Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Anna M. Nobili"'
Publikováno v:
Physical Review Research, Vol 2, Iss 1, p 012036 (2020)
We focus on the fact that light-pulse atom interferometers measure the atoms' acceleration with only three data points per drop. As a result, the measured effect of the gravity gradient is systematically larger than the true one, an error linear with
Externí odkaz:
https://doaj.org/article/6e4c53c452844af3aa5f9892ed8f9ff9
Publikováno v:
Measurement. 122:507-512
Accelerometers for space applications are typically based on a capacitive readout. Here we present the design of an accelerometer based on a classical mass spring mechanical system with an interferometric readout. The interferometer is based on a 106
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d221f332e88fd46b216b108fbded39bb
https://doi.org/10.1016/j.measurement.2018.03.014
https://doi.org/10.1016/j.measurement.2018.03.014
Autor:
Anna M. Nobili, Alberto Anselmi
Tests of the Weak Equivalence Principle (WEP) probe the foundations of physics. Ever since Galileo in the early 1600s, WEP tests have attracted some of the best experimentalists of any time. Progress has come in bursts, each stimulated by the introdu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::916ed96fbca636541f7bb883b51a2a81
http://hdl.handle.net/11568/958020
http://hdl.handle.net/11568/958020
Autor:
Alberto Anselmi, Anna M. Nobili
Tests of the Weak Equivalence Principle can reveal a new, composition dependent, force of nature or disprove many models of new physics. For the first time such a test is successfully carried out in space by the MICROSCOPE satellite. Early results sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b67b6fd71b77822f78c7c072d3f56e39
http://hdl.handle.net/11568/958113
http://hdl.handle.net/11568/958113
We focus on the fact that light-pulse atom interferometers measure the atoms' acceleration with only three data points per drop. As a result, the measured effect of the gravity gradient is systematically larger than the true one, an error linear with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::300708c256b5549ceb2a6c4ded683665
Publikováno v:
International Conference on Space Optics — ICSO 2016.
Acceleration measurements are needed to various levels of sensitivity for almost all space missions in the fields of fundamental physics, space geodesy, space exploration, as well as on the space station. Acceleration sensors have a “free” (or we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7ae2fefa2fbad05ec6e35d01c33a32c
https://doi.org/10.1117/12.2296171
https://doi.org/10.1117/12.2296171
Publikováno v:
2017 IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4e60d51002d27a30c98ea91e5422b70
https://doi.org/10.1109/metroaerospace.2017.7999630
https://doi.org/10.1109/metroaerospace.2017.7999630
Autor:
G. Zavattini, G. Catastini, Anna M. Nobili, Alberto Anselmi, Roberto Peron, Slava G. Turyshev, D. Lucchesi, Michael Shao, M. T. Crosta
Publikováno v:
American Journal of Physics. 81:527-536
Through the contributions of Galileo, Newton, and Einstein, we recall the universality of free fall (UFF), the weak equivalence principle (WEP), and the strong equivalence principle (SEP), in order to stress that general relativity requires all test
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::267565021a098ed5dc3743abc41aaa36
https://doi.org/10.1119/1.4798583
https://doi.org/10.1119/1.4798583
Autor:
Anna M. Nobili
Publikováno v:
Physical Review D. 94
The Universality of Free Fall and the Weak Equivalence Principle, which are at the basis of General Relativity, have been confirmed to 1 part in 10^13. Space experiments with macroscopic test masses of different composition orbiting the Earth inside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9de0427e69e70ae45cd4946566228ac6
https://doi.org/10.1103/physrevd.94.124047
https://doi.org/10.1103/physrevd.94.124047
Publikováno v:
2016 IEEE Metrology for Aerospace (MetroAeroSpace).
On 25 April the Microscope satellite was successfully launched to test the weak equivalence principle, which is the founding pillar of General Relativity, to to 1 part in 1015 (100-fold improvement). A possible violation will potentially be a major d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cedb9e3239dc2c71d38352792008691a
https://doi.org/10.1109/metroaerospace.2016.7573223
https://doi.org/10.1109/metroaerospace.2016.7573223