Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2010-05-20
New J. Phys.12:083057, 2010
Physics
Condensed Matter
Soft Condensed Matter
Replaced by the (almost) published version, except the word "curiouser"
Scientific paper
The base sequences of DNA contain the genetic code and to decode it a double helical DNA has to open its base pairs. Recent studies have shown that one can use a third strand to identify the base sequences without opening the double helix but by forming a triple helix. It is predicted here that such a three chain system exhibits the unusual behaviour of the existence of a three chain bound state in the absence of any two being bound. This phenomenon is analogous to the Efimov state in three particle quantum mechanics. A scaling theory is used to justify the Efimov connection. Real space renormalization group (RG), and exact numerical calculations are used to validate the prediction of a biological Efimov effect.
Bhattacharjee Somendra M.
Maji Jaya
Seno Flavio
Trovato Antonio
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