Markovian model of dynamical decoupling and other open system methods

Presenting Author: Evgeny Mozgunov, University of Southern California
Contributing Author(s): Daniel Lidar

The control of the qubits in the intermediate scale quantum devices is often done via microwave pulses. Qubits also interact with the environment that causes decoherence. We present a universal description of the interplay between the control and the decoherence. Our description is applicable for a range of realistic environments, including weak spin bath and bosonic bath with the Ohmic spectral density. A single markovian master equation is capable of describing error correction by encoding into a quantum code and by dynamical decoupling. This master equation is valid for an arbitrary control of the qubits.

Read this article online: https://arxiv.org/abs/1908.01095

(Session : from 5:00pm - 7:00pm)


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