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  The physics of quantum materials

Keimer, B., & Moore, J. (2017). The physics of quantum materials. Nature Physics, 13(11), 1045-1055.

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Keimer, B.1, Author           
Moore, J., Author
Affiliations:
1Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370480              

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 Abstract: The physical description of all materials is rooted in quantum mechanics, which describes how atoms bond and electrons interact at a fundamental level. Although these quantum effects can in many cases be approximated by a classical description at the macroscopic level, in recent years there has been growing interest in material systems where quantum effects remain manifest over a wider range of energy and length scales. Such quantum materials include superconductors, graphene, topological insulators, Weyl semimetals, quantum spin liquids, and spin ices. Many of them derive their properties from reduced dimensionality, in particular from confinement of electrons to two-dimensional sheets. Moreover, they tend to be materials in which electrons cannot be considered as independent particles but interact strongly and give rise to collective excitations known as quasiparticles. In all cases, however, quantum-mechanical effects fundamentally alter properties of the material. This Review surveys the electronic properties of quantum materials through the prism of the electron wavefunction, and examines how its entanglement and topology give rise to a rich variety of quantum states and phases; these are less classically describable than conventional ordered states also driven by quantum mechanics, such as ferromagnetism.

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Language(s): eng - English
 Dates: 2017
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 735094
ISI: 000414250500015
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Title: Nature Physics
Source Genre: Journal
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Publ. Info: LONDON : NATURE PUBLISHING GROUP
Pages: - Volume / Issue: 13 (11) Sequence Number: - Start / End Page: 1045 - 1055 Identifier: ISSN: 1745-2473