Abstract
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.
- Received 15 July 1996
DOI:https://doi.org/10.1103/PhysRevLett.78.390
©1997 American Physical Society
