Partial energy fluctuations and negative heat capacities
نویسندگان
چکیده
منابع مشابه
Partial energies fluctuations and negative heat capacities
We proceed to a critical examination of the method used in nuclear fragmentation to exhibit signals of negative h eat capacity. We show that this method leads to unsatisfactory results when applied to a simple and well controlled model. Discrepancies are due to incomplete evaluation of potential energies. The possibility to observe negative heat capacities has been recently the object of much i...
متن کامل2 00 4 Partial energies fluctuations and negative heat capacities
We proceed to a critical examination of the method used in nuclear fragmentation to exhibit signals of negative heat capacity. We show that this method leads to unsatisfactory results when applied to a simple and well controlled model. Discrepancies are due to incomplete evaluation of potential energies. The possibility to observe negative heat capacities has been recently the object of much in...
متن کاملJu n 20 04 Partial energies fluctuations and negative heat capacities
We proceed to a critical examination of the method used in nuclear fragmentation to exhibit signals of negative heat capacity. We show that this method leads to unsatisfactory results when applied to a simple and well controlled model. Discrepancies are due to incomplete evaluation of potential energies. The possibility to observe negative heat capacities has been recently the object of much in...
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The concept of negative heat capacities of clusters has been examined and argued. This discussion examines the arguments and concepts with the goal of clarifying the inherent ambiguities in the concept itself. We also show how one must use caution with this and related concepts that extend to nonequilibrium systems properties that are well defined just for equilibrium systems. INTRODUCTION—PECU...
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The heat capacities of synthetic pyrope (Mg,Al,Si,O,,), grossular (CasAI,SisO12), and a solid solution pyrope,,grossular,, (Mg,,sCa,,,Al,Si,O,,) have been measured by adiabatic calorimetry in the temperature range l&350 K. The samples were crystallized from glasses in a conventional pistoncylinder apparatus. The molar thermophysical properties at 298.15 K (J mol’ K‘) are: c; So298 % H’h, &P Pyr...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2005
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.71.041601