Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2002-10-23
Physica A, 321, 482(2003)
Physics
Condensed Matter
Statistical Mechanics
9 pages. submited to Physica A
Scientific paper
10.1016/S0378-4371(02)01918-0
We calculate the fluctuation of the energy of a system in Tsallis statistics following the finite heat bath canonical ensemble approach. We obtain this fluctuation as the second derivative of the logarithm of the partition function plus an additional term. We also find an explicit expression for the relative fluctuation as related to the number of degrees of freedom of the bath and the composite system.
Costa U. M. S.
Potiguar Fabricio Q.
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