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Metastable structures with modified weighted density-functional theory
Charanbir Kaur1, Shankar P Das
1School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|February 28, 2002
Abstract:
The free energy of the supercooled liquid near freezing is studied in the density-functional approach using the modified weighted density approximation. A class of minima corresponding to heterogeneous structures characterized by weak mass localization are detected. The stability of these structures is found to be greater than the highly localized "hard-sphere glass" state in the intermediate density range above freezing.