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http://hdl.handle.net/2289/5256| Title: | Heat and work fluctuations for a harmonic oscillator |
| Authors: | Sabhapandit, Sanjib |
| Issue Date: | Feb-2012 |
| Publisher: | American Physical Society |
| Citation: | Physical Review E, 2012, Vol.85, p021108 |
| Abstract: | The formalism of Kundu [J. Stat. Mech.1742-546810.1088/1742-5468/2011/03/P03007 P03007 (2011)], for computing the large deviations of heat flow in harmonic systems, is applied to the case of single Brownian particle in a harmonic trap and coupled to two heat baths at different temperatures. The large-τ form of the moment generating function <e-λQ>≈g(λ)exp[τμ(λ)], of the total heat flow Q from one of the baths to the particle in a given time interval τ, is studied and exact explicit expressions are obtained for both μ(λ) and g(λ). For a special case of the single particle problem that corresponds to the work done by an external stochastic force on a harmonic oscillator coupled to a thermal bath, the large-τ form of the moment generating function is analyzed to obtain the exact large deviation function as well as the complete asymptotic forms of the probability density function of the work. |
| Description: | Open Access. |
| URI: | http://hdl.handle.net/2289/5256 |
| ISSN: | 1539-3755 1550-2376 (Online) |
| Alternative Location: | http://arxiv.org/abs/1202.4257 http://dx.doi.org/10.1103/PhysRevE.85.021108 http://adsabs.harvard.edu/abs/2012PhRvE..85b1108S |
| Copyright: | 2012 American Physical Society |
| Appears in Collections: | Research Papers (TP) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2012_PRE_V85_p021108.pdf Restricted Access | Open Access | 1.6 MB | Adobe PDF | View/Open Request a copy |
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