Zobrazeno 1 - 10
of 176
pro vyhledávání: '"Langen, T."'
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
Akademický článek
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Publikováno v:
Rivista del Nuovo Cimento, 37, 509 (2014)
Optics and interferometry with matter waves is the art of coherently manipulating the translational motion of particles like neutrons, atoms and molecules. Coherent atom optics is an extension of techniques that were developed for manipulating \emph{
Externí odkaz:
http://arxiv.org/abs/1504.04285
Publikováno v:
Proc. Internat. School Phys. Enrico Fermi 191, 485 (2016)
Statistical mechanics is one of the most comprehensive theories in physics. From a boiling pot of water to the complex dynamics of quantum many-body systems it provides a successful connection between the microscopic dynamics of atoms and molecules a
Externí odkaz:
http://arxiv.org/abs/1504.04288
Autor:
Steffens, A., Friesdorf, M., Langen, T., Rauer, B., Schweigler, T., Hübener, R., Schmiedmayer, J., Riofrío, C. A., Eisert, J.
Publikováno v:
Nature Communications 6, 7663 (2015)
The experimental realisation of large scale many-body systems has seen immense progress in recent years, rendering full tomography tools for state identification inefficient, especially for continuous systems. In order to work with these emerging phy
Externí odkaz:
http://arxiv.org/abs/1406.3632
Akademický článek
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Publikováno v:
In Computer Physics Communications November 2019 244:205-216
Autor:
Rem, B. S., Grier, A. T., Ferrier-Barbut, I., Eismann, U., Langen, T., Navon, N., Khaykovich, L., Werner, F., Petrov, D. S., Chevy, F., Salomon, C.
Publikováno v:
Phys. Rev. Lett. 110, 163202 (2013)
We study the lifetime of a Bose gas at and around unitarity using a Feshbach resonance in lithium~7. At unitarity, we measure the temperature dependence of the three-body decay coefficient $L_{3}$. Our data follow a $L_3 {=} \lambda_{3} / T^{2}$ law
Externí odkaz:
http://arxiv.org/abs/1212.5274