Solitary waves and macromolecular systems |
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Authors: | Debajyoti Bhaumik Binayak Dutta-Roy Avijit Lahiri |
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Institution: | (1) Bose Institute, 93/1 Acharya Prafulla Chandra Road, 700009 Calcutta, India;(2) Saha Institute of Nuclear Physics, 92 Acharya Prafulla Chandra Road, 700009 Calcutta, India;(3) Vidyasagar (Evening) College, 700006 Calcutta, India |
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Abstract: | Macromolecules and their aggregates (such as protein bundles in biomembranes) possess polar modes which, when excited, tend
to deform the system and call into play elastic restoring forces. A model of such systems, characterised typically by electric
polarisation modes stabilised on the one hand by quartic self-interactions and on the other through coupling to the elastic
deformations, admits the possibility of localised excitations (solitary waves) propagating with subsonic velocities, possessing
the features of relative stability and efficient transport characteristics (associated with the collective nature of the phenomena),
and at the same time provides a mechanism of control and variability which could be of considerable interest in biology. |
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