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It is always very nice when a new discovery found in an old material. The spinel vanadate has become one of the hot topics in the condensed matter physics both experimentally and theoretically. It shows many interesting behaviors due to...
Several materials have been investigated in order to study charge and spin processes in anisotropic materials, particularly in high magnetic fields. The behavior of charge carriers in graphite based material, such as bulk graphite, ...
Nuclear magnetic resonance measurements are reported for two systems: La1-xSrxCoO3 and La2−xSrxCuO4. The local nature of NMR finds local order at temperatures well above the bulk phase transitions of these compounds. This demonstrates...
Interactions between charged residues are known to have significant effects on protein folding stability and binding properties. The contributions of different types of non-covalent interactions are altered by mutating one or more...
The set of valence-bond states --- states in which localized spin-1/2 particles are correlated in singlet pairs said to be connected by valence bonds --- provides a useful basis for visualizing singlet ground states of quantum spin...
In this dissertation, we study three biological applications of networks. The first one is a biological coevolution model, in which a species is defined by a genome in the form of a finite bitstring and the interactions between species...
The Poisson-Boltzmann equation, PBE, the linearized PBE, LPBE, and generalized Born, GB, model are implicit solvent methods that accelerate biophysical calculations by eliminating the need to integrate across the solvent's degrees of...
Nanotechnology is a frontier area of scientific research that involves materials and devices with at least one dimension at or below 100 nm scale. The ability to rationally synthesize and characterize functional materials at the...
This dissertation represents a set of work in the field of semiconductor spintronics. We address an important issue in this field that involves spin injection efficiency in spintronics devices from a ferromagnet into a non-magnetic...
Room temperature ferromagnetic semiconductors not only play an important role in the development of spintronics, but also are interesting from the viewpoint of fundamental physics since they combine two important realms of condensed...
α-Tropomyosin is the predominant tropomyosin isoform in adult human heart and constitutes a major component in Ca2+-regulated systolic contraction of cardiac muscle. Cardiac thin filaments are activated as Ca2+ induced conformational...
Pairing correlations and phase transitions in mesoscopic or small systems are studied through out this dissertation. We start our discussion by showing the importance of short range correlations and their role in forming bound Cooper...
Dilute magnetic semiconductor oxides are complex systems in which ferromagnetic and semiconducting properties coexist, potentially making these materials suitable for Spintronics applications. Understanding the fundamental physical...
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