Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2011-01-10
Physical Review Letters 4, 106 (2011) 048101-1-4
Physics
Condensed Matter
Statistical Mechanics
accepted for publication in Physical Review Letters
Scientific paper
10.1103/PhysRevLett.106.048101
The melting transition of deoxyribonucleic acid (DNA), whereby the strands of the double helix structure completely separate at a certain temperature, has been characterized using neutron scattering. A Bragg peak from B-form fibre DNA has been measured as a function of temperature, and its widths and integrated intensities have been interpreted using the Peyrard-Bishop-Dauxois (PBD) model with only one free parameter. The experiment is unique, as it gives spatial correlation along the molecule through the melting transition where other techniques cannot.
Cuesta-Lopez Santiago
Garden Jean-Luc
Orero Jessica Valle
Peyrard Michel
Theodorakopoulos Nikos
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