SAMOP 2021 – wissenschaftliches Programm
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SYAW: Awards Symposium
SYAW 1: Awards Symposium
SYAW 1.2: Preisträgervortrag
Mittwoch, 22. September 2021, 14:15–15:00, Audimax
Capitalizing on Schrödinger — •Wolfgang P. Schleich — Institut für Quantenphysik and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany — Institute of Quantum Technologies, German Aerospace Center (DLR), Söflinger Strasse 100, D-89077 Ulm, Germany — Hagler Institute for Advanced Study and Department of Physics and Astronomy, Institute for Quantum Science and Engineering (IQSE), Texas A&M AgriLife Research, Texas A&M University, College Station, Texas 77843-4242, USA — Laureate of the Herbert Walther Award 2021
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.