Quantum Simulation of Dissipative Processes without Reservoir Engineering
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Date
2015-05-29Author
Di Candia, Roberto
Simón Pedernales, Julen Jon
Del Campo, Adolfo
Casanova Marcos, Jorge
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Scientific Reports 5 : (2015) // Article ID 09981
Abstract
We present a quantum algorithm to simulate general finite dimensional Lindblad master equations without the requirement of engineering the system-environment interactions. The proposed method is able to simulate both Markovian and non-Markovian quantum dynamics. It consists in the quantum computation of the dissipative corrections to the unitary evolution of the system of interest, via the reconstruction of the response functions associated with the Lindblad operators. Our approach is equally applicable to dynamics generated by effectively non-Hermitian Hamiltonians. We confirm the quality of our method providing specific error bounds that quantify its accuracy.