The Sciences

Doctor Sarkar

Cosmic VarianceBy Daniel HolzMay 11, 2009 12:43 PM

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It has become somewhat of a tradition here at CV to announce our newly-minted PhDs. It is thus with great pleasure that I congratulate Devdeep Sarkar on having earned his degree in Physics from the University of California, Irvine, co-advised by Asantha Cooray and myself. Devdeep has worked very hard over the past few years, producing a total of 7 papers: A. G. Riess et al.; Astrophys. J. (2009; in press) A Redetermination of the Hubble Constant with the Hubble Space Telescope from a Differential Distance Ladder D. Sarkar et al.; Astrophys. J. Lett. 684 L13 (2008) Implications of Two Type Ia Supernova Populations for Cosmological Measurements A. Cooray, D. Sarkar, and P. Serra; Phys. Rev. D 77 123006 (2008) Weak Lensing of the Primary CMB Bispectrum D. Sarkar et al.; Phys. Rev. D 77 103515 (2008) Cosmic Shear from Scalar-Induced Gravitational Waves D. Sarkar et al.; Astrophys. J. 678 1 (2008) Lensing and Supernovae: Quantifying the Bias on Dark Energy Equation of State D. Sarkar et al.; Phys. Rev. Lett. 100 241302 (2008) Beyond Two Dark Energy Parameters D. Sarkar, H. Feldman, and R. Watkins; Mon. Not. R. Astron. Soc. 375 691 (2007) Bulk flows from velocity field surveys: A Consistency Check Much of Devdeep's work has focused on gravitational lensing (of CMB and of supernovae), as well as a better way to analyze data to constrain dark energy (in redshift bins, instead of using arbitrary, poorly-motivated parameterizations). Next month Devdeep is fortunate to be starting a postdoc with Dragan Huterer at the MCTP at Michigan. Congratulations to Dr. Sarkar on a well-earned piece of parchment!

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