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Abstract:

We calculate the maximal Lyapunov exponent, the generalized entropies, the asymptotic distance between nearby trajectories and the fractal dimensions for a finite two-dimensional system at different initial excitation energies. We show that these quantities have a maximum at about the same excitation energy. The presence of this maximum indicates the transition from a chaotic regime to a more regular one. In the chaotic regime the system is composed mainly of a liquid drop while the regular one corresponds to almost freely flowing particles and small clusters. At the transitional excitation energy the fractal dimensions are similar to those estimated from the Fisher model for a liquid-gas phase transition at the critical point.

Registro:

Documento: Artículo
Título:Lyapunov exponent, generalized entropies and fractal dimensions of hot drops
Autor:Dorso, C.O.; Bonasera, A.
Filiación:Laboratorio Nazionale del Sud, Ist. Nazionale di Fisica Nucleare, via S. Sofia 44, I-95123 Catania, Italy
Departamento de Fisica, Fac. de Cie. Exactas y Naturales, Ciudad Universitaria, Nuñez 1428 Buenos Aires, Argentina
Año:2001
Volumen:11
Número:4
Página de inicio:421
Página de fin:426
DOI: http://dx.doi.org/10.1007/s100500170054
Título revista:European Physical Journal A
Título revista abreviado:Eur. Phys. J. A
ISSN:14346001
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346001_v11_n4_p421_Dorso

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Citas:

---------- APA ----------
Dorso, C.O. & Bonasera, A. (2001) . Lyapunov exponent, generalized entropies and fractal dimensions of hot drops. European Physical Journal A, 11(4), 421-426.
http://dx.doi.org/10.1007/s100500170054
---------- CHICAGO ----------
Dorso, C.O., Bonasera, A. "Lyapunov exponent, generalized entropies and fractal dimensions of hot drops" . European Physical Journal A 11, no. 4 (2001) : 421-426.
http://dx.doi.org/10.1007/s100500170054
---------- MLA ----------
Dorso, C.O., Bonasera, A. "Lyapunov exponent, generalized entropies and fractal dimensions of hot drops" . European Physical Journal A, vol. 11, no. 4, 2001, pp. 421-426.
http://dx.doi.org/10.1007/s100500170054
---------- VANCOUVER ----------
Dorso, C.O., Bonasera, A. Lyapunov exponent, generalized entropies and fractal dimensions of hot drops. Eur. Phys. J. A. 2001;11(4):421-426.
http://dx.doi.org/10.1007/s100500170054