Search Results - "Stefani, F."

A Model of a Tidally Synchronized Solar Dynamo by Stefani, F., Giesecke, A., Weier, T.

“…We discuss a solar dynamo model of Tayler–Spruit type whose Ω -effect is conventionally produced by a solar-like differential rotation but whose α -effect is…”
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Shaken and Stirred: When Bond Meets Suess–de Vries and Gnevyshev–Ohl by Stefani, F., Stepanov, R., Weier, T.

“…We argue that the most prominent temporal features of the solar dynamo, in particular the Hale cycle, the Suess–de Vries cycle (associated with variations of…”
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Optical antennas direct single-molecule emission by van Hulst, N. F, Taminiau, T. H, Stefani, F. D, Segerink, F. B

“…Antennas have been used for more than a century to control the emission and collection of radio and microwave radiation 1 . An optical analogue is of great…”
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A clock network for geodesy and fundamental science by Lisdat, C., Grosche, G., Quintin, N., Shi, C., Raupach, S.M.F., Grebing, C., Nicolodi, D., Stefani, F., Al-Masoudi, A., Dörscher, S., Häfner, S., Robyr, J.-L., Chiodo, N., Bilicki, S., Bookjans, E., Koczwara, A., Koke, S., Kuhl, A., Wiotte, F., Meynadier, F., Camisard, E., Abgrall, M., Lours, M., Legero, T., Schnatz, H., Sterr, U., Denker, H., Chardonnet, C., Le Coq, Y., Santarelli, G., Amy-Klein, A., Le Targat, R., Lodewyck, J., Lopez, O, Pottie, P.-E.

“…Leveraging the unrivalled performance of optical clocks as key tools for geo-science, for astronomy and for fundamental physics beyond the standard model…”
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Synchronized Helicity Oscillations: A Link Between Planetary Tides and the Solar Cycle? by Stefani, F., Giesecke, A., Weber, N., Weier, T.

“…Recent years have seen an increased interest in the question of whether the gravitational action of planets could have an influence on the solar dynamo…”
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A Synchronized Two-Dimensional α–Ω Model of the Solar Dynamo by Klevs, M., Stefani, F., Jouve, L.

“…We consider a conventional α – Ω -dynamo model with meridional circulation that exhibits typical features of the solar dynamo, including a Hale-cycle period of…”
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Four-Frequency Solution in a Magnetohydrodynamic Couette Flow as a Consequence of Azimuthal Symmetry Breaking by Garcia, F, Seilmayer, M, Giesecke, A, Stefani, F

“…The occurrence of magnetohydrodynamic quasiperiodic flows with four fundamental frequencies in differentially rotating spherical geometry is understood in…”
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No Evidence for Absence of Solar Dynamo Synchronization by Stefani, F., Beer, J., Weier, T.

“…The old question of whether the solar dynamo is synchronized by the tidal forces of the orbiting planets has recently received renewed interest, both from the…”
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On the Synchronizability of Tayler–Spruit and Babcock–Leighton Type Dynamos by Stefani, F., Giesecke, A., Weber, N., Weier, T.

“…The solar cycle appears to be remarkably synchronized with the gravitational torques exerted by the tidally dominant planets Venus, Earth and Jupiter…”
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Mode Conversion and Period Doubling in a Liquid Rubidium Alfvén-Wave Experiment with Coinciding Sound and Alfvén Speeds by Stefani, F, Forbriger, J, Gundrum, Th, Herrmannsdörfer, T, Wosnitza, J

“…We report Alfvén-wave experiments with liquid rubidium at the Dresden High Magnetic Field Laboratory. Reaching up to 63 T, the pulsed magnetic field exceeds…”
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Ekman boundary layers in a fluid filled precessing cylinder by Pizzi, F., Giesecke, A., Stefani, F.

“…The fluid flow in a precessing cylinder is investigated numerically with focus on the Ekman boundary layers in the strongly forced regime. Not surprisingly, in…”
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Controlled Nanometric Phase Transitions of Phospholipid Membranes by Plasmonic Heating of Single Gold Nanoparticles by Urban, A. S, Fedoruk, M, Horton, M. R, Rädler, J. O, Stefani, F. D, Feldmann, J

“…The development of remotely controlled nanoscopic sources of heat is essential for investigating and manipulating temperature sensitive processes at the…”
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Rieger, Schwabe, Suess-de Vries: The Sunny Beats of Resonance by Stefani, F., Horstmann, G. M., Klevs, M., Mamatsashvili, G., Weier, T.

“…We propose a self-consistent explanation of Rieger-type periodicities, the Schwabe cycle, and the Suess-de Vries cycle of the solar dynamo in terms of…”
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Surface-plasmon-mediated single-molecule fluorescence through a thin metallic film by STEFANI, F. D, VASILEV, K, BOCCHIO, N, STOYANOVA, N, KREITER, M

“…We demonstrate that fluorescence of single molecules in the nanometric vicinity of a thin gold film can be effectively excited and detected through the film…”
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Quasi-two-dimensional nonlinear evolution of helical magnetorotational instability in a magnetized Taylor-Couette flow by Mamatsashvili, G, Stefani, F, Guseva, A, Avila, M

“…Magnetorotational instability (MRI) is one of the fundamental processes in astrophysics, driving angular momentum transport and mass accretion in a wide…”
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Evolutionary ecotoxicology of perfluoralkyl substances (PFASs) inferred from multigenerational exposure: A case study with Chironomus riparius (Diptera, Chironomidae) by Stefani, F., Rusconi, M., Valsecchi, S., Marziali, L.

“…•Evolutionary ecotoxicology of PFASs was evaluated on C. riparius.•Multigenerational exposure (nominal concentration 10μg/L) lasted 10 generations.•PFOS and…”
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Astrophysical and experimental implications from the magnetorotational instability of toroidal fields by Rüdiger, G., Gellert, M., Schultz, M., Hollerbach, R., Stefani, F.

“…The interaction of differential rotation and toroidal fields that are current-free in the gap between two corotating axially unbounded cylinders is considered…”
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Magnetic material in mean-field dynamos driven by small scale helical flows by Giesecke, A, Stefani, F, Gerbeth, G

“…We perform kinematic simulations of dynamo action driven by a helical small scale flow of a conducting fluid in order to deduce mean-field properties of the…”
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Spatial and seasonal variations in the water quality of the Amu Darya River (Central Asia) by Crosa, G., Froebrich, J., Nikolayenko, V., Stefani, F., Galli, P., Calamari, D.

“…Although the use of the water resources in Uzbekistan is strongly limited by their quality, it has to be noted that there is a lack of information and data…”
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Association between chewing dysfunctions and temporomandibular disorders: A systematic review by Ferreira, M. C., Porto de Toledo, I., Dutra, K. L., Stefani, F. M., Porporatti, A. L., Flores‐Mir, C., De Luca Canto, G.

“…Summary Temporomandibular disorder (TMD) is an umbrella condition presenting several signs and symptoms including pain in the temporomandibular joint (TMJ) and…”
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