Frequency-domain study of relaxation in a spin glass model for the structural glass transition

Details Frequency-domain study of relaxation in a spin glass model for the structural glass transition Frequency-domain study of relaxation in a spin glass model for the structural glass transition

2003-05-16

arxiv.org/abs/cond-mat/0305376v2

Physics

Condensed Matter

Statistical Mechanics

7 pages, 4 figures, epl LaTeX package

Scientific paper

10.1209/epl/i2003-00453-y

We have computed the time-dependent susceptibility for the finite-size mean-field Random Orthogonal model (ROM). We find that for temperatures above the mode-coupling temperature the imaginary part of the susceptibility $\chi''(\nu)$ obeys the scaling forms proposed for glass-forming liquids. Furthermore, as the temperature is lowered the peak frequency of $\chi''$ decreases following a Vogel-Fulcher law with a critical temperature remarkably close to the known critical temperature $T_c$ where the configurational entropy vanishes.

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