Transport properties of a two-dimensional electron gas dressed by light

被引：62
|
作者：
Morina, S. [1 ,2 ]
Kibis, O. V. [1 ,3 ]
Pervishko, A. A. [1 ]
Shelykh, I. A. [1 ,2 ,4 ]
机构：
[1] Nanyang Technol Univ 637371, Div Phys & Appl Phys, Singapore, Singapore
[2] Univ Iceland, Sci Inst, IS-107 Reykjavik, Iceland
[3] Novosibirsk State Tech Univ, Dept Appl & Theoret Phys, Novosibirsk 630073, Russia
[4] ITMO Univ, St Petersburg 197101, Russia
来源：
PHYSICAL REVIEW B | 2015年 / 91卷 / 15期
关键词：
BOSE-EINSTEIN CONDENSATION; HIGH-FREQUENCY FIELD; SINGLE QUANTUM-DOT; WEAK-LOCALIZATION; SEMICONDUCTOR MICROCAVITY; DISORDERED CONDUCTORS; PHASE-RELAXATION; POLARITONS; WELLS; TIME;
D O I：
10.1103/PhysRevB.91.155312
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We show theoretically that the strong interaction of a two-dimensional electron gas (2DEG) with a dressing electromagnetic field drastically changes its transport properties. Particularly, the dressing field leads to a giant increase of conductivity (which can reach thousands of percents), resulting in nontrivial oscillating dependence of conductivity on the field intensity, and suppressing the weak localization of 2DEG. As a consequence, the developed theory opens an unexplored way to control transport properties of 2DEG by a strong high-frequency electromagnetic field. From an experimental viewpoint, this theory is applicable directly to quantum wells exposed to a laser-generated electromagnetic wave.
引用
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页数：6
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