith DeConde Industrial consultant. Critical Velocities and ion-trapping lifetimes of vortex lines in rotating superfluid Helium
Professor James Eisenstein Physics Department, California Institute of Technology, Pasadena, CA Flow properties of liquid 3He below 5mK.
Dr. Greg Swift Director, Thermoacoustics group, Los Alamos National Laboratory Determination of the dielectric anisotropy in superfluid 3He-A.
Dr. Ken Daly TRW, 1 Space Park, Redondo Beach CA A study of the magnetic field dependence of fourth sound in superfluid 3He.
Professor James Davis Physics Department, Cornell University Superfluid  3He in restricted geometries.

Graduate Students
Dr. John Close Humbolt Fellow, Germany Determination of Quantized Circulation in superfluid  3He.
Professor Rena Zieve Physics Department, University of California, Davis, CA A study of  3He dynamics using a vibrating wire probe: circulation, vortex precession, depairing and textural dissipation.
Dr. Ajay Amar Physics Department, University of Maryland.  Experiment on phase slippage and critical velocities in superfluid 4He.
Dr. Jeffrey Steinhauer Indigo Corporation, Tel Aviv, Israel. The determination of both the energy barrier for vortex creation in superfluid 4He, and the current-pressure relation for a superfluid 3He weak link.
Dr. Keith Schwab Associate Professor of Physics, Cornell University. Experiments with superfluid oscillators: design and microfabrication of a superfluid gyroscope; modulation of a 4He rf SQUID analog by the Earth's rotation: vortex nucleation in superfluid 4He.   
Dr. Ray Simmonds Physicist, NIST, Boulder, Colorado.  Josephson Weak Links and Quantum Interference in Superfluid 3He

Graduate Students
Dr. Niels Bruckner

Dr. Scott Backhaus Reines Fellow at Los Alamos National Laboratory.  Search for acoustic Josephson radiation in superfluid 4He
Dr. Alex Loshak Advanced Detector Group, Lawrence Livermore National Laboratory, Livermore, California.   Development of and experiments with superfluid 3He weak-links

Post-doctoral students Name Current position Research topic
Dr. Konstantin Penanen
Jet Propulsion Laboratory, Pasadena, CA Effect of 3He on Third Sound Attenuation in Thick 4He Films
Dr. Tom Haard
U.S. Department of Energy, Washington, DC
3He and 4He weak links, NMR thermometer
Dr. Alex Marchenkov  Assistant Professor, Georgia Institute of Technology, Atlanta, Georgia 3He weak links, ballistic effusion of normal 3He through nanopores
Dr. Yury Mukharsky CEA-DRECAM, SPEC, Centre d'Études de Saclay, 91191 Gif-sur-Yvette, CEDEX, France 3He weak links, phase-slippage/vortices in 4He 

Name Work/Current coordinates
Yuki Sato
Graduate Student, UC Berkeley Physics
Ray Simmonds
Physicist, NIST, Boulder, CO
LiHong Herman
Graduate Student, Cornell University, Applied Physics
Mathew Abreu

David Siegel
Graduate Student, UC Berkeley Physics
John Abraham
Graduate Student, UC Los Angeles Physics
John Elzey CO2 cryogenic capture project, University of Oregon

Comments and questions to Richard Packard This page was updated May 2013