Temperature-independent quantum logic for molecular spectroscopy

Jordi Mur-Petit, Juan José García-Ripoll, Jesús Pérez-Ríos, José Campos-Martínez, Marta I. Hernández, and Stefan Willitsch
Phys. Rev. A 85, 022308 – Published 6 February 2012

Abstract

We propose a fast and nondestructive spectroscopic method for single molecular ions that implements quantum logic schemes between an atomic ion and the molecular ion of interest. Our proposal relies on a hybrid coherent manipulation of the two-ion system, using optical or magnetic forces depending on the types of molecular levels to be addressed (e.g., Zeeman, rotational, vibrational or electronic degrees of freedom). The method is especially suited for the nondestructive precision spectroscopy of single molecular ions and sets a starting point for new hybrid quantum computation schemes that combine molecular and atomic ions, covering the measurement and entangling steps.

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  • Received 16 June 2011

DOI:https://doi.org/10.1103/PhysRevA.85.022308

©2012 American Physical Society

Authors & Affiliations

Jordi Mur-Petit* and Juan José García-Ripoll

  • Instituto de Física Fundamental, IFF-CSIC, Serrano 113 bis, E-28006 Madrid, Spain

Jesús Pérez-Ríos, José Campos-Martínez, and Marta I. Hernández

  • Instituto de Física Fundamental, IFF-CSIC, Serrano 123, E-28006 Madrid, Spain

Stefan Willitsch

  • Department of Chemistry, University of Basel, Klingelbergstrasse 80, CH-4056 Basel, Switzerland

  • *jordi.mur@iff.csic.es

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Vol. 85, Iss. 2 — February 2012

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