Memory effects in a quasiperiodic Fermi lattice

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Memory effects in a quasiperiodic Fermi lattice. / Cosco, Francesco; Maniscalco, Sabrina.

In: Physical Review A, Vol. 98, No. 5, 053608, 05.11.2018, p. 1-6.

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Cosco, Francesco ; Maniscalco, Sabrina. / Memory effects in a quasiperiodic Fermi lattice. In: Physical Review A. 2018 ; Vol. 98, No. 5. pp. 1-6.

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@article{ce5c61a7f4764b50b85c0c042e81d63d,
title = "Memory effects in a quasiperiodic Fermi lattice",
abstract = "We investigate a system of fermions trapped in a quasiperiodic potential from an open quantum system theory perspective, designing a protocol in which an impurity atom (a two-level system) is coupled to a trapped fermionic cloud described by the noninteracting Aubry-Andr{\'e} model. The Fermi system is prepared in a charge-density-wave state before it starts its relaxation. In this work we focus our attention on the time evolution of the impurity in such an out-of-equilibrium environment and study whether the induced dynamics can be classified as Markovian or non-Markovian. We find how the localized phase of the Aubry-Andr{\'e} model displays evidence of strong and stable memory effects and can be considered as a controllable and robust non-Markovian environment.",
author = "Francesco Cosco and Sabrina Maniscalco",
note = "| openaire: EC/H2020/641277/EU//QuProCS",
year = "2018",
month = "11",
day = "5",
doi = "10.1103/PhysRevA.98.053608",
language = "English",
volume = "98",
pages = "1--6",
journal = "Physical Review A",
issn = "2469-9926",
publisher = "American Physical Society",
number = "5",

}

RIS - Download

TY - JOUR

T1 - Memory effects in a quasiperiodic Fermi lattice

AU - Cosco, Francesco

AU - Maniscalco, Sabrina

N1 - | openaire: EC/H2020/641277/EU//QuProCS

PY - 2018/11/5

Y1 - 2018/11/5

N2 - We investigate a system of fermions trapped in a quasiperiodic potential from an open quantum system theory perspective, designing a protocol in which an impurity atom (a two-level system) is coupled to a trapped fermionic cloud described by the noninteracting Aubry-André model. The Fermi system is prepared in a charge-density-wave state before it starts its relaxation. In this work we focus our attention on the time evolution of the impurity in such an out-of-equilibrium environment and study whether the induced dynamics can be classified as Markovian or non-Markovian. We find how the localized phase of the Aubry-André model displays evidence of strong and stable memory effects and can be considered as a controllable and robust non-Markovian environment.

AB - We investigate a system of fermions trapped in a quasiperiodic potential from an open quantum system theory perspective, designing a protocol in which an impurity atom (a two-level system) is coupled to a trapped fermionic cloud described by the noninteracting Aubry-André model. The Fermi system is prepared in a charge-density-wave state before it starts its relaxation. In this work we focus our attention on the time evolution of the impurity in such an out-of-equilibrium environment and study whether the induced dynamics can be classified as Markovian or non-Markovian. We find how the localized phase of the Aubry-André model displays evidence of strong and stable memory effects and can be considered as a controllable and robust non-Markovian environment.

UR - http://www.scopus.com/inward/record.url?scp=85056314908&partnerID=8YFLogxK

U2 - 10.1103/PhysRevA.98.053608

DO - 10.1103/PhysRevA.98.053608

M3 - Article

VL - 98

SP - 1

EP - 6

JO - Physical Review A

JF - Physical Review A

SN - 2469-9926

IS - 5

M1 - 053608

ER -

ID: 29800737