School of Humanities and Sciences
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Professor of Physics and Director, Stanford Institute for Theoretical Physics
Current Research and Scholarly InterestsMy current research is focused in three directions:
— Mathematical aspects of string theory (with a focus on BPS state counts, black holes, and moonshine)
— Quantum field theory approaches to condensed matter physics (with a focus on physics of non-Fermi liquids)
— Theoretical biology, with a focus on evolution and ecology
Professor of Physics and, by courtesy, of Mathematics
BioWhat is the mathematical structure of supergravity/string theory and its relation to cosmology?
Professor Kallosh works on the general structure of supergravity and string theory and their applications to cosmology. Her main interests are related to the models early universe inflation and dark energy in string theory. She develops string theory models explaining the origin of the universe and its current acceleration. With her collaborators, she has recently constructed de Sitter supergravity, which is most suitable for studies of inflation and dark energy and spontaneously broken supersymmetry.
She is analyzing possible consequences of the expected new data from the Large Hadron Collider (LHC) and the results of current and future cosmological observations, including Planck satellite CMB data. These results may affect the relationship between superstring theory and supergravity, and the real world. Professor Kallosh works, in particular, on future tests of string theory by CMB data and effective supergravity models with flexible amplitude of gravitational waves produced during inflation.
Research Asst - Graduate, Physics
BioAlways on the lookout for interesting and challenging problems to solve. Right now I'm working on applying Neural Netowrks to perform detection and separation of overlapping galaxies that will be seen through the gigantic Large Synoptic Survey Telescope, which includes simulating realistic galaxy overlaps. I also care about systematic biases plaguing the Weak Lensing measuremnts by LSST, particularly those from spatially dependent galaxy colors a.k.a "color gradients".
Theodore and Sydney Rosenberg Professor of Applied Physics and Professor of Physics
BioAharon Kapitulnik is the Theodore and Sydney Rosenberg Professor in Applied Physics at the Departments of Applied Physics and Physics at Stanford University. His research focuses on experimental condensed matter physics, while opportunistically, also apply his methods to tabletop experimental studies of fundamental phenomena in physics. His recent studies cover a broad spectrum of phenomena associated with the behavior of correlated and disordered electron systems, particularly in reduced dimensions, and the development of effective instrumentation to detect subtle signatures of physical phenomena.
Among other recognitions, his activities earned him the Alfred P. Sloan Fellowship (1986-90), a Presidential Young Investigator Award (1987-92), a Sackler Scholar at Tel-Aviv University (2006), the Heike Kamerlingh Onnes Prize for Superconductivity Experiment (2009), a RTRA (Le Triangle de la Physique) Senior Chair (2010), and the Oliver Buckley Condensed Matter Prize of the American Physical Society (2015). Aharon Kapitulnik is a Fellow of the American Physical Society, a Fellow of the American Academy of Arts and Sciences, and a member of the National Academy of Sciences. Kapitulnik holds a Ph.D. in Physics from Tel-Aviv University (1983).