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Variational generation of spin-squeezed states on programmable quantum simulators

May 15, 2019 - 10:00am
Speaker: 
Christoph R. Kaubrügger
Institution: 
Institute for Quantum Optics and Quantum Information of the Austrian Academy of Science

As the current improvement of precision sensors technology is rapidly approaching the standard quantum limit, it becomes fundamental to reliably generate entangled states useful for quantum metrology, such as spin-squeezed states, on controllable quantum many-body platforms. I will discuss variational techniques between a programmable analog quantum simulator and a classical optimization algorithm by considering a system of strontium atoms, trapped in optical tweezers and interacting via Rydberg-dressing to generate spin squeezed states. The variational state preparation algorithm is able to outperform the known protocols for finite ranged interactions.

Host: Mohammad Hafezi 

PSC 2148
20742