Submitted on: 10 January 2014.
Revised on: 03 February 2014.
Accepted on: 01 April 2014.
___________________AIP Advances---AIP PUBLISHING
http://reply.papertrans.cn/1/11/1093/1093-12.png
http://reply.papertrans.cn/1/11/1093/1093-13.png
http://reply.papertrans.cn/1/11/1093/1093-14.png
http://reply.papertrans.cn/1/11/1093/1093-15.png
Submitted on: 24 June 2000.
Revised on: 25 August 2000.
Accepted on: 11 September 2000.
___________________AIP Advances---AIP PUBLISHING
http://reply.papertrans.cn/1/11/1093/1093-17.png
http://reply.papertrans.cn/1/11/1093/1093-18.png
http://reply.papertrans.cn/1/11/1093/1093-19.png
Submitted on: 08 October 2005.
Revised on: 15 January 2006.
Accepted on: 03 March 2006.
___________________AIP Advances---AIP PUBLISHING