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cond-mat.stat-mech2004
Non-exponential time-correlation function for random physical processes
T. R. S. Prasanna
The exponential correlation function is theoretically incorrect in the entire frequency range of interest for processes described in terms of linear response theory. The Lorentzian…
cond-mat.stat-mech2004
Form of the exact partition function for the generalized Ising Model
T. R. S. Prasanna
The problem of N interacting spins on a lattice is equivalent to one of N clusters linked in a specific manner. The energy of any configuration of spins can be expressed in terms o…