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Mossbauer Study of Hffe2 and Hf0.75ta0.25fe2
(Romanian Journal of Physics, 2011)
Mossbauer spectrum measured on ferromagnetic HfFe2 at 296 K, consists of four six-line components and one doublet. The Laves phase HfFe2 has three kinds of crystal structures: cubic MgCu2(C15), hexagonal MgZn2(C14) and ...
Helicoidal Peyrard-Bishop Model of DNA Dynamics
(Journal of Nonlinear Mathematical Physics, 2011)
A nonlinear model describing DNA dynamics, called helicoidal Peyrard-Bishop model, is described. It is shown that the model can explain a local opening of a DNA helix during transcription. An impact of friction forces is ...