Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

127 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
Optical-Clock-Based Time Scale.
Yao J, Sherman JA, Fortier T, Leopardi H, Parker T, McGrew W, Zhang X, Nicolodi D, Fasano R, Schäffer S, Beloy K, Savory J, Romisch S, Oates C, Diddams S, Ludlow A, Levine J. Yao J, et al. Among authors: mcgrew w. Phys Rev Appl. 2019;12(4):https://doi.org/10.1103/physrevapplied.12.044069. Phys Rev Appl. 2019. PMID: 33102625 Free PMC article.
Hyperpolarizability and Operational Magic Wavelength in an Optical Lattice Clock.
Brown RC, Phillips NB, Beloy K, McGrew WF, Schioppo M, Fasano RJ, Milani G, Zhang X, Hinkley N, Leopardi H, Yoon TH, Nicolodi D, Fortier TM, Ludlow AD. Brown RC, et al. Among authors: mcgrew wf. Phys Rev Lett. 2017 Dec 22;119(25):253001. doi: 10.1103/PhysRevLett.119.253001. Epub 2017 Dec 19. Phys Rev Lett. 2017. PMID: 29303326
Faraday-Shielded dc Stark-Shift-Free Optical Lattice Clock.
Beloy K, Zhang X, McGrew WF, Hinkley N, Yoon TH, Nicolodi D, Fasano RJ, Schäffer SA, Brown RC, Ludlow AD. Beloy K, et al. Among authors: mcgrew wf. Phys Rev Lett. 2018 May 4;120(18):183201. doi: 10.1103/PhysRevLett.120.183201. Phys Rev Lett. 2018. PMID: 29775346
Atomic clock performance enabling geodesy below the centimetre level.
McGrew WF, Zhang X, Fasano RJ, Schäffer SA, Beloy K, Nicolodi D, Brown RC, Hinkley N, Milani G, Schioppo M, Yoon TH, Ludlow AD. McGrew WF, et al. Nature. 2018 Dec;564(7734):87-90. doi: 10.1038/s41586-018-0738-2. Epub 2018 Nov 28. Nature. 2018. PMID: 30487601
New bounds on dark matter coupling from a global network of optical atomic clocks.
Wcisło P, Ablewski P, Beloy K, Bilicki S, Bober M, Brown R, Fasano R, Ciuryło R, Hachisu H, Ido T, Lodewyck J, Ludlow A, McGrew W, Morzyński P, Nicolodi D, Schioppo M, Sekido M, Le Targat R, Wolf P, Zhang X, Zjawin B, Zawada M. Wcisło P, et al. Among authors: mcgrew w. Sci Adv. 2018 Dec 7;4(12):eaau4869. doi: 10.1126/sciadv.aau4869. eCollection 2018 Dec. Sci Adv. 2018. PMID: 30539146 Free PMC article.
Coherent optical clock down-conversion for microwave frequencies with 10-18 instability.
Nakamura T, Davila-Rodriguez J, Leopardi H, Sherman JA, Fortier TM, Xie X, Campbell JC, McGrew WF, Zhang X, Hassan YS, Nicolodi D, Beloy K, Ludlow AD, Diddams SA, Quinlan F. Nakamura T, et al. Among authors: mcgrew wf. Science. 2020 May 22;368(6493):889-892. doi: 10.1126/science.abb2473. Science. 2020. PMID: 32439794
Towards the optical second: verifying optical clocks at the SI limit.
McGrew WF, Zhang X, Leopardi H, Fasano RJ, Nicolodi D, Beloy K, Yao J, Sherman JA, Schäffer SA, Savory J, Brown RC, Römisch S, Oates CW, Parker TE, Fortier TM, Ludlow AD. McGrew WF, et al. Phys Rev X. 2019;6(4):10.1364/OPTICA.6.000448. doi: 10.1364/OPTICA.6.000448. Phys Rev X. 2019. PMID: 39568554 Free PMC article.
127 results