Quantum Seminar: Capitalizing on Schrödinger

Prof. Wolfgang Schleich - Institut for Quantenphysik and Center for Integrated Quantum Science and Technology (IQST), Ulm University, Germany

02 November 2021, 16:00 
Zoom: https://tau-ac-il.zoom.us/j/88635444856 
Quantum Seminar

Zoom: https://tau-ac-il.zoom.us/j/88635444856



The superposition principle is a cornerstone of quantum mechanics and results from the linearity of the Schrödinger equation. In this talk we motivate the non-linear wave equation of classical statistical mechanics as well as the linear Schrödinger equation of quantum mechanics from a mathematical identity. Moreover, the linearity is crucial for the use of matter wave interferometers as sensors for rotation and acceleration. We show that the phase in a Kasevich-Chu atom interferometer measures the commutator of two unitary time evolutions and thus the acceleration. In addition, we report the observation of the Kennard phase using water waves and the realization of a Kennard interferometer with a scaling superior to the Kasevich-Chu interferometer. 





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