Scientific article

Fermi polaron-polaritons in charge-tunable atomically thin semiconductors

Published inNature physics, vol. 13, no. 3, p. 255-261
Publication date2016-10-31
First online date2016-10-31

The dynamics of a mobile quantum impurity in a degenerate Fermi system is a fundamental problem in many-body physics. The interest in this field has been renewed due to recent ground-breaking experiments with ultracold Fermi gases1,2,3,4,5. Optical creation of an exciton or a polariton in a two-dimensional electron system embedded in a microcavity constitutes a new frontier for this field due to an interplay between cavity coupling favouring ultralow-mass polariton formation6 and exciton–electron interactions leading to polaron or trion formation7,8. Here, we present cavity spectroscopy of gate-tunable monolayer MoSe2 (ref. 9) exhibiting strongly bound trion and polaron resonances, as well as non-perturbative coupling to a single microcavity mode10,11.

Affiliation Not a UNIGE publication
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Citation (ISO format)
SIDLER, Meinrad et al. Fermi polaron-polaritons in charge-tunable atomically thin semiconductors. In: Nature physics, 2016, vol. 13, n° 3, p. 255–261. doi: 10.1038/nphys3949
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Article (Published version)
ISSN of the journal1745-2473

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