Zobrazeno 1 - 10
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pro vyhledávání: '"Duval, C."'
Autor:
Manai, I., Molineri, A., Fréjaville, C., Duval, C., Bataille, P., Journet, R., Wiotte, F., Laburthe-Tolra, B., Maréchal, E., Cheneau, M., Robert-de-Saint-Vincent, M.
Publikováno v:
J. Phys. B: At. Mol. Opt. Phys. 53 085005 (2020)
We present a spectroscopy scheme for the 7-kHz-wide 689-nm intercombination line of strontium. We rely on shelving detection, where electrons are first excited to a metastable state by the spectroscopy laser before their state is probed using the bro
Externí odkaz:
http://arxiv.org/abs/1910.11718
Akademický článek
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Publikováno v:
Phys. Rev. D 98, 044037 (2018)
The Eisenhart lift of a Paul Trap used to store ions in molecular physics is a linearly polarized periodic gravitational wave. A modified version of Dehmelt's Penning Trap is in turn related to circularly polarized periodic gravitational waves, sough
Externí odkaz:
http://arxiv.org/abs/1807.00765
Circularly polarized gravitational sandwich waves exhibit, as do their linearly polarized counterparts, the Velocity Memory Effect: freely falling test particles in the flat after-zone fly apart along straight lines with constant velocity. In the ins
Externí odkaz:
http://arxiv.org/abs/1802.09061
Impulsive gravitational plane waves, which have a delta-function singularity on a hypersurface, can be obtained by squeezing smooth plane gravitational waves with Gaussian profile. They exhibit (as do their smooth counterparts) the Velocity Memory Ef
Externí odkaz:
http://arxiv.org/abs/1709.02299
Publikováno v:
Phys. Rev. D 96, 064013 (2017)
The "gravitational memory effect" due to an exact plane wave provides us with an elementary description of the diffeomorphisms associated with soft gravitons. It is explained how the presence of the latter may be detected by observing the motion of f
Externí odkaz:
http://arxiv.org/abs/1705.01378
We give an account of the gravitational memory effect in the presence of the exact plane wave solution of Einstein's vacuum equations. This allows an elementary but exact description of the soft gravitons and how their presence may be detected by obs
Externí odkaz:
http://arxiv.org/abs/1704.05997
The well-known 5-parameter isometry group of plane gravitational waves in $4$ dimensions is identified as Levy-Leblond's Carroll group in $2+1$ dimensions with no rotations. Our clue is that plane waves are Bargmann spaces into which Carroll manifold
Externí odkaz:
http://arxiv.org/abs/1702.08284
Autor:
Duval, C., Schucker, T.
Publikováno v:
Phys. Rev. D 96, 043517 (2017)
The spacetime evolution of massless spinning particles in a Robertson-Walker background is derived using the deterministic system of equations of motion due to Papapetrou, Souriau and Saturnini. A numerical integration of this system of differential
Externí odkaz:
http://arxiv.org/abs/1610.00555
The theorem which says that helicity is the conserved quantity associated with the duality symmetry of the vacuum Maxwell equations is proved by viewing electromagnetism as an infinite dimensional symplectic system. In fact, it is shown that helicity
Externí odkaz:
http://arxiv.org/abs/1608.01131