Perspectives of measuring gravitational effects of laser light and particle beams

verfasst von: Felix Spengler, Dennis Rätzel, Daniel Braun
Abstract: We study possibilities of creation and detection of oscillating gravitational fields from lab-scale high energy, relativistic sources. The sources considered are high energy laser beams in an optical cavity and the ultra-relativistic proton bunches circulating in the beam of the large hadron collider (LHC) at CERN. These sources allow for signal frequencies much higher and far narrower in bandwidth than what most celestial sources produce. In addition, by modulating the beams, one can adjust the source frequency over a very broad range, from Hz to GHz. The gravitational field of these sources and responses of a variety of detectors are analyzed. We optimize a mechanical oscillator such as a pendulum or torsion balance as detector and find parameter regimes such that-combined with the planned high-luminosity upgrade of the LHC as a source-a signal-to-noise ratio substantially larger than 1 should be achievable at least in principle, neglecting all sources of technical noise. This opens new perspectives of studying general relativistic effects and possibly quantum-gravitational effects with ultra-relativistic, well-controlled terrestrial sources.
Externe Organisation(en): Zentrum für angewandte Raumfahrttechnologie und Mikrogravitation (ZARM)
Eberhard Karls Universität Tübingen
Humboldt-Universität zu Berlin
Typ: Artikel
Journal: New journal of physics
Band: 24
Anzahl der Seiten: 1
ISSN: 1367-2630
Publikationsdatum: 10.05.2022
Publikationsstatus: Veröffentlicht
Peer-reviewed: Ja
ASJC Scopus Sachgebiete: Physik und Astronomie (insg.)
Elektronische Version(en): https://doi.org/10.1088/1367-2630/ac5372 (Zugang: Offen)

BibTeX

@article{694386742f53424ea5e28c709fef6e31,
title = "Perspectives of measuring gravitational effects of laser light and particle beams",
abstract = "We study possibilities of creation and detection of oscillating gravitational fields from lab-scale high energy, relativistic sources. The sources considered are high energy laser beams in an optical cavity and the ultra-relativistic proton bunches circulating in the beam of the large hadron collider (LHC) at CERN. These sources allow for signal frequencies much higher and far narrower in bandwidth than what most celestial sources produce. In addition, by modulating the beams, one can adjust the source frequency over a very broad range, from Hz to GHz. The gravitational field of these sources and responses of a variety of detectors are analyzed. We optimize a mechanical oscillator such as a pendulum or torsion balance as detector and find parameter regimes such that-combined with the planned high-luminosity upgrade of the LHC as a source-a signal-to-noise ratio substantially larger than 1 should be achievable at least in principle, neglecting all sources of technical noise. This opens new perspectives of studying general relativistic effects and possibly quantum-gravitational effects with ultra-relativistic, well-controlled terrestrial sources.",
keywords = "gravitational nearfield, laboratory studies of gravity, laser pulse, LHC, linearized gravity, optomechanics, resonant mass detector",
author = "Felix Spengler and Dennis R{\"a}tzel and Daniel Braun",
note = "Funding information: We thank Daniel Est{\`e}ve for discussion, correspondence and references, and for proposing the idea to look at pulses in a cavity; Werner Vogelsang for a discussion on particle accelerator beams, Nobuyuki Matsumoto and Eddy Collin for correspondence. DR acknowledges funding by the Marie Sk?odowska-Curie Action IF program—Project-Name {\textquoteleft}Phononic Quantum Sensors for Gravity” (PhoQuS-G)—Grant Number 832250. We acknowledge support by Open Access Publishing Fund of University of T{\"u}bingen.",
year = "2022",
month = may,
day = "10",
doi = "10.1088/1367-2630/ac5372",
language = "English",
volume = "24",
journal = "New journal of physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd.",
number = "5",
}