Negative resistance and anomalous hysteresis in a collective molecular motor

Citation
J. Buceta et al., Negative resistance and anomalous hysteresis in a collective molecular motor, PHYS REV E, 61(6), 2000, pp. 6287-6293
Citations number
21
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW E
ISSN journal
1063651X → ACNP
Volume
61
Issue
6
Year of publication
2000
Part
A
Pages
6287 - 6293
Database
ISI
SICI code
1063-651X(200006)61:6<6287:NRAAHI>2.0.ZU;2-K
Abstract
A spatially extended model for a collective molecular motor is presented. T he system is driven far from equilibrium by a quenched additive noise. As a result, it exhibits anomalous transport properties, namely, negative resis tance and a clockwise hysteresis cycle. The phase diagram and the region of negative resistance are calculated using a Weiss mean field theory. Intuit ive explanations of the anomalous transport properties as well as details o f its energetics are given.