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Título:
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Re-entrant limits of stability of the liquid phase and the Speedy scenario in colloidal model systems
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Autores:
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Rovigatti, Lorenzo ;
Bianco, Valentino ;
Tavares, José María ;
Sciortino, Francesco
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Tipo de documento:
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texto impreso
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Editorial:
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AIP Publishing, 2017
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física
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Materia = Ciencias: Física: Química física
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Materia = Ciencias: Física: Termodinámica
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Materia = Ciencias: Química
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Tipo = Artículo
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Resumen:
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A re-entrant gas-liquid spinodal was proposed as a possible explanation of the apparent divergence of the compressibility and specific heat off supercooling water. Such a counter-intuitive possibility, e.g., a liquid that becomes unstable to gas-like fluctuations on cooling at positive pressure, has never been observed, neither in real substances nor in off-lattice simulations. More recently, such a reentrant scenario has been dismissed on the premise that the re-entrant spinodal would collide with the gas-liquid coexisting curve (binodal) in the pressure-temperature plane. Here we study, numerically and analytically, two previously introduced one-component patchy particle models that both show (i) a re-entrant limit of stability of the liquid phase and (ii) a re-entrant binodal, providing a neat in silico (and in charta) realization of such unconventional thermodynamic scenario.
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En línea:
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https://eprints.ucm.es/id/eprint/55082/1/Communication_%20Re-entrant%20limits%20of%20stability%20of%20the%20liquid%20phase%20and%20the%20Speedy%20scenario%20in%20colloidal%20model%20systems.pdf
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