کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1863676 | 1037677 | 2015 | 6 صفحه PDF | دانلود رایگان |

• We consider a simple model consisting of a one-dimensional spin chain.
• The model exhibits the extensivity of the Tsallis generalized entropy.
• The model yields q-Gaussian distribution in the limit of large number of particles.
• The values of q, obtained from the entropy and from the distribution are different.
The framework of non-extensive statistical mechanics, proposed by Tsallis, has been used to describe a variety of systems. The non-extensive statistical mechanics is usually introduced in a formal way, thus simple models exhibiting some important properties described by the non-extensive statistical mechanics are useful to provide deeper physical insights. In this article we present a simple model, consisting of a one-dimensional chain of particles characterized by binary random variables, that exhibits both the extensivity of the generalized entropy with q<1q<1 and a q-Gaussian distribution in the limit of the large number of particles.
Journal: Physics Letters A - Volume 379, Issue 7, 20 March 2015, Pages 654–659