Instability of q-expectation value
classification
❄️ cond-mat.stat-mech
keywords
valueq-expectationstablealwaysdeformationsdistributionexpectationfunction
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q-Expectation value of a physical quantity is widely used in nonextensive statistical mechanics. Here, it is shown that the q-expectation value is not stable under small deformations of a probability distribution function, in general, whereas the ordinary expectation value is always stable.
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