Fluctuations at finite volume in strongly interacting matter

Chiral symmetry breaking and confinement-deconfinement transition are novel aspects of strongly interacting matter. Strongly interacting matter in extreme conditions (nonzero temperature and density) show rich phase structure. In ultrarelativistic Heavy Ion Collisions in laboratories such exotic states are created. Experiments are being conducted in CERN and BNL and will be conducted at GSI to study the properties of the transition from hadronic states to quark-gluon plasma (QGP). In these experiments QGP thus produced has a finite volume depending on the nature of the colliding nuclei, the centre of mass of energy (√s) etc.