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Manipulating ultracold polar molecules with microwave radiation: The influence of hyperfine structure

Source: Phys. Rev. A 80, 043410 (2009); doi:10.1103/PhysRevA.80.043410

Published 15 October 2009

EPAPS
KEYWORDS and PACS
Keywords
PACS
  • 37.10.Pq
    Trapping of molecules
  • 33.15.Pw
    Molecular fine and hyperfine structure
  • 03.67.Lx
    Quantum computation architectures and implementations
  • 31.15.aj
    Ab initio calculations of relativistic corrections, spin-orbit effects, fine structure, hyperfine structure (atoms and molecules)
  • YEAR: 2009
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PUBLICATION DATA
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J. Aldegunde,1 Hong Ran,1,2 and Jeremy M. Hutson1
1Department of Chemistry, Durham University, South Road, Durham DH1 3LE, United Kingdom
2Institute of Theoretical and Computational Chemistry, Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
We calculate the microwave spectra of ultracold 40K87Rb alkali-metal dimers, including hyperfine interactions and in the presence of electric and magnetic fields. We show that microwave transitions may be used to transfer molecules between different hyperfine states, but only because of the presence of nuclear quadrupole interactions. Hyperfine splittings may also complicate the use of ultracold molecules for quantum computing. The spectrum of molecules oriented in electric fields may be simplified dramatically by applying a simultaneous magnetic field. ©2009 The American Physical Society
History: Received 28 May 2009; published 15 October 2009
Permalink: http://link.aps.org/abstract/PRA/v80/e043410

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