The Holometer: An instrument to probe Planckian quantum geometry
Abstract
This paper describes the Fermilab Holometer, an instrument for measuring correlations of position variations over a four-dimensional volume of space-time. The apparatus consists of two co-located, but independent and isolated, 40 m power-recycled Michelson interferometers, whose outputs are cross-correlated to 25 MHz. The data are sensitive to correlations of differential position across the apparatus over a broad band of frequencies up to and exceeding the inverse light crossing time, 7.6 MHz. A noise model constrained by diagnostic and environmental data distinguishes among physical origins of measured correlations, and is used to verify shot-noise-limited performance. These features allow searches for exotic quantum correlations that depart from classical trajectories at spacelike separations, with a strain noise power spectral density sensitivity smaller than the Planck time. As a result, the Holometer in current and future configurations is projected to provide precision tests of a wide class of models of quantum geometry at the Planck scale, beyond those already constrained by currently operating gravitational wave observatories.
- Authors:
-
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Univ. of Michigan, Ann Arbor, MI (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, Chicago, IL (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, Chicago, IL (United States); Vanderbilt Univ., Nashville, TN (United States)
- Korea Advanced Institute of Science and Technology, Daejeon (South Korea)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Univ. of Chicago, Chicago, IL (United States)
- Univ. of Michigan, Ann Arbor, MI (United States); Univ. of Chicago, Chicago, IL (United States)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- Holometer
- OSTI Identifier:
- 1350516
- Report Number(s):
- FERMILAB-PUB-16-528; arXiv:1611.08265
Journal ID: ISSN 0264-9381; 1500264; TRN: US1700668
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Classical and Quantum Gravity
- Additional Journal Information:
- Journal Volume: 34; Journal Issue: 6; Journal ID: ISSN 0264-9381
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; interferometry; laser interferometers; spectral responses; spectral coherence
Citation Formats
Chou, Aaron, Glass, Henry, Gustafson, H. Richard, Hogan, Craig, Kamai, Brittany L., Kwon, Ohkyung, Lanza, Robert, McCuller, Lee, Meyer, Stephan S., Richardson, Jonathan, Stoughton, Chris, Tomlin, Ray, and Weiss, Rainer. The Holometer: An instrument to probe Planckian quantum geometry. United States: N. p., 2017.
Web. doi:10.1088/1361-6382/aa5e5c.
Chou, Aaron, Glass, Henry, Gustafson, H. Richard, Hogan, Craig, Kamai, Brittany L., Kwon, Ohkyung, Lanza, Robert, McCuller, Lee, Meyer, Stephan S., Richardson, Jonathan, Stoughton, Chris, Tomlin, Ray, & Weiss, Rainer. The Holometer: An instrument to probe Planckian quantum geometry. United States. https://doi.org/10.1088/1361-6382/aa5e5c
Chou, Aaron, Glass, Henry, Gustafson, H. Richard, Hogan, Craig, Kamai, Brittany L., Kwon, Ohkyung, Lanza, Robert, McCuller, Lee, Meyer, Stephan S., Richardson, Jonathan, Stoughton, Chris, Tomlin, Ray, and Weiss, Rainer. Tue .
"The Holometer: An instrument to probe Planckian quantum geometry". United States. https://doi.org/10.1088/1361-6382/aa5e5c. https://www.osti.gov/servlets/purl/1350516.
@article{osti_1350516,
title = {The Holometer: An instrument to probe Planckian quantum geometry},
author = {Chou, Aaron and Glass, Henry and Gustafson, H. Richard and Hogan, Craig and Kamai, Brittany L. and Kwon, Ohkyung and Lanza, Robert and McCuller, Lee and Meyer, Stephan S. and Richardson, Jonathan and Stoughton, Chris and Tomlin, Ray and Weiss, Rainer},
abstractNote = {This paper describes the Fermilab Holometer, an instrument for measuring correlations of position variations over a four-dimensional volume of space-time. The apparatus consists of two co-located, but independent and isolated, 40 m power-recycled Michelson interferometers, whose outputs are cross-correlated to 25 MHz. The data are sensitive to correlations of differential position across the apparatus over a broad band of frequencies up to and exceeding the inverse light crossing time, 7.6 MHz. A noise model constrained by diagnostic and environmental data distinguishes among physical origins of measured correlations, and is used to verify shot-noise-limited performance. These features allow searches for exotic quantum correlations that depart from classical trajectories at spacelike separations, with a strain noise power spectral density sensitivity smaller than the Planck time. As a result, the Holometer in current and future configurations is projected to provide precision tests of a wide class of models of quantum geometry at the Planck scale, beyond those already constrained by currently operating gravitational wave observatories.},
doi = {10.1088/1361-6382/aa5e5c},
journal = {Classical and Quantum Gravity},
number = 6,
volume = 34,
place = {United States},
year = {Tue Feb 28 00:00:00 EST 2017},
month = {Tue Feb 28 00:00:00 EST 2017}
}
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