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of 27
pro vyhledávání: '"Freier, Christian"'
Autor:
Ben-Aïcha, Yosri, Mehdi, Zain, Freier, Christian, Szigeti, Stuart S., Wigley, Paul B., Conlon, Lorcán O., Husband, Ryan, Legge, Samuel, Eagle, Rhys H., Hope, Joseph J., Robins, Nicholas P., Close, John D., Hardman, Kyle S., Haine, Simon A., Thomas, Ryan J.
We demonstrate an atom interferometer measurement protocol compatible with operation on a dynamic platform. Our method employs two open interferometers, derived from the same atomic source, with different interrogation times to eliminate initial velo
Externí odkaz:
http://arxiv.org/abs/2405.00400
Autor:
Freier, Christian
Das gravimetrische Atominterferometer (GAIN) ist ein transportables Atominterferometer welches spezifisch für hochpräzise Schweremessungen in der Geodäsie und Geophysik entwickelt wurde. Es basiert auf einer Rubidium Atomfontäne, stimulierten Ram
Externí odkaz:
http://edoc.hu-berlin.de/18452/18447
Autor:
Hu, Qing-Qing, Freier, Christian, Sun, Yuan, Leykauf, Bastian, Schkolnik, Vladimir, Yang, Jun, Krutzik, Markus, Peters, Achim
Publikováno v:
Physical Review A 97,013424,2018
We present the derivation of the frequency dependent scalar, vector, and tensor dynamical polarizabilities for the two hyperfine levels of the 87Rb atom 5s ground state. Based on the characterization of the dynamical polarizabilities, we analyze and
Externí odkaz:
http://arxiv.org/abs/1805.05704
Autor:
Hu, Qing-Qing, Freier, Christian, Leykauf, Bastian, Schkolnik, Vladimir, Yang, Jun, Krutzik, Markus, Peters, Achim
Publikováno v:
Physical Review A 96,033414,2017
Precisely evaluating the systematic error induced by the quadratic Zeeman effect is important for developing atom interferometer gravimeters aiming at an accuracy in the regime ( ). This paper reports on the experimental investigation of Raman spectr
Externí odkaz:
http://arxiv.org/abs/1805.05159
Autor:
Freier, Christian, Hauth, Matthias, Schkolnik, Vladimir, Leykauf, Bastian, Schilling, Manuel, Wziontek, Hartmut, Scherneck, Hans-Georg, Müller, Jürgen, Peters, Achim
Changes of surface gravity on Earth are of great interest in geodesy, earth sciences and natural resource exploration. They are indicative of Earth system's mass redistributions and vertical surface motion, and are usually measured with falling corne
Externí odkaz:
http://arxiv.org/abs/1512.05660
Wavefront aberrations are one of the largest uncertainty factors in present atom interferometers. We present a detailed numerical and experimental analysis of this effect based on measured aberrations from optical windows. By placing windows into the
Externí odkaz:
http://arxiv.org/abs/1411.7914
Autor:
Freier, Christian1 (AUTHOR) freier.chr@gmail.com, Heintze, Christoph1 (AUTHOR), Herrmann, Wolfram J.1,2 (AUTHOR)
Publikováno v:
BMC Family Practice. 5/8/2020, Vol. 21 Issue 1, p1-11. 11p. 2 Charts.
Akademický článek
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Additional file 2. Major topics, subthemes and subcodes. List showing the two major topics with their subthemes and the subthemes’ subcodes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b1ee536dec0a80acd5815338cb35d46
Additional file 1. Interview guide. Final version of the interview guide, translated from German into English.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c08635e58655df3c84a15ad334eedfc7