COMPLETE CHARACTERIZATION OF A QUANTUM PROCESS : THE TWO-BIT QUANTUM GATE

@inproceedings{Poyatos1997COMPLETECO,
  title={COMPLETE CHARACTERIZATION OF A QUANTUM PROCESS : THE TWO-BIT QUANTUM GATE},
  author={J. F. Poyatos and J. Ignacio Cirac and Paul Zoller},
  year={1997}
}
We show how to fully characterize a quantum process in an open quantum system. We particularize the procedure to the case of a universal two-qubit gate in a quantum computer. We illustrate the method with a numerical simulation of a quantum gate in the ion trap quantum computer. {copyright} {ital 1997} {ital The American Physical Society} 

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