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A theory of superconductivity is presented, based on the fact that the interaction between electrons resulting from virtual exchange of phonons is attractive when the energy difference between the electrons states involv...

Materias / palabras clave: Superconductivity; Electrical resistivity and conductivity; Crystallite; Condensed matter physics; Perovskite (structure); Copper; Materials science; Metal; Analytical Chemistry (journal); Chemistry; Crystallography; Met...

Materias / palabras clave: Biology; Gene; Pairing; Genetics; microRNA; Computational biology; Quantum mechanics; Superconductivity; Physics

A new definition of order called topological order is proposed for two-dimensional systems in which no long-range order of the conventional type exists. The possibility of a phase transition characterized by a change in ...

Topological insulators are new states of quantum matter which cannot be adiabatically connected to conventional insulators and semiconductors. They are characterized by a full insulating gap in the bulk and gapless edge ...

Electrostatics of conductors Static magnetic field Superconductivity The propagation of electromagnetic waves Spatial dispersion Diffraction of X rays in crystals.

There are few phenomena in condensed matter physics that are defined only by the fundamental constants and do not depend on material parameters. Examples are the resistivity quantum, h/e2 (h is Planck's constant and e th...