Statistical Physics of Ensembles of Particles with Random Interactions


  Dino Osmanovic  ,  Lenin Shagolsem  ,  Yitzhak Rabin  
Bar-Ilan University

Systems with many different interactions pose a challenge to traditional methods of statistical physics. In this talk, we discuss ensembles of particles wihere the interaction between any two particles is a random number (quenched variables). Using heuristic arguments, Monte-Carlo and molecular dynamics simulations we discuss the differences these random quenched interactions cause compared to one component systems and we show that for any temperature there exists a sufficiently large system size above which one can forego the complicated quenched averaging familiar from spin glasses, and calculate statistical averages using standard methods of equilibrium statistical mechanics.