Zobrazeno 1 - 10
of 890
pro vyhledávání: '"Margolis H"'
This paper gives a detailed account of the analysis underpinning the 2021 update to the list of standard reference frequency values recommended by the International Committee for Weights and Measures (CIPM). This update focused on a subset of atomic
Externí odkaz:
http://arxiv.org/abs/2401.14537
Autor:
Dimarcq, N., Gertsvolf, M., Mileti, G., Bize, S., Oates, C. W., Peik, E., Calonico, D., Ido, T., Tavella, P., Meynadier, F., Petit, G., Panfilo, G., Bartholomew, J., Defraigne, P., Donley, E. A., Hedekvist, P. O., Sesia, I., Wouters, M., Dube, P., Fang, F., Levi, F., Lodewyck, J., Margolis, H. S., Newell, D., Slyusarev, S., Weyers, S., Uzan, J. -P., Yasuda, M., Yu, D. -H., Rieck, C., Schnatz, H., Hanado, Y., Fujieda, M., Pottie, P. -E., Hanssen, J., Malimon, A., Ashby, N.
Publikováno v:
Metrologia 61 012001 (2024)
This paper outlines the roadmap towards the redefinition of the second, which was recently updated by the CCTF Task Force created by the CCTF in 2020. The main achievements and the open challenges related to the status of the optical frequency standa
Externí odkaz:
http://arxiv.org/abs/2307.14141
Autor:
Barontini, G., Blackburn, L., Boyer, V., Butuc-Mayer, F., Calmet, X., Lopez-Urrutia, J. R. Crespo, Curtis, E. A., Darquie, B., Dunningham, J., Fitch, N. J., Forgan, E. M., Georgiou, K., Gill, P., Godun, R. M., Goldwin, J., Guarrera, V., Harwood, A. C., Hill, I. R., Hendricks, R. J., Jeong, M., Johnson, M. Y. H., Keller, M., Sajith, L. P. Kozhiparambil, Kuipers, F., Margolis, H. S., Mayo, C., Newman, P., Parsons, A. O., Prokhorov, L., Robertson, B. I., Rodewald, J., Safronova, M. S., Sauer, B. E., Schioppo, M., Sherrill, N., Stadnik, Y. V., Szymaniec, K., Tarbutt, M. R., Thompson, R. C., Tofful, A., Tunesi, J., Vecchio, A., Wang, Y., Worm, S.
Publikováno v:
EPJ Quantum Technology volume 9, Article number: 12 (2022)
The detection of variations of fundamental constants of the Standard Model would provide us with compelling evidence of new physics, and could lift the veil on the nature of dark matter and dark energy. In this work, we discuss how a network of atomi
Externí odkaz:
http://arxiv.org/abs/2112.10618
Autor:
Barontini, G., Boyer, V., Calmet, X., Fitch, N. J., Forgan, E. M., Godun, R. M., Goldwin, J., Guarrera, V., Hill, I. R., Jeong, M., Keller, M., Kuipers, F., Margolis, H. S., Newman, P., Prokhorov, L., Rodewald, J., Sauer, B. E., Schioppo, M., Sherrill, N., Tarbutt, M. R., Vecchio, A., Worm, S.
Publikováno v:
Proc. SPIE 11881, Quantum Technology: Driving Commercialisation of an Enabling Science II, 118810K (2021)
The QSNET consortium is building a UK network of next-generation atomic and molecular clocks that will achieve unprecedented sensitivity in testing variations of the fine structure constant, $\alpha$, and the electron-to-proton mass ratio, $\mu$. Thi
Externí odkaz:
http://arxiv.org/abs/2110.05944
Autor:
Riedel, F., Al-Masoudi, A., Benkler, E., Dörscher, S., Gerginov, V., Grebing, C., Häfner, S., Huntemann, N., Lipphardt, B., Lisdat, C., Peik, E., Piester, D., Sanner, C., Tamm, C., Weyers, S., Denker, H., Timmen, L., Voigt, C., Calonico, D., Cerretto, G., Costanzo, G. A., Levi, F., Sesia, I., Achkar, J., Guèna, J., Abgrall, M., Rovera, D., Chupin, B., Shi, C., Bilicki, S., Bookjans, E., Lodewyck, J., Targat, R. Le, Delva, P., Bize, S., Baynes, F. N., Baynham, C. F. A., Bowden, W., Gill, P., Godun, R. M., Hill, I. R., Hobson, R., Jones, J. M., King, S. A., Nisbet-Jones, P. B. R., Rolland, A., Shemar, S. L., Whibberley, P. B., Margolis, H. S.
