Resonante multilevel amplitudedempende kanaler

Resonante multilevel amplitudedempende kanaler

Resonant Multilevel Amplitude Damping Channels PlatoBlockchain Data Intelligence. Vertical Search. Ai.

Stefano Chessa1,2 og Vittorio Giovannetti1

1NEST, Scuola Normale Superiore og Istituto Nanoscienze-CNR, I-56126 Pisa, Italia
2Elektro- og datateknikk, University of Illinois Urbana-Champaign, Urbana, Illinois, 61801, USA

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Abstrakt

Vi introduserer et nytt sett med kvantekanaler: resonant multilevel amplitude demping (ReMAD) kanaler. Blant andre tilfeller kan de beskrive energispredningseffekter i atomsystemer på flere nivåer indusert av samspillet med et bosonisk miljø med null temperatur. I motsetning til den allerede kjente klassen av multilevel amplitude demping (MAD)-kanaler, tillater denne nye klassen av kart tilstedeværelsen av et miljø som ikke er i stand til å diskriminere overganger med identiske energigap. Etter å ha karakterisert algebraen til komposisjonsreglene deres, ved å analysere qutrit-saken, viser vi at dette nye settet med kanaler kan vise nedbrytbarhet og antinedbrytbarhet i store områder av det tillatte parameterrommet. Der beregner vi deres kvantekapasitet og private klassiske kapasitet. Vi viser at disse kapasitetene kan beregnes nøyaktig også i områder av parameterrommet der kanalene ikke er nedbrytbare eller antinedbrytbare.

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