Macroscopic Tests of Quantum Mechanics

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• Adam Bene Watts, MIT
• Friday 30 October 2020, 11:20-12:20
• Virtually, at Zoom.

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How precise do measurements need to be to detect quantum mechanical effects? In this talk I will describe a device-independent protocol which tests for entanglement in a macroscopic system using only measurements with macroscopic precision. The test involves measurements of the covariance between macroscopic measurements and assumes independence between the microscopic subsystems making up each macroscopic system. As such, it cannot be used to disprove local hidden variable theories, but can be used to certify nonclassical correlations under reasonable experimental assumptions. Time permitting, I will also describe some possible experimental implementations. This talk is based off of joint work with Aram Harrow and Nicole Yunger Halpern.

References

1) https://arxiv.org/abs/1911.09122

Zoom Link

Please click the link below to join the webinar: https://us02web.zoom.us/j/86846521451?pwd=M0VUSE5wTEJwSndCbEx0VUtqNHpuZz09 Passcode: 226745

This talk is part of the Cavendish Quantum Information Seminar Series series.

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