Record link: 
http://hdl.handle.net/20.500.12708/154191
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Title: 
Bose-Einstein condensate modeling for circular analogue Unruh effect
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Citation: 
Erne, S. (2022, July 14). Bose-Einstein condensate modeling for circular analogue Unruh effect [Keynote Presentation]. Measuring Temperatures and Harvesting with Unruh Detectors in the Lab, Nottingham, United Kingdom of Great Britain and Northern Ireland (the).
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Publication Type: 
Presentation - Keynote Presentation
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Language: 
English
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Authors: 
Erne, Sebastian 
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Organisational Unit: 
E141-02 - Forschungsbereich Atom Physics and Quantum Optics 
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Date (published): 
14-Jul-2022
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Event name: 
Measuring Temperatures and Harvesting with Unruh Detectors in the Lab 
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Event date: 
14-Jul-2022
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Event place: 
Nottingham, United Kingdom of Great Britain and Northern Ireland (the)
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Keywords: 
cold atoms; Quantum Field Theory; light-matter interactions
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Abstract: 
I will present a proposal for an interferometric scheme to observe an analogue of the circular Unruh effect using a localized laser coupled to a Bose-Einstein condensate (BEC). Quantum fluctuations in the condensate are governed by an effective relativistic field theory, and as demonstrated, the coupled laser field acts as an effective Unruh-DeWitt detector thereof. The effective speed of light is lowered by 12 orders of magnitude to the sound velocity in the BEC. For detectors traveling close to the sound speed, observation of the Unruh effect in the analogue system becomes experimentally feasible.
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Project title: 
Analog Quantum Simulators: ESQ Discovery Schmiedmayer Huber (Österr. Akademie der Wissenschaften) 
Marie Sklodowska-Curie Cofunding of the fellow ship programme of the ESQ (Erwin Schrödinger Quantum Science Programme at the ÖAW: 801110 — ESQ (Österr. Akademie der Wissenschaften) 
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Research Areas: 
Quantum Many-body Systems Physics: 50%
Quantum Metrology and Precision Measurements: 20%
Design and Engineering of Quantum Systems: 30%
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Science Branch: 
1030 - Physik, Astronomie: 100%
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