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Czasopismo
2011 | 9 | 1 | 157-166
Tytuł artykułu

Effects of quantum vacuum fluctuations of the electric field on DNA condensation

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
By assuming that not only counter-ions but DNA molecules as well are thermally distributed according to a Boltzmann law, we propose a modified Poisson-Boltzmann equation, at the classical level, as a starting point to compute the effects of quantum fluctuations of the electric field on the interaction among DNA-cation complexes. The latter are modeled here as infinite one-dimensional wires (δ-functions). Our goal is to single out such quantum-vacuum-driven interaction from the counterion-induced and water-related interactions. We obtain a universal, frustration-free Casimir-like (codimension 2) interaction that extensive numerical analysis show to be a good candidate to explain the formation and stability of DNA aggregates. Such Casimir energy is computed for a variety of configurations of up to 19 DNA strands in a hexagonal array. It is found to be many-body.
Wydawca

Czasopismo
Rocznik
Tom
9
Numer
1
Strony
157-166
Opis fizyczny
Daty
wydano
2011-02-01
online
2010-09-24
Twórcy
  • Faculty of Mathematics and Physics, Charles University in Prague, V Holešovickach 2, 180 00, Prague 8, Czech Republic, alfredo.iorio@mff.cuni.cz
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11534-010-0037-5
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