Bose condensation of excitons in two-layer electronic systems in the absence of magnetic field |
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| Authors: | Yu N Khanin E E Vdovin L Eaves M Henini |
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| Institution: | (1) Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia;(2) School of Physics and Astronomy, University of Nottingham, NG7 2RD, UK |
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| Abstract: | A high narrow peak of interlayer differential tunnel conductivity is observed at low temperatures in heterostructures with two closely located electronic layers in the absence of magnetic field. The analysis of experimental results suggests that this peak is due to the interlayer phase coherence that arises in the system as a result of the Bose condensation of interlayer excitons (electron-hole pairs) belonging to different layers, in accordance with the recent theoretical predictions. |
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