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

Physics

Quantum Simulation via All-Optically Generated Tensor Network States 
 
Tue, Sep 11, 2018,   04:30 PM at Seminar Hall 31, 2nd Floor, Main Building

Dr. Ish Dhand
University of Ulm in Germany

Abstract: We devise an all-optical scheme for the generation of entangled multimode photonic states encoded in temporal modes of light. The scheme employs a nonlinear down-conversion process in an optical loop to generate one- and higher-dimensional tensor network states of light. We illustrate the principle with the generation of two different classes of entangled tensor network states and report on a variational algorithm to simulate the ground-state physics of many-body systems. We demonstrate that state-of-the-art optical devices are capable of determining the ground-state properties of the spin-1/2 Heisenberg model. Finally, implementations of the scheme are demonstrated to be robust against realistic losses and mode mismatch.
Ref: arXiv:1710.06103; Phys. Rev. Lett. 120, 130501 (2018)
 

 

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