Abstract
The liquid-gas phase transition of nuclear matter is presently investigated experimentally in several laboratories [1]. The task is very difficult because one can manipulate only finite nuclei and the measured information on the system is rather indirect. The difference to macro-physics is not only the smallness of the system with only about 200 constituents but also that one cannot control the thermodynamic quantities volume or pressure. The reason is that one is colliding two nuclei in order to produce excitation energy and compression. But as there is no container the system begins to expand into the vacuum right after the compression and heating phase. Therefore one is all the time in a transient state where equilibrium in its original meaning, namely a time-independent stationary macro state, is not reached.
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Fu-guang Cao, Shan-de Yang, preprint, nucl-th/9612022
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Feldmeier, H., Schnack, J. (1999). Liquid-Gas Phase Transition in Finite Nuclei within Fermionic Molecular Dynamics. In: Blaizot, JP., Campi, X., Ploszajczak, M. (eds) Nuclear Matter in Different Phases and Transitions. Fundamental Theories of Physics, vol 95. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4556-5_33
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DOI: https://doi.org/10.1007/978-94-011-4556-5_33
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