How does a quantum object gravitate?

Presentation of Prof. Dr. Markus Aspelmeyer, University of Wien, within the Physical Colloquia
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Types of event
Physikalisches Kolloquium
Venue
ABBEANUM
Fröbelstieg 1, Hörsaal 1
07743 Jena
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Physikalisch-Astronomische Fakultät
Language of the event
English
Wheelchair access
Yes
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Yes

Prof. Dr. Markus Aspelmeyer, University of Wien

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Prof. Dr. Markus Aspelmeyer
Universität Wien

How does a quantum object gravitate?

No experiment today provides evidence that gravity requires a quantum description. The growing ability to achieve quantum optical control over massive solid-state objects may change that situation -- by enabling experiments that directly probe the phenomenology of quantum states of gravitational source masses. This can lead to experimental outcomes that are inconsistent with the predictions of a purely classical field theory of gravity. Such 'Quantum Cavendish' experiments will rely on delocalized motional quantum states of sufficiently massive objects and gravity experiments on the micrometer scale. I review the current status in the lab and the challenges to be overcome for future experiments.


live stream of the colloquium: https://online.mmz.uni-jena.de/beta/livestream/?hsid=2251_hsabb1External link

Overview over all colloquia in winter term 2024/25