Temperature-Fermion Number Correlations in Finite Paired Systems

We investigate finite systems of N paired fermions, common in atomic nuclei, for example. These systems exhibit quantum mechanical features akin to those of superconductors. We discover, however, some specific N dependent effects that can not be attained in the thermodynamics limit of ordinary supe...

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Detalles Bibliográficos
Autores principales: Plastino, Ángel Luis, Monteoliva, Diana, Plastino, Ángel Ricardo
Formato: Articulo
Lenguaje:Inglés
Publicado: 2020
Materias:
Física
N-fermion systems
N-dependent effects
Pairing
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/119198
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-119198
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
N-fermion systems
N-dependent effects
Pairing
spellingShingle Física
N-fermion systems
N-dependent effects
Pairing
Plastino, Ángel Luis
Monteoliva, Diana
Plastino, Ángel Ricardo
Temperature-Fermion Number Correlations in Finite Paired Systems
topic_facet Física
N-fermion systems
N-dependent effects
Pairing
description We investigate finite systems of N paired fermions, common in atomic nuclei, for example. These systems exhibit quantum mechanical features akin to those of superconductors. We discover, however, some specific N dependent effects that can not be attained in the thermodynamics limit of ordinary superconductivity. In particular, an important fact is uncovered: there is a strong correlation between the temperature T and the number of fermions N. A certain temperature increase DT produces, in thermal quantifiers (such as the entropy), quite different effects if N = 4 or N = 25. In fact, whether a given temperature value should be regarded as high or low can not be ascertained independent of the N value.
format Articulo
Articulo
author Plastino, Ángel Luis
Monteoliva, Diana
Plastino, Ángel Ricardo
author_facet Plastino, Ángel Luis
Monteoliva, Diana
Plastino, Ángel Ricardo
author_sort Plastino, Ángel Luis
title Temperature-Fermion Number Correlations in Finite Paired Systems
title_short Temperature-Fermion Number Correlations in Finite Paired Systems
title_full Temperature-Fermion Number Correlations in Finite Paired Systems
title_fullStr Temperature-Fermion Number Correlations in Finite Paired Systems
title_full_unstemmed Temperature-Fermion Number Correlations in Finite Paired Systems
title_sort temperature-fermion number correlations in finite paired systems
publishDate 2020
url http://sedici.unlp.edu.ar/handle/10915/119198
work_keys_str_mv AT plastinoangelluis temperaturefermionnumbercorrelationsinfinitepairedsystems
AT monteolivadiana temperaturefermionnumbercorrelationsinfinitepairedsystems
AT plastinoangelricardo temperaturefermionnumbercorrelationsinfinitepairedsystems
bdutipo_str Repositorios
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