Deterministic Bell states and measurement of the motional state of two trapped ions

Dec, 1998
8 pages
Published in:
  • Phys.Rev.A 59 (1999) 4, R2539,
  • Phys.Rev.A 61 (2000) 029903 (erratum)
  • Published: Apr 1, 1999
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Abstract: (APS)
We present a method for the deterministic generation of all the electronic Bell states of two trapped ions. It involves the combination of a purely dispersive with a resonant laser excitation of vibronic transitions of the ions. In contrast to other methods presented up to now, our proposal does not require differential laser addressing of the individual ions and may be easily implemented with present available techniques. It is further shown that this excitation scheme is highly adequate for the complete determination of the motional state of the ions.
Note:
  • 5 pages with 2 postscript figures included (ReVTeX). To be published in Physical Review A as a Rapid Communication. Revised version with added references and minor corrections
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