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Quantum nature of a nuclear phase transition

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Bonasera, A. Chen, Z. Wada, R. Hagel, K. Natowitz, J. Keutgen, Thomas [UCL] Nakagawa, T.

At finite temperatures and low densities, nuclei may undergo a phase change similar to a classical liquid-gas phase transition. Temperature is the control parameter while density and pressure are the conjugate variables. In the nucleus the difference between the proton and neutron concentrations acts as an additional order parameter, for which the symmetry potential is the conjugate variable. We present experimental results which reveal the N/Z dependence of the phase transition and discuss possible implications of these observations in terms of the Landau free energy description of critical phenomena.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès libre
Publication date 2008
Language Anglais
Journal information "Physical Review Letters" - Vol. 101, no. 12 (2008)
Peer reviewed yes
Publisher Amer Physical Soc (College Pk)
issn 0031-9007
e-issn 1079-7114
Publication status Publié
Affiliation UCL - SC/PHYS - Département de physique
Links
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Bibliographic reference Bonasera, A. ; Chen, Z. ; Wada, R. ; Hagel, K. ; Natowitz, J. ; et. al. Quantum nature of a nuclear phase transition. In: Physical Review Letters, Vol. 101, no. 12 (2008)
Permanent URL http://hdl.handle.net/2078.1/36348