@ARTICLE{Ballarini2017,
author={Ballarini, D. and Caputo, D. and Muñoz, C.S. and De Giorgi, M. and Dominici, L. and Szymańska, M.H. and West, K. and Pfeiffer, L.N. and Gigli, G. and Laussy, F.P. and Sanvitto, D.},
title={Macroscopic Two-Dimensional Polariton Condensates},
journal={Physical Review Letters},
year={2017},
volume={118},
number={21},
doi={10.1103/PhysRevLett.118.215301},
art_number={215301},
note={cited By 31},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019744469&doi=10.1103%2fPhysRevLett.118.215301&partnerID=40&md5=5a4a07b1595fe12d5b5cf71cdf99d256},
abstract={We report a record-size, two-dimensional polariton condensate of a fraction of a millimeter radius free from the presence of an exciton reservoir. This macroscopically occupied state is formed by the ballistically expanding polariton flow that relaxes and condenses over a large area outside of the excitation spot. The density of this trap-free condensate is <1 polariton/μm2, reducing the phase noise induced by the interaction energy. Moreover, the backflow effect, recently predicted for the nonparabolic polariton dispersion, is observed here for the first time in the fast-expanding wave packet. © 2017 American Physical Society.},
publisher={American Physical Society},
issn={00319007},
coden={PRLTA},
pubmed_id={28598653},
document_type={Article},
source={Scopus},
}

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