Measurements of the temperature dependence of the bubble phase

We examine the temperature dependence of the bubble phase using the resonance in the real diagonal conductivity, Re[σxx], discovered recently by Lewis et al. (Phys. Rev. Lett. 89 (2002) 136804). The peak frequency, fpk, of the resonance at base temperature of View the MathML source is as much as 50% larger than at the highest temperature where a resonance is discernable. The resonance vanishes above a temperature of 80–View the MathML source.