On the most efficient unitary transformation for programming quantum channels
量子物理
2007-05-23 v1
摘要
We address the problem of finding the optimal joint unitary transformation on system + ancilla which is the most efficient in programming any desired channel on the system by changing the state of the ancilla. We present a solution to the problem for dim(H)=2 for both system and ancilla.
引用
@article{arxiv.quant-ph/0509183,
title = {On the most efficient unitary transformation for programming quantum channels},
author = {Giacomo Mauro D'Ariano and Paolo Perinotti},
journal= {arXiv preprint arXiv:quant-ph/0509183},
year = {2007}
}
备注
8 pages, ws-procs9x6 and qcircuit styles. Proceedings "26th Conference: QP and IDA" - Levico (Trento), February 20-26, 2005