Primary thermometry triad at 6 mK in mesoscopic circuits
| Autor: | Sébastien Jezouin, Yong Jin, François Parmentier, Ulf Gennser, A. Anthore, F. Pierre, Abdelkarim Ouerghi, Antonella Cavanna, Z. Iftikhar |
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| Přispěvatelé: | Centre de Nanosciences et Nanotechnologies (C2N (UMR_9001)), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
Physics - Instrumentation and Detectors
Science General Physics and Astronomy FOS: Physical sciences 02 engineering and technology Electron 7. Clean energy 01 natural sciences General Biochemistry Genetics and Molecular Biology Article law.invention law 0103 physical sciences Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Dilution refrigerator [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat] 010306 general physics Quantum ComputingMilieux_MISCELLANEOUS [PHYS.COND.CM-MSQHE]Physics [physics]/Condensed Matter [cond-mat]/Mesoscopic Systems and Quantum Hall Effect [cond-mat.mes-hall] Electronic circuit Physics [PHYS]Physics [physics] Mesoscopic physics Quantum Physics Multidisciplinary Condensed matter physics Condensed Matter - Mesoscale and Nanoscale Physics Transistor Shot noise General Chemistry Instrumentation and Detectors (physics.ins-det) 021001 nanoscience & nanotechnology Condensed Matter::Mesoscopic Systems and Quantum Hall Effect Coupling (physics) 0210 nano-technology Quantum Physics (quant-ph) |
| Zdroj: | Nature Communications Nature Communications, Nature Publishing Group, 2016, 7 (1), pp.58-62. ⟨10.1038/ncomms12908⟩ Nature Communications, Vol 7, Iss 1, Pp 1-7 (2016) |
| ISSN: | 2041-1723 |
| DOI: | 10.1038/ncomms12908⟩ |
| Popis: | Quantum physics emerge and develop as temperature is reduced. Although mesoscopic electrical circuits constitute an outstanding platform to explore quantum behaviour, the challenge in cooling the electrons impedes their potential. The strong coupling of such micrometre-scale devices with the measurement lines, combined with the weak coupling to the substrate, makes them extremely difficult to thermalize below 10 mK and imposes in situ thermometers. Here we demonstrate electronic quantum transport at 6 mK in micrometre-scale mesoscopic circuits. The thermometry methods are established by the comparison of three in situ primary thermometers, each involving a different underlying physics. The employed combination of quantum shot noise, quantum back action of a resistive circuit and conductance oscillations of a single-electron transistor covers a remarkably broad spectrum of mesoscopic phenomena. The experiment, performed in vacuum using a standard cryogen-free dilution refrigerator, paves the way towards the sub-millikelvin range with additional thermalization and refrigeration techniques. Mesoscopic electrical circuits are an ideal platform to explore quantum phenomena, but this requires cooling the electrons to very low temperature, which is challenging. Here, the authors employ three different in situ thermometers to report electronic quantum transport at 6mK in a micrometer-scale circuit. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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