Skip to main content Accessibility help
×
Hostname: page-component-cd9895bd7-8ctnn Total loading time: 0 Render date: 2024-12-30T22:40:16.183Z Has data issue: false hasContentIssue false

4 - Stochastic Processes

Published online by Cambridge University Press:  14 July 2022

Pierre Gaspard
Affiliation:
Université Libre de Bruxelles
Get access

Summary

At the mesoscale, the fluctuating phenomena are described using the theory of stochastic processes. Depending on the random variables, different stochastic processes can be defined. The properties of stationarity, reversibility, and Markovianity are defined and discussed. The classes of discrete- and continuous-state Markov processes are presented including their master equation, their spectral theory, and their reversibility condition. For discrete-state Markov processes, the entropy production is deduced and the network theory is developed, allowing us to obtain the affinities on the basis of the Hill–Schnakenberg cycle decomposition. Continuous-state Markov processes are described by their master equation, as well as stochastic differential equations. The spectral theory is also considered in the weak-noise limit. Furthermore, Langevin stochastic processes are presented in particular for Brownian motion and their deduction is carried out from the underlying microscopic dynamics.

Type
Chapter
Information
Publisher: Cambridge University Press
Print publication year: 2022

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Save book to Kindle

To save this book to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.

Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

  • Stochastic Processes
  • Pierre Gaspard, Université Libre de Bruxelles
  • Book: The Statistical Mechanics of Irreversible Phenomena
  • Online publication: 14 July 2022
  • Chapter DOI: https://doi.org/10.1017/9781108563055.005
Available formats
×

Save book to Dropbox

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.

  • Stochastic Processes
  • Pierre Gaspard, Université Libre de Bruxelles
  • Book: The Statistical Mechanics of Irreversible Phenomena
  • Online publication: 14 July 2022
  • Chapter DOI: https://doi.org/10.1017/9781108563055.005
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Stochastic Processes
  • Pierre Gaspard, Université Libre de Bruxelles
  • Book: The Statistical Mechanics of Irreversible Phenomena
  • Online publication: 14 July 2022
  • Chapter DOI: https://doi.org/10.1017/9781108563055.005
Available formats
×