Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Boettcher, F. A."'
The optimization of open-loop shallow geothermal systems, which includes both design and operational aspects, is an important research area aimed at improving their efficiency and sustainability and the effective management of groundwater as a shallo
Externí odkaz:
http://arxiv.org/abs/2307.11244
Autor:
Hertkorn, J., Schmidt, J. -N., Guo, M., Böttcher, F., Ng, K. S. H., Graham, S. D., Uerlings, P., Langen, T., Zwierlein, M., Pfau, T.
Publikováno v:
Phys. Rev. Research 3, 033125 (2021)
Pattern formation is a ubiquitous phenomenon observed in nonlinear and out-of-equilibrium systems. In equilibrium, quantum ferrofluids formed from ultracold atoms were recently shown to spontaneously develop coherent density patterns, manifesting a s
Externí odkaz:
http://arxiv.org/abs/2103.13930
Autor:
Hertkorn, J., Schmidt, J. -N., Guo, M., Böttcher, F., Ng, K. S. H., Graham, S. D., Uerlings, P., Büchler, H. P., Langen, T., Zwierlein, M., Pfau, T.
Publikováno v:
Phys. Rev. Lett. 127, 155301 (2021)
We theoretically investigate the ground states and the spectrum of elementary excitations across the superfluid to droplet crystallization transition of an oblate dipolar Bose-Einstein condensate. We systematically identify regimes where spontaneous
Externí odkaz:
http://arxiv.org/abs/2103.09752
Autor:
Hertkorn, J., Schmidt, J. -N., Böttcher, F., Guo, M., Schmidt, M., Ng, K. S. H., Graham, S. D., Büchler, H. P., Langen, T., Zwierlein, M., Pfau, T.
Publikováno v:
Phys. Rev. X 11, 011037 (2021)
Phase transitions share the universal feature of enhanced fluctuations near the transition point. Here we show that density fluctuations reveal how a Bose-Einstein condensate of dipolar atoms spontaneously breaks its translation symmetry and enters t
Externí odkaz:
http://arxiv.org/abs/2009.08910
Autor:
Luciuk, C., Smale, S., Böttcher, F., Sharum, H., Olsen, B. A., Trotzky, S., Enss, T., Thywissen, J. H.
Publikováno v:
Phys. Rev. Lett. 118, 130405 (2017)
We measure the transport properties of two-dimensional ultracold Fermi gases during transverse demagnetization in a magnetic field gradient. Using a phase-coherent spin-echo sequence, we are able to distinguish bare spin diffusion from the Leggett-Ri
Externí odkaz:
http://arxiv.org/abs/1612.00815
Atmospheric wind speeds and their fluctuations at different locations (onshore and offshore) are examined. One of the most striking features is the marked intermittency of probability density functions (PDF) of velocity differences -- no matter what
Externí odkaz:
http://arxiv.org/abs/nlin/0408005
Velocity measurements of wind blowing near the North Sea border of Northern Germany and velocity measurements under local isotropic conditions of a turbulent wake behind a cylinder are compared. It is shown that wind gusts - measured by means of velo
Externí odkaz:
http://arxiv.org/abs/physics/0112063
Autor:
Spengler, D., Asam, S., Boettcher, F., Borg, E., Dobers, C., Geßner, U., Harfenmeister, K., Hüttich, C., Klan, F., Teucher, M., Truckenbrodt, S., Conrad, C.
Publikováno v:
Lecture Notes in Inforamtics (LNI), Proceedings-Series of the Gesellschaft für Informatik (GI)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______156::a007b3110af35fb1510b0ce9ce55b391
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5009831
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5009831
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