Coherent quantum states in resonant‐mass gravitational wave detectors. Issue 1 (5th January 2023)

• Record Type: Journal Article
• Authors: Frajuca, Carlos; Selbach, Lucas; da Silva, Douglas Alves; de Sales, Dinalva Aires; Ferrari, Fabricio; Magalhaes, Nadja Simao
• Other Names: Zen Vasconcellos C.A. guestEditor.; Sacahui Reyes J.R. guestEditor.; Hess P.O. guestEditor.; Piccinelli G. guestEditor.; Vargas Magana M. guestEditor.; Gonzalez Felipe R. guestEditor.; Boller Th. guestEditor.; Gullberg S. guestEditor.; Hadjimichef D. guestEditor.
• Is Part Of: Astronomische Nachrichten. Volume 344:Issue 1/2(2023)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2023-01-05
• Subjects: coherent state -- quantum limit -- resonant‐mass gravitational wave detector; Astronomy -- Periodicals; 520.5
• DOI: 10.1002/asna.20220129
• Languages: English
• ISSNs: 0004-6337

Abstract

Abstract: This work describes the importance of quantum coherent states when a resonant‐mass gravitational wave detector absorbs energy from a gravitational wave in an amount very close to the quantum limit. In this case, quantum non‐demolition measurements become essential as well. As the main result, for a coherent‐state signal, the detector behaves as if the signal was a classical one.