Theoretical investigations on electrorheological (ER) fluids usually rely on computer simulations. An initial approach for these studies would be the point-dipole (PD) approximation, which is known to err considerably when the particles approach and finally touch due to many-body and multipolar interactions. Thus various work attempted to go beyond the PD model. Being beyond the PD model, previ...

In the model where two massive scalar particles interact by the ladder exchanges of massless scalar particles (Wick-Cutkosky model), we study in light-front dynamics the contributions of different Fock sectors (with increasing number of exchanged particles) to full normalization integral and electromagnetic form factor. It turns out that two-body sector always dominates. At small coupling const...

A many-body coherent potential approximation (CPA) previously developed for the double exchange (DE) model is extended to include coupling to local quantum phonons. The Holstein-DE model studied (equal to the Holstein model for zero Hund coupling) is considered to be a simple model for the colossal magnetoresistance manganites. We concentrate on eeects due to the quantisation of the phonons, su...

Microscopic nuclear structure calculations have been performed within the framework of the unitary-model-operator approach. Ground-state and single-particle energies are calculated for nuclei around C, O and Ca with modern nucleon-nucleon interactions.

High Density Lipoprotein (HDL) transports in plasma, phospholipids, cholesterol, and triacylglycerol. The cholesterol associated with HDL (HDLc) is cholesterol that is scavenged from peripheral tissues back to liver. The liver converts this cholesterol into bile acids, bile salts, and esterifies the rest and secretes them into bile. Low HDLc is a risk factor for atherogenesis. Higher levels of ...

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