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Full spectrum of the Liouvillian of open dissipative quantum systems in the Zeno limit
ID Popkov, Vladislav (Avtor), ID Presilla, Carlo (Avtor)

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Izvleček
We consider an open quantum system with dissipation, described by a Lindblad Master equation (LME). For dissipation locally acting and sufficiently strong, a separation of the relaxation timescales occurs, which, in terms of the eigenvalues of the Liouvillian, implies a grouping of the latter in distinct vertical stripes in the complex plane at positions determined by the eigenvalues of the dissipator. We derive effective LME equations describing the modes within each stripe separately, and solve them perturbatively, obtaining for the full set of eigenvalues and eigenstates of the Liouvillian explicit expressions correct at order 1/Γ included, where Γ is the strength of the dissipation. As an example, we apply our general results to quantum XYZ spin chains coupled, at one boundary, to a dissipative bath of polarization.

Jezik:Angleški jezik
Ključne besede:quantum mechanics, open quantum systems, nonlinear dynamics
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FMF - Fakulteta za matematiko in fiziko
Status publikacije:Objavljeno
Različica publikacije:Recenzirani rokopis
Leto izida:2021
Št. strani:Str. 190402-1-190402-6
Številčenje:Vol. 126, iss. 19
PID:20.500.12556/RUL-130373 Povezava se odpre v novem oknu
UDK:530.145
ISSN pri članku:0031-9007
DOI:10.1103/PhysRevLett.126.190402 Povezava se odpre v novem oknu
COBISS.SI-ID:76234499 Povezava se odpre v novem oknu
Datum objave v RUL:14.09.2021
Število ogledov:1189
Število prenosov:196
Metapodatki:XML DC-XML DC-RDF
:
POPKOV, Vladislav in PRESILLA, Carlo, 2021, Full spectrum of the Liouvillian of open dissipative quantum systems in the Zeno limit. Physical review letters [na spletu]. 2021. Vol. 126, no. 19, p. 190402-1-190402–6. [Dostopano 7 april 2025]. DOI 10.1103/PhysRevLett.126.190402. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=130373
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Gradivo je del revije

Naslov:Physical review letters
Skrajšan naslov:Phys. rev. lett.
Založnik:American Physical Society
ISSN:0031-9007
COBISS.SI-ID:1282575 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:kvantna mehanika, odprti kvantni sistemi, nelinearna dinamika

Projekti

Financer:EC - European Commission
Program financ.:H2020
Številka projekta:694544
Naslov:Open Many-body Non-Equilibrium Systems
Akronim:OMNES

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