Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2013

Идентификатор DOI: 10.1088/0953-4075/46/14/145302

Ключевые слова: Common sense, Gauge fields, Landau-Zener, Quantum particles, Single-band approximation, Square lattices, Electric breakdown, Gages

Аннотация: We analyse dynamics of a quantum particle in a square lattice in the Hall configuration beyond the single-band approximation. For vanishing gauge (magnetic) field this dynamics is defined by the inter-band Landau-Zener tunnelling, which is responsible for the phenomenon known as the electric breakdown. We show that in the presence of a gauge field this phenomenon is absent, at least, in its common sense. Instead, the Landau-Zener tunnelling leads to the appearance of a finite current which flows in the direction orthogonal to the vector of a potential (electric) field.

Журнал: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Выпуск журнала: Vol. 46, Is. 14

ISSN журнала: 09534075

Место издания: BRISTOL

Издатель: IOP PUBLISHING LTD

• Maksimov D.N. (LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia)
• Chesnokov I.Yu (Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia)
• Makarov D.V. (Ilichev Pacific Oceanol Inst, Vladivostok 690041, Russia)
• Kolovsky A.R. (LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia)

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