Fluctuation and dissipation of work in a Joule experiment.
نویسندگان
چکیده
We elucidate the connection between various fluctuation theorems by a microcanonical version of the Crooks relation. We derive the microscopically exact expression for the work distribution in an idealized Joule experiment, namely, for a convex object moving at constant speed through an ideal gas. Analytic results are compared with molecular dynamics simulations of a hard disk gas.
منابع مشابه
Fluctuation and dissipation
We review the transient version of the work and fluctuation theorem. We verify the theorem explicitly by a microscopically exact analytic calculation of the probability distribution for work or entropy production in three physical examples: the Joule experiment, the compression/expansion of a gas and the process of effusion. To cite this article: B. Cleuren et al., C. R. Physique 8 (2007). © 20...
متن کاملOn the Fluctuations of Dissipation: An Annotated Bibliography
Experiments: Single molecule Jarzynski [71]; single molecule fluctuation theorems [170]; Hatano and Sasa with optically trapped colloid particle [116]; optically trapped colloid particle, time varying spring constant [100]. Model systems for which the work distributions can be computed analytically: harmonic potentials [41], two level systems [75, 120], ideal gas compression [133, 146, 169, 195...
متن کاملMagnetohydrodynamics Fluid Flow and Heat Transfer over a Permeable Shrinking Sheet with Joule dissipation: Analytical Approach
A laminar, two dimensional, steady boundary layer Newtonian conducting fluid flow passes over a permeable shrinking sheet in the presence of a uniform magnetic field is investigated. The governing equations have converted to ordinary nonlinear differential equations (ODE) by using appropriate similarity transformations. The main idea is to transform ODE with infinite boundary condition into oth...
متن کاملComment on “Surface-impedance approach solves problems with the thermal Casimir force between real metals”
In a recent paper Geyer, Klimchitskaya, and Mostepanenko [Phys. Rev. A 67, 062102 (2003)] proposed the final solution of the problem of temperature correction to the Casimir force between real metals. The basic idea was that one cannot use the dielectric permittivity in the frequency region where a real current may arise leading to Joule heating of the metal. Instead, the surface impedance appr...
متن کاملFluctuation theorem for a small engine and magnetization switching by spin torque.
We consider a reversal of the magnetic moment of a nanomagnet by a fluctuating spin torque induced by a nonequilibrium current of electron spins. This is an example of the problem of the escape of a particle from a metastable state subjected to a fluctuating nonconservative force. Spin torque is a nonconservative force, and its fluctuations are beyond the description of the fluctuation-dissipat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Physical review letters
دوره 96 5 شماره
صفحات -
تاریخ انتشار 2006