Ritschel, U.; Gerwinski, M. - In: Physica A: Statistical Mechanics and its Applications 243 (1997) 3, pp. 362-376
Using field-theoretical methods and exploiting conformal invariance, we study Casimir forces at tricritical points exerted by long-range fluctuations of the order-parameter field. Special attention is paid to the situation where the symmetry is broken by the boundary conditions (extraordinary...