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quant-ph2006★ 198 cited
Process tomography of ion trap quantum gates
M. Riebe, K. Kim, P. Schindler +7
A crucial building block for quantum information processing with trapped ions is a controlled-NOT quantum gate. In this paper, two different sequences of laser pulses implementing…
quant-ph2005
Robust entanglement
H. Haeffner, F. Schmidt-Kaler, W. Haensel +8
It is common belief among physicists that entangled states of quantum systems loose their coherence rather quickly. The reason is that any interaction with the environment which di…