Characterization of liquid behaviour by means of local density fluctuations

M. D'Abramo a, M. D'Alessandro a, A. Di Nola a, D. Roccatano b, Andrea Amadei c, , Email Address

a Dipartimento di Chimica, Universita` di Roma "La Sapienza", P.le Aldo Moro 5, 00185 Roma, Italy

b School of Engineering and Science, International University Bremen, Campus Ring 1 28759 Bremen, Germany

c Dipartimento di Scienze e Tecnologie Chimiche Universita` di Roma "Tor Vergata", via della Ricerca Scientifica 1, 00133 Roma, Italy

FULL TEXT

Abstract

By means of principle component analysis of the local density fluctuations, as revealed by molecular dynamics simulations, we obtain detailed information on the relevant local density fluxes and corresponding spatial patterns.

Keywords: Water; Solutions; Density fluctuations; Collective motions; Molecular dynamics.