Abstract
Phase space can be constructed for N equal and distinguishable binary subsystems which are correlated in a scale-invariant manner. In the paper, correlation coefficient and reduced probability are introduced to characterize the scale-invariant correlated binary subsystems. Probabilistic sets for the correlated binary subsystems satisfy Leibnitz triangle rule in the sense that the marginal probabilities of N-system are equal to the joint probabilities of the (N −1)-system. For entropic index q ≠ 1, nonextensive entropy S q is shown to be additive in the scale-invariant occupation of phase space.
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Foundation item: the National Natural Science Foundation of China (No. 60474069)
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Zhao, W., San, Y. Scale-invariant occupancy of phase space and additivity of nonextensive entropy S q . J. Shanghai Jiaotong Univ. (Sci.) 15, 441–446 (2010). https://doi.org/10.1007/s12204-010-1030-2
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DOI: https://doi.org/10.1007/s12204-010-1030-2