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Description
  • We investigate the dynamics of a single-ended N-state molecular zipper based on a model originally proposed by Kittel. The molecule is driven unidirectionally towards the completely unzipped state with increasing time t. The driving lowers the energies of states with k unzipped links by an amount proportional to kt. We solve the Pauli rate equation for the state probabilities and the partial differential equations, which yield the probability distributions for the work performed on the zipper and for the heat exchanged with the thermal reservoir. Similarly to the related equilibrium model, two different regimes can be identified at a given temperature with respect to the released molecular degrees of freedom per broken bond. In these two regimes the time evolution of the state probabilities as well as of the work and heat distributions shows a qualitatively different behavior.
  • We investigate the dynamics of a single-ended N-state molecular zipper based on a model originally proposed by Kittel. The molecule is driven unidirectionally towards the completely unzipped state with increasing time t. The driving lowers the energies of states with k unzipped links by an amount proportional to kt. We solve the Pauli rate equation for the state probabilities and the partial differential equations, which yield the probability distributions for the work performed on the zipper and for the heat exchanged with the thermal reservoir. Similarly to the related equilibrium model, two different regimes can be identified at a given temperature with respect to the released molecular degrees of freedom per broken bond. In these two regimes the time evolution of the state probabilities as well as of the work and heat distributions shows a qualitatively different behavior. (en)
Title
  • Dynamics and energetics for a molecular zipper model under external driving
  • Dynamics and energetics for a molecular zipper model under external driving (en)
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  • Dynamics and energetics for a molecular zipper model under external driving
  • Dynamics and energetics for a molecular zipper model under external driving (en)
skos:notation
  • RIV/00216208:11320/12:10129691!RIV13-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S, Z(MSM0021620835)
http://linked.open...iv/cisloPeriodika
  • november
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 132547
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/12:10129691
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • mechanical properties (DNA, RNA, membranes, biopolymers) (theory); stochastic particle dynamics (theory); exact results; driven diffusive systems (theory) (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [70FC0D8D7212]
http://linked.open...i/riv/nazevZdroje
  • Journal of Statistical Mechanics: Theory and Experiment
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • neuveden
http://linked.open...iv/tvurceVysledku
  • Chvosta, Petr
  • Holubec, Viktor
  • Maass, Philipp
http://linked.open...ain/vavai/riv/wos
  • 000312102500017
http://linked.open...n/vavai/riv/zamer
issn
  • 1742-5468
number of pages
http://bibframe.org/vocab/doi
  • 10.1088/1742-5468/2012/11/P11009
http://localhost/t...ganizacniJednotka
  • 11320
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