Specific heat of two-dimensional diluted magnets
Selke, W.; Shchur, L. N., Vasilyev, O.A.
Institut für Theoretische Physik, Technische Hochschule Aachen,
D-52056 Aachen, Germany; Landau Institute, Chernogolovka, Russia
Using Monte Carlo techniques, the two-dimensional site-diluted Ising
model is studied. In particular, properties of the specific heat, its
critical behaviour and the emergence of a non-singular maximum
above the transition temperature at moderate concentration of
defects, are discussed.