About: Strong quantum memory at resonant Fermi edges revealed by shot noise

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About: Strong quantum memory at resonant Fermi edges revealed by shot noise Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1038/srep00374
Description	Studies of non-equilibrium current fluctuations enable assessing correlations involved in quantum transport through nanoscale conductors. They provide additional information to the mean current on charge statistics and the presence of coherence, dissipation, disorder, or entanglement. Shot noise, being a temporal integral of the current autocorrelation function, reveals dynamical information. In particular, it detects presence of non-Markovian dynamics, i.e., memory, within open systems, which has been subject of many current theoretical studies. We report on low-temperature shot noise measurements of electronic transport through InAs quantum dots in the Fermi-edge singularity regime and show that it exhibits strong memory effects caused by quantum correlations between the dot and fermionic reservoirs. Our work, apart from addressing noise in archetypical strongly correlated system of prime interest, discloses generic quantum dynamical mechanism occurring at interacting resonant Fermi edges. Studies of non-equilibrium current fluctuations enable assessing correlations involved in quantum transport through nanoscale conductors. They provide additional information to the mean current on charge statistics and the presence of coherence, dissipation, disorder, or entanglement. Shot noise, being a temporal integral of the current autocorrelation function, reveals dynamical information. In particular, it detects presence of non-Markovian dynamics, i.e., memory, within open systems, which has been subject of many current theoretical studies. We report on low-temperature shot noise measurements of electronic transport through InAs quantum dots in the Fermi-edge singularity regime and show that it exhibits strong memory effects caused by quantum correlations between the dot and fermionic reservoirs. Our work, apart from addressing noise in archetypical strongly correlated system of prime interest, discloses generic quantum dynamical mechanism occurring at interacting resonant Fermi edges. (en)
Title	Strong quantum memory at resonant Fermi edges revealed by shot noise Strong quantum memory at resonant Fermi edges revealed by shot noise (en)
skos:prefLabel	Strong quantum memory at resonant Fermi edges revealed by shot noise Strong quantum memory at resonant Fermi edges revealed by shot noise (en)
skos:notation	RIV/00216208:11320/12:10126506!RIV13-GA0-11320___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GCP204/11/J042)
http://linked.open...iv/cisloPeriodika	duben
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Novotný, Tomáš Roszak, Katarzyna
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	171759
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10126506
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	dynamics; metals; singularities (en)
http://linked.open.../riv/klicoveSlovo	metals singularities dynamics
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[EE7C3979A7F1]
http://linked.open...i/riv/nazevZdroje	SCIENTIFIC REPORTS
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Supercurrent and ac-Josephson effect in unconventional nanoscopic junctions
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	2
http://linked.open...iv/tvurceVysledku	Novotný, Tomáš Roszak, Katarzyna Haug, R. J. Hohls, F. Maire, N. Ubbelohde, N.
http://linked.open...ain/vavai/riv/wos	000303167300001
issn	2045-2322
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1038/srep00374
http://localhost/t...ganizacniJednotka	11320

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