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Pappalardo Fellow in Physics: 2008-11
Name: Yusuke Nishida
Title(s): Pappalardo Fellow in Physics: 2008-11
Phone: (617) 253-4823
Massachusetts Institute of Technology
77 Massachusetts Avenue, Bldg. 6C-409
Cambridge, MA 02139
Area of Physics:
Nuclear & Particle Theory
Yusuke Nishida's research interests lie in a broad range of many-body problems, including QCD with finite temperature and density, Bose-Einstein condensation and the BCS-BEC crossover in cold atoms.
One direction of Nishida's research is focused on fermions at infinite scattering length, which have been experimentally achieved by tuning the interaction between atoms via the magnetic field-induced Feshbach resonance. The limit of infinite scattering length corresponds to the strong coupling limit where usual perturbative expansions break down and theoretical treatment has been difficult. Nishida is working to understand the properties of fermions at infinite scattering length using epsilon expansions around two and four spatial dimensions and conformal field theories.
Nishida is also interested in applying techniques and ideas developed in high energy physics to condensed matter physics and vice versa.
Nishida received his Ph.D. in the spring of 2007 from the University of Tokyo under the supervision of Tetsuo Hatsuda. He earned his M.Sc. in 2004 on the study of the phase diagram of QCD at finite temperature and density. During his Ph.D. studies, he visited the Institute for Nuclear Theory at the University of Washington in the fall of 2005 to collaborate with Dam Thanh Son on problems of fermions at infinite scattering length. After graduation, he worked as a postdoctoral research associate at the Institute for Nuclear Theory. In the fall of 2008, he arrived at MIT to begin his Pappalardo Fellowship in Physics.
- Y. Nishida and D. T. Son, "Epsilon expansion for a Fermi gas at infinite scattering," Phys. Rev. Lett. 97, 050403 (2006) [arXiv:cond-mat/0604500].
- Y. Nishida and D. T. Son, "Nonrelativistic conformal field theories," Phys. Rev. D 76, 086004 (2007) [arXiv:0706.3746].