Creating and Interpreting the Nonlocality of a Schrodinger-Cat State
Prof. Margaret Reid
Centre for Quantum and Optical Science, Swinburne University of Technology
First, I summarise three different types of nonlocality in quantum mechanics. Historically, the Einstein-Podolsky-Rosen (EPR) paradox motivated tests of Bell and EPR-steering nonlocalities. I then analyze these nonlocalities for several "Schrodinger cat" prototype states including superpositions of coherent states, NOON states and GHZ states. In this way, one can develop rigorous signatures for a Schrodinger cat-state, and gain insight into the interpretation of the macroscopic pointer of a measurement apparatus. I also discuss some applications of nonlocality to quantum technology and how to create and test for these nonlocalities at a mesoscopic level in opto-mechanical and cold atom BEC experiments.
Back to 2016 programme