TY - BOOK ID - 64905691 TI - Broadband Measurement and Reduction of Quantum Radiation Pressure Noise in the Audio Band PY - 2020 SN - 3030450317 3030450309 PB - Cham : Springer International Publishing : Imprint: Springer, DB - UniCat KW - Gravitation. KW - Quantum optics. KW - Astrophysics. KW - Classical and Quantum Gravitation, Relativity Theory. KW - Quantum Optics. KW - Astrophysics and Astroparticles. KW - Astronomical physics KW - Astronomy KW - Cosmic physics KW - Physics KW - Optics KW - Photons KW - Quantum theory KW - Field theory (Physics) KW - Matter KW - Antigravity KW - Centrifugal force KW - Relativity (Physics) KW - Properties KW - Quantum interference. KW - Interferometers. KW - Gravitational waves. KW - Gravitational radiation KW - Gravity waves (Astrophysics) KW - General relativity (Physics) KW - Gravitational fields KW - Radiation KW - Waves KW - Interferometer KW - Optical instruments KW - Interference, Quantum UR - https://www.unicat.be/uniCat?func=search&query=sysid:64905691 AB - This book presents a direct measurement of quantum back action, or radiation pressure noise, on a macroscopic object at room temperature across a broad bandwidth in the audio range. This noise source was predicted to be a limitation for gravitational wave interferometers in the 1980s, but it has evaded direct characterization in the gravitational wave community due to the inherent difficult of reducing thermal fluctuations below the quantum back action level. This back action noise is a potential limitation in Advanced LIGO and Advanced Virgo, and Cripe’s experiment has provided a platform for the demonstration of quantum measurement techniques that will allow quantum radiation pressure noise to be reduced in these detectors. The experimental techniques Cripe developed for this purpose are also applicable to any continuous measurement operating near the quantum limit, and could lead to the possibility of observing non-classical behavior of macroscopic objects. . ER -