Weishi Wan


Weishi Wan    Professor
InstituteSchool of Physical Science and Technology
Research AreaBeam dynamics problems in charged particle accelerators, charged particle optics and thermal hydraulics problems in nuclear reactors
Contact Info.wanwsh@@shanghaitech.edu.cn

Attended Beijing University from Sep. 1983 to Jul. 1987 and received Bachelor’s degree in Physics. Was a graduate student at the Institute of Theoretical Physics of the Academy of Science of China from Sep. 1987 to Sep. 1990. Attended the graduate school of Michigan State University (Department of Physics and Astronomy) from Sep. 1990 to May 1995. Received Master’s degree and Ph. D in physics. Was a post doc at the University of Colorado Boulder from May 1995 to Apr. 1997. Was a post doc at Fermi National Accelerator Laboratory from Apr. 1997 to Aug. 2000. Was a staff scientist at Oak Ridge National Laboratory from Aug. 2000 to Aug. 2001. Was a staff scientist at Lawrence Berkeley National Laboratory from Aug. 2001 to Jul. 2017. Joined the School of Physical Science and Technology at ShanghaiTech University in Jul. 2017 as a professor.

Research Interests
Main problems of research up to now have been motion of charged particle beams in electromagnetic fields, which includes: 1) charged particle optics, including the design of the optics of electron microscopes and aberration correctors. 2) single particle dynamics problems in particle accelerators, including synchrotrons, storage rings and beam transfer lines. 3) photocathode R&D.
Recently, I have become interested in Thorium based molten salt reactors and will try to work on thermal hydraulics related problems in the future.

Selected Publications
1.S. Karkare, J. Feng, X. Chen, W. Wan, F. J. Palomares, T.-C. Chiang, H. A. Padmore,“Reduction of Intrinsic Electron Emittance from Photocathodes Using Ordered Crystalline Surfaces”, Phys. Rev. Lett. 118, 164802 (2017).

2.F. Ji, T. Shi, M. Ye, W. Wan, Z. Liu, J. Wang, T. Xu and S. Qiao,“Multichannel exchange-scattering spin polarimetry”, Phys. Rev. Lett. 116, 177601 (2016).

3.J. Feng, J. Nasiatka, W. Wan, S. Karkare, J. Smedley and H. A. Padmore,“Thermal limit to the intrinsic emittance from metal photocathodes”, Appl. Phys. Lett. 107, 134101 (2015).

4.W. Wan, L. Brower, S. Caspi, S. Prestemon, A. Gerbershagen, J. M. Schippers, D. Robin,“Alternating gradient CCT (AG-CCT) superconducting magnets for a compact large momentum acceptance proton gantry design”, Phys. Rev. ST Accel. Beams 18, 103501 (2015).

5.J. Y. Kim, J. W. Kim and W. Wan,“Design of in-flight fragment separator using high-power primary beams in the energy of a few hundred MeV/u“, Rev. Sci. Instrum. 86, 073302 (2015).

6.J. M. Maxson, I. V. Bazarov, W. Wan, H. A. Padmore and C. E. Coleman-Smith,“Fundamental photoemission brightness limit from disorder induced heating“, New J. Phys. 15, 103024 (2013).

7.R. M. Tromp, J. B. Hannon, A. W. Ellis, W. Wan, A. Berghaus and O. Schaff,“A New Aberration-Corrected, Energy-Filtered LEEM/PEEM Instrument, I Principles and Design“, Ultramicroscopy 110, 852 (2010).

8.D. Xiang and W. Wan,“Generating Ultrashort Coherent Soft X-Ray Radiation in Storage Rings Using Angular-Modulated Electron Beams”, Phys. Rev. Lett. 107, 084803 (2010).

9.D. S. Robin, W. Wan, F. Sannibale and V. P. Suller,“Global analysis of all linear stable settings of a storage ring lattice“, Phys. Rev. ST Accel. Beams 11, 024002 (2008).

10.W. Wan, J. Feng and H. A. Padmore,“A new separator design for aberration corrected photoemission electron microscopes“, Nucl. Instrum. Methods A 560, 558 (2006).

11.W. Wan, J. Feng, H. A. Padmore and D. S. Robin,“Simulation of a mirror corrector for PEEM3“, Nucl. Instrum. Methods A 519, 222 (2004).

12.A. Zholents, M. Zolotorev, and W. Wan,“Optical stochastic cooling of muons“, Phys. Rev. ST Accel. Beams 4, 031001 (2001).

13.W. Wan and J. R. Cary,“Increasing the Dynamic Aperture of Accelerator Lattices“, Phys. Rev. Lett. 81, 3655 (1998).

14.W. Wan and M. Berz,An Analytical Theory for Arbitrary-Order Achromats”, Phys. Rev. E 54, 2870 (1996).


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