Thermo-electric effects in a Luttinger liquid

• Дата: 2001
• Автори: Krive, I.V., Romanovsky, I.A., Bogachek, E.N., Scherbakov, A.G., Landman, Uzi
• Формат: Стаття
• Мова: English
• Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2001
• Назва видання: Физика низких температур
• Теми: Статьи, посвященные столетию со дня рождения Л. В. Шубникова
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/129012
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Thermo-electric effects in a Luttinger liquid / I.V. Krive, I.A. Romanovsky, E.N. Bogachek, A.G. Scherbakov, Uzi Landman // Физика низких температур. — 2001. — Т. 27, № 9-10. — С. 1110-1122. — Бібліогр.: 30 назв. — англ.

Thermoelectric effects in a Luttinger liquid (LL) wire adiabatically connected to the leads of noninteracting electrons are considered. For a multichannel LL a staircase-like behavior of the thermal conductance as a function of chemical potential is found. A thermopower for a LL wire with an impurity is evaluated for two cases: (i) LL constriction and (ii) infinite LL wire. We show that the thermopower is described a Mott-like formula renormalized by an interaction-dependent factor. For an infinite LL the renormalization factor decreases with increase of the interaction. However, for a realistic situation, when a LL wire is connected to the leads of noninteracting electrons (LL constriction), the repulsive electron-electron interaction enhances the thermopower. A nonlinear Peltier effect in a LL is briefly discussed.