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Negative differential thermal resistance and thermal transistor
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10.1063/1.2191730
/content/aip/journal/apl/88/14/10.1063/1.2191730
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/14/10.1063/1.2191730
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Configuration of the thermal transistor. (b) Heat current vs the control temperature . Parameters are , , , , , , , , , and . Notice that in a wide region both and increase when the temperature is increased.

Image of FIG. 2.
FIG. 2.

(Color online) Heat current vs the control temperature . Here , , , , , , , , , and . The shadow region is the range of variation of in the temperature interval .

Image of FIG. 3.
FIG. 3.

(Color online) (a) Configuration of the model exhibiting the negative differential thermal resistance (see definition in the text). (b) Heat current vs temperature (at fixed ) for different coupling constants , with lattice size . The system parameters are , , , and . (c) Same as (b) but for different system sizes and . Notice that when the heat current increases with decreasing the external temperature difference.

Image of FIG. 4.
FIG. 4.

(Color online) The power spectra of the particles at the right (R) side and the left (L) side of the interface for different temperatures with fixed . The system parameters are , , , , , and . Notice that the overlap of the spectra increases as the temperature increases, which results in the increase of the heat current with decreasing the external temperature difference when .

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/content/aip/journal/apl/88/14/10.1063/1.2191730
2006-04-03
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Negative differential thermal resistance and thermal transistor
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/14/10.1063/1.2191730
10.1063/1.2191730
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