Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2011-02-22
EPJ Web of Conferences Vol. 13 (2011) , 05002
Physics
Nuclear Physics
Nuclear Theory
7 pages, 10 figures
Scientific paper
10.1051/epjconf/20111305002
We present a possible extension of the usual relativistic nuclear mean field models widely used to describe nuclear matter towards accounting for the influence of possible intrinsic fluctuations caused by the environment. Rather than individually identifying their particular causes we concentrate on the fact that such effects can be summarily incorporated in the changing of the statistical background used, from the usual (extensive) Boltzman-Gibbs one to the nonextensive taken in the form proposed by Tsallis with a dimensionless nonextensivity parameter $q$ responsible for the above mentioned effects (for $q \rightarrow 1$ one recovers the usual BG case). We illustrate this proposition on the example of the QCD-based Nambu - Jona-Lasinio (NJL) model of a many-body field theory describing the behavior of strongly interacting matter presenting its nonextensive version. We check the sensitivity of the usual NJL model to a departure from the BG scenario expressed by the value of $| q - 1|$, in particular in the vicinity of critical points.
Rożynek Jacek
Wilk Grzegorz
No associations
LandOfFree
Nonextensive critical effects in relativistic nuclear mean field models does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Nonextensive critical effects in relativistic nuclear mean field models, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nonextensive critical effects in relativistic nuclear mean field models will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-559126