2D magnetofermionic condensate in GaAs/AlGaAs heterostructures

L. V. Kulik, A. V. Gorbunov, A. S. Zhuravlev, V. B. Timofeev, I. V. Kukushkin

Результат исследования: Научные публикации в периодических изданияхстатья

Аннотация

A principally new collective state - magnetofer-mionic condensate - has been found at excitation of long-lived triplet cyclotron magnetoexcitons in Hall isolator with high electron mobility, filling factor ? = 2 and at low temperatures, ? < 1 ?. The condensed phase interacts coherently with external electromag-netic field, exhibiting super-emitting properties, and due to low viscosity spreading over macroscopic dis-tances from the excitation spot along the 2D structure surface. The discovered effects are explained in terms of coherent condensate appearing in a non-equilibrium system of 2D fermions with totally quantized energy spectrum where a degenerate ensemble of long-lived triplet magnetoexcitons with Bose statistics has been created. The condensate occurs in the space of vectors of magnetic translations, the landscape opening new opportunities for future physical investigations.

Язык оригиналаанглийский
Страницы (с-по)1166-1173
Число страниц8
ЖурналFizika Nizkikh Temperatur
Том43
Номер выпуска8
СостояниеОпубликовано - 1 авг 2017

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    Kulik, L. V., Gorbunov, A. V., Zhuravlev, A. S., Timofeev, V. B., & Kukushkin, I. V. (2017). 2D magnetofermionic condensate in GaAs/AlGaAs heterostructures. Fizika Nizkikh Temperatur, 43(8), 1166-1173.