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Low-Dimensional Systems - Interactions and Transport Properties (Hardcover, 2000 ed.)
Loot Price: R3,457
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Low-Dimensional Systems - Interactions and Transport Properties (Hardcover, 2000 ed.)
Series: Lecture Notes in Physics, 544
Expected to ship within 12 - 17 working days
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Experimental progress over the past few years has made it possible
to test a n- ber of fundamental physical concepts related to the
motion of electrons in low dimensions. The production and
experimental control of novel structures with typical sizes in the
sub-micrometer regime has now become possible. In parti- lar,
semiconductors are widely used in order to con?ne the motion of
electrons in two-dimensional heterostructures. The quantum Hall
e?ect was one of the ?rst highlights of the new physics that is
revealed by this con?nement. In a further step of the technological
development in semiconductor-heterostructures, other arti?cial
devices such as quasi one-dimensional 'quantum wires' and 'quantum
dots' (arti?cial atoms) have also been produced. These structures
again di?er very markedly from three- and two-dimensional systems,
especially in relation to the transport of electrons and the
interaction with light. Although the technol- ical advances and the
experimental skills connected with these new structures are
progressing extremely fast, our theoretical understanding of the
physical e?ects (such as the quantum Hall e?ect) is still at a very
rudimentary level. In low-dimensional structures, the interaction
of electrons with one another and with other degrees of freedoms
such as lattice vibrations or light gives rise to new phenomena
that are very di?erent from those familiar in the bulk ma- rial.
The theoretical formulation of the electronic transport properties
of small devices may be considered well-established, provided
interaction processes are neglected.
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