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Title: Nonreciprocity and the second law of thermodynamics: An exact relation for nonlinear media
Authors: Narayan, Onuttom
Dhar, Abhishek
Issue Date: Aug-2004
Publisher: IOP Publishing Ltd.
Citation: Europhysics Letters, 2004, Vol.67, p559-564
Abstract: Applying monochromatic filters to the ends of a one-dimensional nonlinear medium, we find an exact identity relating the nonreciprocity—the difference in transmission from the left or right—to the power flowing with equal sources on both sides. Thus, nonreciprocity has an unanticipated link to an apparent violation of the second law of thermodynamics; this violation is only apparent because of a subtle dependence on the (arbitrarily small) filter bandwidth. At high intensities, a nonperturbative transition to a noisy state destroys the identity. Apart from the theoretical insight provided by filters, not contaminating other frequency channels has obvious advantages in communications.
Description: Restricted Access.
ISSN: 0295-5075
1286-4854 (Online)
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Copyright: 2004 IOP Publishing Ltd.
Appears in Collections:Research Papers (TP)

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