sentences:  The focus of this journal is on new results in condensed matter physics, which includes a wide variety of subject areas, such as semiconductors, superconductivity, magnetism, structure, phase transitions, ferroelectrics, nonordered systems, liquids, quantum solids, superfluidity, electronic structure, photonic crystals, mesoscopic systems, surfaces, clusters, fullerenes, graphene, nanoscience, etc.PRB was created in 1970 by the split of the original Physical Review (founded in 1893) into four parts (A,B,C,D), based on subject matter.Peter D. Adams was the Editor from inception until 2012 when Laurens W. Molenkamp took over.