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INDIAN INSTITUTE OF SCIENCE EDUCATION AND RESEARCH (IISER) PUNE
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Seminars and Colloquia

Physics

Quantum simulation with ultracold atoms in optical lattices 
 
Wed, Apr 18, 2018,   04:30 PM at Physics Seminar Room 31, 2nd Floor, Main Building

Dr. Bodhaditya Santra
University of Hamburg, Germany

Abstract :

Predicting the dynamics of an interacting many-body system is often a challenging task either by an analytical method or by numerical simulation. The way to a faster and more accurate solution was embedded in the vision of Feynman’s quantum computers for universal quantum simulations. Ultracold quantum gases offer unique possibilities to simulate quantum dynamics in a highly controllable and precisely tuneable setup. In this talk, I will present an introduction of the field providing a state-of-the-art picture. Specifically, I will present the results obtained with a rubidium Bose-Einstein condensate loaded in an optical lattice. Using a scanning electron microscope [1], we prepared the initial state and observed “Negative differential conductivity” in an interacting quantum gas [2]. Finally, I will present my future research plan.


[1] B. Santra and H. Ott, J. Phys. B. 48, 122001 (2015)
[2] R. Labouvie, B. Santra, S. Heun, S. Wimberger, H. Ott, Phys. Rev. Lett.
115, 050601 (2015)

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