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Dissipative Quantum Control of a Spin Chain

By Giovanna Morigi, Jürgen Eschner, Maria Cecilia Cormick, Yiheng Lin, Dietrich Leibfried and David J. Wineland

Abstract

A protocol is discussed for preparing a spin chain in a generic many-body state in the asymptotic limit of tailored nonunitary dynamics. The dynamics require the spectral resolution of the target state, optimized coherent pulses, engineered dissipation, and feedback. As an example, we discuss the preparation of an entangled antiferromagnetic state, and argue that the procedure can be applied to chains of trapped ions or Rydberg atoms.Fil: Morigi, Giovanna. Universitat Saarland; AlemaniaFil: Eschner, Jürgen. Universitat Saarland; AlemaniaFil: Cormick, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; ArgentinaFil: Lin, Yiheng. National Institute Of Standards And Technology; Estados UnidosFil: Leibfried, Dietrich. National Institute Of Standards And Technology; Estados UnidosFil: Wineland, David J.. National Institute Of Standards And Technology; Estados Unido

Topics: ENTANGLED STATES, QUANTUM RESERVOIR ENGINEERING, TRAPPED IONS, SPIN CHAIN, Astronomía, Ciencias Físicas, CIENCIAS NATURALES Y EXACTAS
Publisher: American Physical Society
Year: 2015
DOI identifier: 10.1103/PhysRevLett.115.200502
OAI identifier: oai:ri.conicet.gov.ar:11336/52104
Provided by: CONICET Digital
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