Quantum Mechanical Treatment of the Problem of Constraints in Nonextensive Formalism Revisited

Details Quantum Mechanical Treatment of the Problem of Constraints in Nonextensive Formalism Revisited Quantum Mechanical Treatment of the Problem of Constraints in Nonextensive Formalism Revisited

2007-01-30

arxiv.org/abs/cond-mat/0701745v2

Physics

Condensed Matter

Statistical Mechanics

7 pages

Scientific paper

10.1142/S0217984907013390

The purity of Werner state in nonextensive formalism associated with two different constraints has been calculated in a previous paper by G. B. Bagci et al. [G. B. Bagci et al., Int. J. Mod. Phys. 20, 2085 (2006)]. Two different results have been obtained corresponding to ordinary probability and escort probability whereas the former has been shown to result in negative values thereby leading authors to deduce the advantage of escort probabilities over ordinary probabilities. However, this results have been only for a limited interval of q values which lie between 0 and 1. In this paper, we solve the same problem for all values of nonextensive index q by using a perturbative approach and show that the simultaneous use of both types of constraint is necessary in order to obtain the solution for whole spectrum of nonextensive index. In this sense, the existence of these different constraints in nonextensive formalism must not be seen as a deficiency in the formalism but rather must be welcomed as a means of providing solution for all values of parameter q.

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