http://reply.papertrans.cn/3/260/25940/25940-31.png
http://reply.papertrans.cn/3/260/25940/25940-32.png
http://reply.papertrans.cn/3/260/25940/25940-33.png
Submitted on: 12 October 2003.
Revised on: 20 November 2003.
Accepted on: 01 December 2003.
Quantum Science and Technology
http://reply.papertrans.cn/3/260/25940/25940-35.png
Submitted on: 17 August 2009.
Revised on: 25 September 2009.
Accepted on: 23 October 2009.
Quantum Science and Technology