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FACULTY --- Xi Yin

Assistant Professor of Physics

PhD 2006, Harvard

尹希

String theory, being our best hope for a complete description of quantum gravity and a unified theory of everything, also provides a powerful toolbox along the way for solving problems in seemingly very different subjects, such as strongly coupled quantum field theories, conformal field theory, integrable systems, algebraic geometry, hyperbolic geometry, etc. Xi Yin's research interest lies in the fundamental aspects of string theory, and what string theory can teach us about other fields in physics and mathematics. Yin's past works involve black holes [5], supersymmetric bound states in string theory [3,4], conformal field theory and gauge theory in three dimensions [2]. His current research focuses on quantum gravity in low dimensions (e.g. [1]), as well as the holographic duality
between gauge theory and string theory/gravity (a.k.a. AdS/CFT correspondence).


Selected Publications:

• [1] X. Yin, "Partition Functions of Three-Dimensional Pure Gravity", arXiv:0710.2129 [hep-th].
• [2] D. Gaiotto and X. Yin, "Notes on Superconformal Chern-Simons-Matter Theories", JHEP 0708:056, 2007; arXiv:0704.3740 [hep-th].
• [3] D. Gaiotto, A. Strominger and X. Yin, "The M5-Brane Elliptic Genus: Modularity and BPS States", JHEP 0711:004, 2007; arXiv:hep-th/0607010.
• [4] D. Shih, A. Strominger and X. Yin, "Recounting Dyons in N=4 String Theory", JHEP 0610:087, 2006; arXiv:hep-th/0505094.
• [5] D. Gaiotto, A. Strominger and X. Yin, "New Connections Between 4D and 5D Black Holes", JHEP 0602:024, 2006; arXiv: hep-th/0503217.