Studies of the electromagnetic response of various classes of correlated electron materials
including transition-metal oxides, organic and molecular conductors, intermetallic …

Recent computational studies of models for manganese oxides have revealed a rich phase
diagram, which was not anticipated in early calculations in this context performed in the …

Mixed-valence manganese oxides (R1-χAχ) MnO3 (R= rare-earth cation, A= alkali or
alkaline earth cation), with a structure similar to that of perovskite CaTiO3, exhibit a rich …

Condensed matter is one of the most active areas of research in physics. Ev ery year new
materials are discovered with properties that are as challenging as or more than those of the …

The perovskite manganites with generic formula RE 1− x AE x MnO 3 (RE= rare earth, AE=
Ca, Sr, Ba and Pb) have drawn considerable attention, especially following the discovery of …

We review the application of ultrafast optical spectroscopy in the study of correlated electron
materials. The emphasis is on all-optical pump–probe and optical pump–far-infrared probe …

A novel ferromagnetic transition, accompanied by carrier density collapse, is found in doped
charge-transfer insulators with strong electron-phonon coupling. The transition is driven by …

An overview of the optical effects in solids, addressing the physics of various materials and
their response to electromagnetic radiation. The discussion includes metals …

Polarons, the combined motion of electrons in a cloth of their lattice distortions, are a key
transport feature in doped manganites. To develop a profound understanding of the colossal …

We report measurements of the resistivity in the ferromagnetic state of epitaxial thin films of
La 1− x Ca x MnO 3 and the low-temperature specific heat of a polycrystalline La 0.8 Ca 0.2 …