Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 77, Issue 5, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.77.054402
Keywords
heat conduction; thermal transistor; negative differential thermal resistance; Frenkel-Kontorova; Fermi-Pasta-Ulam; phonon
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Thermal transistor is an efficient heat control device which can act as a heat switch as well as a heat modulator. In this paper, we study systematically one- and two-dimensional thermal transistors. In particular, we show how to improve significantly the efficiency of the one-dimensional thermal transistor. The study is also extended to the design of two-dimensional thermal transistor by coupling different anharmonic lattices such as the Frenkel-Kontorova and the Fermi-Pasta-Ulam lattices. Analogy between anharmonic lattices and single-walled carbon nanotube is drawn and possible experimental realization with multi-walled nanotube is suggested.
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