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Bridge-mediated Donor-Acceptor Effective Coupling: Exact theoretical description
D. J. Bicout, F. Varchon, E. Kats
An exact expression of the bridge-mediated donor-acceptor effective coupling, is derived. For systems represented by a tight-binding Hamiltonian with nearest-neighbor interactions,…
Disclination motion in hexatic and smectic-C films
E. I. Kats, V. V. Lebedev, S. V. Malinin
We present theoretical study of a single disclination motion in a thin free standing hexatic (or smectic-C) film, driven by a large-scale inhomogeneity in the bond (or director) an…
Novel Cholesteric Phase in Dispersions of Nucleic Acids due to Polymeric Chelate Bridges
V. L. Golo, E. I. Kats, Yu. S. Volkov +2
We consider cholesteric liquid-crystalline DNA dispersions, and show that polymeric (Dau-Cu) complexes, the so-called bridges, between pairs of DNA molecules may generate a super l…
Domain Structures of Smectic Films Formed by Bent-Shaped Molecules
E. I. Kats, J. Lajzerowicz
We formulate a simple Landau type model describing macroscopic behaviour recently discovered new smectic phases composed of achiral bent-shaped molecules. Films of such smectics ex…
A Model for Double-Stranded Excitations of DNA
V. L. Golo, E. I. Kats, Yu. M. Yevdokimov
We calculate the spectrum of torsional vibrations of a double-stranded structure that models the double helix of the DNA. We come to the conclusion that within the framework of the…