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Q: Fachverband Quantenoptik und Photonik

Q 31: Poster: Quantum Optics and Photonics I

Q 31.57: Poster

Dienstag, 7. März 2017, 17:00–19:00, P OG1+2

Casimir Force and Heat Transfer between Topological Insulators — •Sebastian Fuchs¹, Frieder Lindel¹, Mauro Antezza², and Stefan Buhmann¹ — ¹Albert-Ludwigs-Universität Freiburg, Freiburg, Germany — ²Université de Montpellier, Montpellier, France

Due to broken time-reversal symmetry, topological insulators may show very interesting optical properties [1]. This leads to the possibility of switching between an attractive and a repulsive Casimir-Polder potential between a topological insulator and an atom [2]. Motivated by these findings, we investigate theoretically the Casimir pressure between two infinitely extended topological insulators. Moreover, it stands to reason to study the heat transfer for such a setup in case of two different temperatures. Thus we want to establish a connection with a recent study of persistent heat currents between three topological insulators at the same temperature [3].

[1] J. A. Crosse, Sebastian Fuchs, and Stefan Yoshi Buhmann, Phys. Rev. A 92, 063831 (2015)

[2] Sebastian Fuchs, J. A. Crosse, Stefan Yoshi Buhmann, arxiv: 1605.06056

[3] Linxiao Zhu, Shanhui Fan, Phys. Rev. Lett. 117, 134303 (2016)