title: Quantum criticality.
abstract: As we mark the centenary of Albert Einstein's seminal contribution to both quantum mechanics and special relativity, we approach another anniversary--that of Einstein's foundation of the quantum theory of solids. But 100 years on, the same experimental measurement that puzzled Einstein and his contemporaries is forcing us to question our understanding of how quantum matter transforms at ultra-low temperatures.
authors.affiliation: Center for Materials Theory, Rutgers University, Piscataway, New Jersey 08854-8019, USA. coleman@physics.rutgers.edu
authors.forename: Piers
authors.initials: P
authors.lastname: Coleman
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Schofield