Theory of open quantum dynamics with hybrid noise

Theory of open quantum dynamics with hybrid noise

We develop a theory to describe dynamics of a non-stationary open quantum system interacting with a hybrid environment, which includes high-frequency and low-frequency noise components. One part of the system-bath interaction is treated in a perturbative manner, whereas the other part is considered...

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Veröffentlicht in:arXiv.org 2018-05
Hauptverfasser: Anatoly Yu Smirnov, Amin, Mohammad H
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Energy gap
Hybrid systems
Physics - Quantum Physics
Physics - Statistical Mechanics
Quantum theory
Qubits (quantum computing)
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description We develop a theory to describe dynamics of a non-stationary open quantum system interacting with a hybrid environment, which includes high-frequency and low-frequency noise components. One part of the system-bath interaction is treated in a perturbative manner, whereas the other part is considered exactly. This approach allows us to derive a set of master equations where the relaxation rates are expressed as convolutions of the Bloch-Redfield and Marcus formulas. Our theory enables analysis of systems that have extremely small energy gaps in the presence of a realistic environment. As an illustration, we apply the theory to the 16-qubit quantum annealing problem with dangling qubits and show good agreement with experimental results.
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subjects Energy gap
Hybrid systems
Physics - Quantum Physics
Physics - Statistical Mechanics
Quantum theory
Qubits (quantum computing)
title Theory of open quantum dynamics with hybrid noise
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