Volume 75, Number 6, September 2006
|Page(s)||922 - 928|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||09 August 2006|
The glass transition and liquid-gas spinodal boundaries of metastable liquids
Theoretical Sciences Unit, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur PO, Bangalore 560 064, India
2 The Institute of Mathematical Sciences, CIT Campus Taramani, Chennai 600 113, India
Accepted: 20 July 2006
A liquid can exist under conditions of thermodynamic stability or metastability within boundaries defined by the liquid-gas spinodal and the glass transition line. The relationship between these boundaries has been investigated previously using computer simulations, the energy landscape formalism, and simplified model calculations. We calculate these stability boundaries semi-analytically for a model glass-forming liquid, employing accurate liquid-state theory and a first-principles approach to the glass transition. These boundaries intersect at a finite temperature, consistent with previous simulation-based studies.
PACS: 64.70.Pf – Glass transitions / 64.60.My – Metastable phases / 61.20.Gy – Theory and models of liquid structure
© EDP Sciences, 2006
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