Atom Interferometry in the Presence of an External Test Mass
Abstract
The influence of an external test mass on the phase of the signal of an atom interferometer is studied theoretically. Using traditional techniques in atom optics based on the density matrix equations in the Wigner representation, we are able to extract the various contributions to the phase of the signal associated with the classical motion of the atoms, the quantum correction to this motion resulting from atomic recoil that is produced when the atoms interact with Raman field pulses and quantum corrections to the atomic motion that occur in the time between the Raman field pulses. Thus, by increasing the effective wave vector associated with the Raman field pulses using modified field parameters, we can increase the sensitivity of the signal to the point where such quantum corrections can be measured. Furthermore, the expressions that are derived can be evaluated numerically to isolate the contribution to the signal from an external test mass. The regions of validity of the exact and approximate expressions are determined.
- Authors:
-
- 1849 S. Ocean Dr, Hallandale, FL (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Physics Division
- Univ. of Michigan, Ann Arbor, MI (United States). Physics Dept.
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1376008
- Report Number(s):
- LLNL-JRNL-680526
Journal ID: ISSN 2218-2004; ATOMC5; PII: atoms4020014
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Atoms
- Additional Journal Information:
- Journal Volume: 4; Journal Issue: 2; Journal ID: ISSN 2218-2004
- Publisher:
- MDPI
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 42 ENGINEERING; atom interferometry; inhomogeneous gravitational fields; test mass; quantum phase corrections
Citation Formats
Dubetsky, Boris, Libby, Stephen, and Berman, Paul. Atom Interferometry in the Presence of an External Test Mass. United States: N. p., 2016.
Web. doi:10.3390/atoms4020014.
Dubetsky, Boris, Libby, Stephen, & Berman, Paul. Atom Interferometry in the Presence of an External Test Mass. United States. https://doi.org/10.3390/atoms4020014
Dubetsky, Boris, Libby, Stephen, and Berman, Paul. Thu .
"Atom Interferometry in the Presence of an External Test Mass". United States. https://doi.org/10.3390/atoms4020014. https://www.osti.gov/servlets/purl/1376008.
@article{osti_1376008,
title = {Atom Interferometry in the Presence of an External Test Mass},
author = {Dubetsky, Boris and Libby, Stephen and Berman, Paul},
abstractNote = {The influence of an external test mass on the phase of the signal of an atom interferometer is studied theoretically. Using traditional techniques in atom optics based on the density matrix equations in the Wigner representation, we are able to extract the various contributions to the phase of the signal associated with the classical motion of the atoms, the quantum correction to this motion resulting from atomic recoil that is produced when the atoms interact with Raman field pulses and quantum corrections to the atomic motion that occur in the time between the Raman field pulses. Thus, by increasing the effective wave vector associated with the Raman field pulses using modified field parameters, we can increase the sensitivity of the signal to the point where such quantum corrections can be measured. Furthermore, the expressions that are derived can be evaluated numerically to isolate the contribution to the signal from an external test mass. The regions of validity of the exact and approximate expressions are determined.},
doi = {10.3390/atoms4020014},
journal = {Atoms},
number = 2,
volume = 4,
place = {United States},
year = {Thu Apr 21 00:00:00 EDT 2016},
month = {Thu Apr 21 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
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