Fyzikální ústav Akademie věd ČR

Research subjects at department 23

Complex study of Heusler alloys

A systematic approach to study various properties of complex (quaternary) Heusler alloys with potential technological applications. Based on a unified ab-initio electronic structure model, we determine dependence of magnetization, exchange integrals, magnetic phase stability, Curie temperature, spin-stiffness, residual and spin-disorder resisitivities as a function of alloy composition   The full text >>

Interdisciplinary physics

Applications of theoretical physics in other branches of science are investigated. Special attention is paid on complex networks both in social systems and in biology. Empirical data are analyzed by methods of random matrix theory, where spectra of the matrices and localization properties visualise relevant structural features. This way we for example reveal strongly interacting clusters of agents in electronic commerce or functional units of metabolic networks in living organisms.  The full text >>

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