Thermoelectric Properties of Double Quantum Dots Embedded in a Nanowire

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Title:	Thermoelectric Properties of Double Quantum Dots Embedded in a Nanowire
Authors:	Kuo,DMT
Contributors:	電機工程學系
Keywords:	THERMAL CONDUCTANCE
Date:	2011
Issue Date:	2012-03-28 10:15:48 (UTC+8)
Publisher:	國立中央大學
Abstract:	We theoretically investigate the thermoelectric properties of a serial double quantum dot junction system. A two-level Anderson model including electron hoppings and intradot Coulomb interactions as well as interdot Coulomb interactions is employed to simulate the system. The charge and heat currents in the Coulomb blockade regime are calculated by Keldysh Green's function technique. The electrical conductance, Seebeck coefficient, electronic thermal conductance, and figure of merit (ZT) of the system are calculated in the linear response regime. We find that the figure of merit ZT is markedly reduced by the size fluctuation and Coulomb interactions. (C) 2011 The Japan Society of Applied Physics
Relation:	JAPANESE JOURNAL OF APPLIED PHYSICS
Appears in Collections:	[Department of Electrical Engineering] journal & Dissertation

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