Classical Pendulum Feels Quantum Back-Action (Paperback, Softcover reprint of the original 1st ed. 2016)

In this thesis, ultimate sensitive measurement for weak force imposed on a suspended mirror is performed with the help of a laser and an optical cavity for the development of gravitational-wave detectors. According to the Heisenberg uncertainty principle, such measurements are subject to a fundamental noise called quantum noise, which arises from the quantum nature of a probe (light) and a measured object (mirror). One of the sources of quantum noise is the quantum back-action, which arises from the vacuum fluctuation of the light. It sways the mirror via the momentum transferred to the mirror upon its reflection for the measurement. The author discusses a fundamental trade-off between sensitivity and stability in the macroscopic system, and suggests using a triangular cavity that can avoid this trade-off. The development of an optical triangular cavity is described and its characterization of the optomechanical effect in the triangular cavity is demonstrated. As a result, for the first time in the world the quantum back-action imposed on the 5-mg suspended mirror is significantly evaluated. This work contributes to overcoming the standard quantum limit in the future.

General

Imprint:	Springer Verlag,Japan
Country of origin:	Japan
Series:	Springer Theses
Release date:	March 2019
First published:	2016
Authors:	Nobuyuki Matsumoto
Dimensions:	235 x 155mm (L x W)
Format:	Paperback
Pages:	103
Edition:	Softcover reprint of the original 1st ed. 2016
ISBN-13:	978-4-431-56720-2
Categories:	Books > Science & Mathematics > Astronomy, space & time > General Books > Science & Mathematics > Physics > Optics (light) Books > Science & Mathematics > Physics > States of matter > Low temperature physics Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics) > General Books > Science & Mathematics > Physics > Applied physics & special topics > Astrophysics
LSN:	4-431-56720-8
Barcode:	9784431567202

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