Submitted on: 09 November 2008.
Revised on: 02 January 2009.
Accepted on: 11 February 2009.
___________________Chinese Physics C---IOP PUBLISHING LTD
Submitted on: 30 January 2005.
Revised on: 04 March 2005.
Accepted on: 01 May 2005.
___________________Chinese Physics C---IOP PUBLISHING LTD
Submitted on: 16 August 2007.
Revised on: 26 October 2007.
Accepted on: 08 December 2007.
___________________Chinese Physics C---IOP PUBLISHING LTD
Submitted on: 11 December 2006.
Revised on: 06 February 2007.
Accepted on: 26 March 2007.
___________________Chinese Physics C---IOP PUBLISHING LTD
http://reply.papertrans.cn/1/54/5339/5339-35.png
Submitted on: 03 October 2003.
Revised on: 18 November 2003.
Accepted on: 18 December 2003.
___________________Chinese Physics C---IOP PUBLISHING LTD