Dynamically stabilized decoherence-free states in non-Markovian open fermionic systems

Heng Na Xiong; Wei Min Zhang; Matisse Wei Yuan Tu; Daniel Braun

doi:10.1103/PhysRevA.86.032107

Dynamically stabilized decoherence-free states in non-Markovian open fermionic systems

Heng Na Xiong, Wei Min Zhang, Matisse Wei Yuan Tu, Daniel Braun

Research output: Contribution to journal › Article › peer-review

Abstract

Decoherence-free subspaces (DFSs) provide a strategy for protecting the dynamics of an open system from decoherence induced by the system-environment interaction. So far, DFSs have been primarily studied in the framework of Markovian master equations. In this work, we study decoherence-free (DF) states in the general setting of a non-Markovian fermionic environment. We identify the DF states by diagonalizing the nonunitary evolution operator for a two-level fermionic system attached to an electron reservoir. By solving the exact master equation, we show that DF states can be stabilized dynamically.

Original language	English
Article number	032107
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	86
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.86.032107
State	Published - 10 Sep 2012
Externally published	Yes

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SDG 7 Affordable and Clean Energy

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Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.86.032107

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title = "Dynamically stabilized decoherence-free states in non-Markovian open fermionic systems",

abstract = "Decoherence-free subspaces (DFSs) provide a strategy for protecting the dynamics of an open system from decoherence induced by the system-environment interaction. So far, DFSs have been primarily studied in the framework of Markovian master equations. In this work, we study decoherence-free (DF) states in the general setting of a non-Markovian fermionic environment. We identify the DF states by diagonalizing the nonunitary evolution operator for a two-level fermionic system attached to an electron reservoir. By solving the exact master equation, we show that DF states can be stabilized dynamically.",

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

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IS - 3

M1 - 032107

ER -

Dynamically stabilized decoherence-free states in non-Markovian open fermionic systems

Abstract

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