Pressure-Induced Critical Phenomena of a Microemulsion System

The critical phenomena of a microemulsion system were studied by applied external pressure for the first time. The divergence of the scattering intensity and the static correlation length as functions of $\Delta P\equiv |P-P_c|$ are described by the critical exponents $\gamma$ and $\nu$, respectively. The critical exponents $\nu$ and $\gamma$ associated with $\Delta P$ are the same as those obtained with other thermodynamic variables such as temperature and oil alkane carbon number.