Submitted on: 30 December 2013.
Revised on: 28 March 2014.
Accepted on: 09 April 2014.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Submitted on: 22 June 2000.
Revised on: 05 September 2000.
Accepted on: 16 October 2000.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Submitted on: 19 February 2016.
Revised on: 03 June 2016.
Accepted on: 26 July 2016.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS B
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Submitted on: 17 December 2023.
Revised on: 09 March 2024.
Accepted on: 07 May 2024.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Submitted on: 24 January 2016.
Revised on: 20 February 2016.
Accepted on: 29 March 2016.
___________________INTERNATIONAL JOURNAL OF MODERN PHYSICS B