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of 6
pro vyhledávání: '"Kiethe, Jan"'
Autor:
Kiethe, Jan, Timm, Lars, Landa, Haggai, Kalincev, Dimitri, Morigi, Giovanna, Mehlstäubler, Tanja E.
Publikováno v:
Phys. Rev. B 103, 104106 (2021)
We investigate the normal mode spectrum of a trapped ion chain at the symmetry-breaking linear to zigzag transition and at finite temperatures. For this purpose we modulate the amplitude of the Doppler cooling laser in order to excite and measure mod
Externí odkaz:
http://arxiv.org/abs/2012.11236
Autor:
Kiethe, Jan, Nigmatullin, Ramil, Schmirander, Thorben, Kalincev, Dimitri, Mehlstäubler, Tanja E.
Publikováno v:
New Journal of Physics, 20 (123017) 2018
We study nanofriction in an ion Coulomb crystal under the presence of topological defects. We observe signatures of the pinning to sliding transition, namely the transverse vibrational soft mode signaling the transition and the symmetry breaking of t
Externí odkaz:
http://arxiv.org/abs/1806.08566
Publikováno v:
Laser Physics Letters, 14, 086201 (2017)
We study the degree of second-order coherence of the emission of a high-power multi-quantum well superluminescent diode with a lateral tapered amplifier section with and without feedback. When operated in an external cavity, the degree of second-orde
Externí odkaz:
http://arxiv.org/abs/1709.05798
Autor:
Kiethe, Jan, Nigmatullin, Ramil, Kalincev, Dimitri, Schmirander, Thorben, Mehlstaubler, Tanja E.
Publikováno v:
Nature Communications 8, 15364 (2017)
Friction in ordered atomistic layers plays a central role in various nanoscale systems ranging from nanomachines to biological systems. It governs transport properties, wear and dissipation. Defects and incommensurate lattice constants dramatically c
Externí odkaz:
http://arxiv.org/abs/1704.06598
Publikováno v:
Laser Physics Letters, 2017, Volume 14, Number 5, 055402
The amplified spontaneous emission from a superluminescent diode was frequency doubled in a periodically poled lithium niobate waveguide crystal. The temporally incoherent radiation of such a superluminescent diode is characterized by a relatively br
Externí odkaz:
http://arxiv.org/abs/1704.01096
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