We carried out a 26-day comparison of five simultaneously operated optical clocks and six atomic fountain clocks located at INRIM, LNE-SYRTE, NPL and PTB by using two satellite-based frequency comparison techniques: broadband Two-Way Satellite Time a
Externí odkaz:
http://arxiv.org/abs/1910.06736
Autor:
Roberts, B. M., Delva, P., Al-Masoudi, A., Amy-Klein, A., Bærentsen, C., Baynham, C. F. A., Benkler, E., Bilicki, S., Bize, S., Bowden, W., Calvert, J., Cambier, V., Cantin, E., Curtis, E. A., Dörscher, S., Favier, M., Frank, F., Gill, P., Godun, R. M., Grosche, G., Guo, C., Hees, A., Hill, I. R., Hobson, R., Huntemann, N., Kronjäger, J., Koke, S., Kuhl, A., Lange, R., Legero, T., Lipphardt, B., Lisdat, C., Lodewyck, J., Lopez, O., Margolis, H. S., Álvarez-Martínez, H., Meynadier, F., Ozimek, F., Peik, E., Pottie, P. -E., Quintin, N., Sanner, C., De Sarlo, L., Schioppo, M., Schwarz, R., Silva, A., Sterr, U., Tamm, Chr., Targat, R. Le, Tuckey, P., Vallet, G., Waterholter, T., Xu, D., Wolf, P.
Publikováno v:
New J. Phys. 22, 093010 (2020)
We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for coherent variations in the recorded clock frequency comparisons across the network, we signif
Externí odkaz:
http://arxiv.org/abs/1907.02661
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Autor:
Delva, P., Lodewyck, J., Bilicki, S., Bookjans, E., Vallet, G., Targat, R. Le, Pottie, P. -E., Guerlin, C., Meynadier, F., Poncin-Lafitte, C. Le, Lopez, O., Amy-Klein, A., Lee, W. -K., Quintin, N., Lisdat, C., Al-Masoudi, A., Dörscher, S., Grebing, C., Grosche, G., Kuhl, A., Raupach, S., Sterr, U., Hill, I. R., Hobson, R., Bowden, W., Kronjäger, J., Marra, G., Rolland, A., Baynes, F. N., Margolis, H. S., Gill, P.
Publikováno v:
Phys. Rev. Lett. 118, 221102 (2017)
Phase compensated optical fiber links enable high accuracy atomic clocks separated by thousands of kilometers to be compared with unprecedented statistical resolution. By searching for a daily variation of the frequency difference between four stront
Externí odkaz:
http://arxiv.org/abs/1703.04426
Autor:
Abgrall, M, Chupin, B, Uhrich, P, Lorini, L, Le Targat, R, Pointard, B, Lodewyck, J, Tunesi, J, Tran, D B A, Parsons, A O, Tofful, A, Robertson, B I, Johnson, M Y H, Feng, C-H, Schioppo, M, Curtis, E A, Hill, I R, Godun, R M, Margolis, H S
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2889 Issue 1, p1-5, 5p
Autor:
Margolis, H S, Godun, R M, Huntemann, N, Le Targat, R, Pizzocaro, M, Zawada, M, Abgrall, M., Akamatsu, D, Álvarez Martínez, H, Amy-Klein, A, Andia, M, Benkler, E, Bhatt, N M, Bilicki, S, Bize, S, Bober, M, Calonico, D, Cambier, V, Cantin, E, Chardonnet, C
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2889 Issue 1, p1-9, 9p