A Multiscale Approach to Brownian Motors
The problem of Brownian motion in a periodic potential, under the influence of external forcing, which is either random or
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Asters, Spirals and Vortices in Mixtures of Motors and Microtubules: The Effects of Confining Geometries on Pattern Formation
We model the effects of confinement on the stable self-organized patterns obtained in the non-equilibrium steady states of mixtures of
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Demon-free quantum Brownian motors
A quantum Smoluchowski equation is put forward that consistently describes thermal quantum states. In particular, it notably does not induce
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Phase transitions in systems with two species of molecular motors
Systems with two species of active molecular motors moving on (cytoskeletal) filaments into opposite directions are studied theoretically using driven
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Phenomenological framework for nonequilibrium steady states of molecular motors
An expression for the energetic efficiency of a molecular motor is presented in terms of an effective temperature, which was
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Random walks of molecular motors arising from diffusional encounters with immobilized filaments
Movements of molecular motors on cytoskeletal filaments are described by directed walks on a line. Detachment from this line is
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Strong enhancement of current, efficiency and mass separation in Brownian motors driven by non Gaussian noises
We study a Brownian motor driven by a colored non Gaussian noise source with a $q$-dependent probability distribution, where $q$
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Traffic of molecular motors through tube-like compartments
The traffic of molecular motors through open tube-like compartments is studied using lattice models. These models exhibit boundary-induced phase transitions
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Walks of molecular motors interacting with immobilized filaments
Movements of molecular motors on cytoskeletal filaments are described by directed walks on a line. Detachment from this line is
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Walks of molecular motors in two and three dimensions
Molecular motors interacting with cytoskeletal filaments undergo peculiar random walks consisting of alternating sequences of directed movements along the filaments
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Computer Simulations Reveal Motor Properties generating stable anti-parallel Microtubule interactions
An aster of microtubules is a set of flexible polar filaments with dynamic plus-ends, which irradiate from a common location
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Paradoxical games and Brownian thermal engines
Two losing games, when alternated in a periodic or random fashion, can produce a winning game. This paradox occurs in
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Data acquisition and control system for neutron powder diffraction instrument
The development of control software for a neutron powder diffraction instrument at the Safari-1 research reactor of South Africa is
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An Optical Reflector for the CANGAROO-II Telescope
We have been successful in developing light and durable mirrors made of CFRP (Carbon Fiber Reinforced Plastic) laminates for the
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Energy Absorption and Storage in a Hamiltonian System in Partial Contact with a Heat Bath
To understand the mechanism allowing for long-term storage of excess energy in proteins, we study a Hamiltonian system consisting of
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History-dependent Maximum Static Friction and Rectification of a System with a Few Particles in a Periodic Field
History-dependent maximum static friction is investigated using simple models with two and three particles in one-dimensional periodic potentials. In some
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Ideally Efficient Irreversible Molecular Gears
Typical man-made locomotive devices use reversible gears, as cranks, for transforming reciprocating motion into directed one. Such gears are holonomic
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Integration of the VIMOS control system
The VIRMOS consortium of French and Italian Institutes (PI: O. Le Fevre, co-PI: G. Vettolani) is manufacturing two wide field
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Laser Micromachining of Coated YBa2Cu3O6+x Superconducting Thin Films
Over the last decade advances in high temperature superconducting (HTS) materials have generated a renewed optimism in the use of
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Space Debris Hazards from Explosions in the collinear Sun-Earth Lagrange points
The collinear Lagrange points of the Sun-Earth system provide an ideal environment for highly sensitive space science missions. Consequently many
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The Overview of the National Ignition Facility Distributed Computer Control System
The Integrated Computer Control System (ICCS) for the National Ignition Facility (NIF) is a layered architecture of 300 front-end processors
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