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Logo: Sonderforschungsbereich geo-Q
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Logo: Sonderforschungsbereich geo-Q
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Publications of Dr.-Ing. Ludger Timmen

Peer-Reviewed Literature

2018

Grotti, J., Koller, S., Vogt, S., Häfner, S., Sterr, U., Lisdat, C., Denker, H., Voigt, C., Timmen, L., Rolland, A., Baynes, F.N., Margolis, H.S., Zampaolo, M., Thoumany, P., Pizzocaro, M., Rauf, B., Bregolin, F., Tampellini, A., Barbieri, P., Zucco, M., Costanzo, G.A., Clivati, C., Levi, F., Calonico, D.  (2018): Geodesy and metrology with a transportable optical clock, Nature Physics
DOI: 10.1038/s41567-017-0042-3
arXiv: 1705.04089

2017

Denker, H., Timmen, L., Voigt, C., Weyers, S., Peik, E., Margolis, H. S., Delva, P., Wolf, P. and Petit, G.  (2017): Geodetic methods to determine the relativistic redshift at the level of 10^{-18} in the context of international timescales – A review and practical results , Journal of Geodesy
DOI: 10.1007/s00190-017-1075-1

2016

Voigt C., Denker H. and Timmen L.  (2016): Time-variable gravity potential components for optical clock comparisons and the definition of international time scales, Metrologia, Volume 53, Number 6 more ...
DOI: 10.1088/0026-1394/53/6/1365

Non Peer-Reviewed Literature

2015

Denker H., Timmen L. and Voigt C. (2015): Gravity field modelling for optical clock comparisons, XXVI General Assembly of the International Union of Geodesy and Geophysics (IUGG), Earth and Environmental Sciences for Future Generations, Prague, Czech Republic, 22 June – 02 July 2015, Abstract G02p-431

Voigt C., Denker H. and Timmen L. (2015): Investigation of time-variable components of the gravity potential for optical clock comparisons, XXVI General Assembly of the International Union of Geodesy and Geophysics (IUGG), Earth and Environmental Sciences for Future Generations, Prague, Czech Republic, 22 June – 02 July 2015, Abstract G02p-423
DOI: 10.1088/0026-1394/53/6/1365

Presentations, Talks and Posters

2016

Denker H., Timmen L. and Voigt C. (2016): Gravity potential for optical clock comparisons, Optical clocks: quantum engineering and international timekeeping, Workshop, Joint EMRP project consortia: ITOC & QESOCAS, University of York, UK, 08 April, 2016

Denker H., Timmen L. and Voigt C. (2016): Gravity field modelling with regard to optical clock comparisons, First Joint Comm. 2 and IGFS Meeting, Internat. Symp. on Gravity, Geoid and Height Systems 2016, GGHS2016, Thessaloniki, Greece, 19 – 23 September, 2016

Denker H., Timmen L. and Voigt C. (2016): Geodetic contributions to the project “International Timescales with Optical Clocks (ITOC)", First Joint Comm. 2 and IGFS Meeting, Internat. Symp. on Gravity, Geoid and Height Systems 2016, GGHS2016, Thessaloniki, Greece, 19 – 23 September, 2016

Denker H., Timmen L. and Voigt C. (2016): Gravity field modelling with regard to optical clock comparisons, 1st Joint Commission 2 and IGFS Meeting, International Symposium on Gravity, Geoid and Height Systems 2016, GGHS2016, Thessaloniki, Greece, Sept. 19-23, 2016

Margolis H. S., Benkler E., Calonico D., Denker H., Delva P., Godun R. M., Lisdat C., Abgrall M., Achkar J., Al-Masoudi A., Barwood G. P., Baynes F. N., Baynham C. F. A., Bilicki S., Bize S., Bookjans E., Bowden W., Cerretto G., Chupin B., Clivati C., Donnellan S., Dörscher S., Fordell T., Gerginov V., Gersl J., Gill P., Grebing C., Guéna, J., Häfner S., Hill I. R., Hobson R., Huang G., Huntemann N., Jones J.M., Kind S. A., Klein H. A., Lamb A., Le Coq Y., Le Targat R., Leute J., Lindvall T., Lipphardt B., Lodewyck J., Menchetti M., Merimaa M., Mura A., Nicoldi D., Nisbet-Jones P. B. R., Ozimek F., Peik E., Pizzocaro M., Piester D., Riedel F., Robyr J.-L., Rolland A., Rosenbusch P., Rovera D., Rust F., Sanner C., Sesie I., Shemar S. L., Shi C., Sterr U., Szymaniec K., Tamm C., Timmen L., Vogt S., Voigt, C. Wallin A. E., Weyes S. and Whibberley P.B. (2016): Towards international timescales with optical clocks, First Joint Comm. 2 and IGFS Meeting, Internat. Symp. on Gravity, Geoid and Height Systems 2016, GGHS2016, Thessaloniki, Greece, 19 – 23 September, 2016

Voigt C., Denker H. and Timmen L. (2016): Time-variable components of the gravity potential field, Optical clocks: quantum engineering and international timekeeping, Workshop, Joint EMRP project consortia: ITOC & QESOCAS, University of York, UK, 08 April, 2016

2015

Margolis H. S., Benkler E., Calonico D., Denker H., Delva P., Godun R. M., Lisdat C., Achkar J., Bize S., Gersl J., Gill P., Lindvall T., Merimaa M., Pizzocaro M., Piester D., Riedel F., Sesia I., Shemar S. L., Sterr U., Timmen L., Voigt C., Vogt S., Weyers S. and Whibberley, P. B. (2015): ITOC: international timescales with optical clocks, Abstract Book, 2015 Joint Conference of the IEEE International Frequency Control Symposium & European Frequency and Time Forum, Denver, Colorado, USA, 12 - 16 April, 2015

Voigt C., Denker H. and Timmen L. (2015): Investigation of time-variable components of the gravity potential for optical clock comparisons, Abstract G02p-423, XXVI General Assembly of the International Union of Geodesy and Geophysics (IUGG), Earth and Environmental Sciences for Future Generations, Prague, Czech Republic, 22 June – 02 July, 2015