Postdoctoral Associate
F8 Clark Hall
School of Applied & Engineering Physics
Cornell University
Ithaca, NY 14853
Ph: 607-255-8034
Email Dr. Xu
Education
Ph.D., 2004, University of Maryland, College Park, MD
Thesis, “Quantum phenomena in Josephson junction circuits and their use as qubits”
M.S. in Physics, City College of New York, NY, NY (June 2000)
B.S. Cum Laude in Applied Physics (major)/Computer
Science (minor), Fudan University, Shanghai, China (July 1997)
Awards and Honors
Research Fellowship from the Graduate School of the University of Maryland
(2000-2002)
Publications
1. Dutta S. K., Xu H., Berkley A. J., Ramos, R. C., Gubrud M. A., Anderson J. R., Lobb C.
J. and Wellstood F. C., “Determination of relaxation time of a Josephson junction qubit,”
in preparation.
2. Xu H., Berkley A. J., Gubrud M. A., Ramos R. C., Anderson J. R., Lobb C. J. and
Wellstood F. C., “Spectroscopic resonance broadening in a Josephson junction qubit due
to current noise,” in preparation.
3. Berkley A. J., Xu H., Ramos R. C., Gubrud M. A., Strauch F. W., Johnson P. R.,
Anderson J. R., Dragt A. J., Lobb C. J. and Wellstood F. C., “Entangled macroscopic
quantum states in two superconducting qubits,” Science, vol. 300, pp. 1548-1550, 2003.
4. Xu H., Berkley A. J., Gubrud M. A., Ramos R. C., Anderson J. R., Lobb C. J. and
Wellstood F. C., “Analysis of energy level quantization and tunneling from the zerovoltage
state of a current-biased Josephson junction,” IEEE Trans. on Appl. Supercond.,
vol.13, pp. 956-959, 2003.
5. Berkley A. J., Xu H., Gubrud M. A., Ramos R. C., Anderson J. R., Lobb C. J. and
Wellstood F. C., “Characterization of an LC-isolated Josephson junction qubit,” IEEE
Trans. on Appl. Supercond., vol. 13, pp. 952-955, 2003.
6. Berkley A. J., Xu H., Gubrud M. A., Ramos R. C., Anderson J. R., Lobb C. J. and
Wellstood F. C., “Decoherence in a Josephson-junction qubit,” Phys. Rev. B, vol. 68, Art.
No. 060502, 2003.
7. Xu H. Z., Zhou Z. Y., Zhang C., Zhao G. Q. and Shi L. Q., “Excitation function and
angular distribution for the N-14(alpha,p)O-17 reaction,” Nucl. Instr. & Meth. B, vol.149,
pp. 390-394, 1999.
8. Xu H. Z., Long D. S., Wang Y. S., Zhao G. Q., Peng S. M., Zhao P. J. and Xu Z. L.,
“Energy properties of single helium atom in metals by effective-medium theory,” Chin.
Phys. Lett., vol. 15, pp. 713-714, 1998.
Presentations
1. Xu H., Berkley A. J., Ramos R. C., Gubrud M. A., Anderson J. R., Lobb C. J. and
Wellstood F. C., “Effect of current noise on resonant activation in the Josephson junction
qubit,” March Meeting Bulletin, pp. 450, March, 2003.
2. Xu H., Berkley A. J., Gubrud M. A., Ramos R. C., Anderson J. R., Lobb C. J. and
Wellstood F. C., “The current-biased Josephson junction qubit,” Applied
Superconductivity Conference Abstracts, pp. 54, August, 2002.
3. Xu H., Berkley A. J., Gubrud M. A., Ramos R. C., Anderson J. R., Lobb C. J. and
Wellstood F. C., “Quantum kinetics of the zero-voltage state of a current-biased
Josephson junction,” March Meeting Bulletin, pp. 778, March, 2002.
Last
update:
May 17, 2005