Majorana Liquids: The Complete Fractionalization of the Electron

被引：32

作者：

Xu, Cenke ^{[1
]}

Sachdev, Subir ^{[1
]}

机构：

[1] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 05期

基金：

美国国家科学基金会;

关键词：

SPIN-LIQUID; QUANTUM ANTIFERROMAGNETS; STATES;

D O I：

10.1103/PhysRevLett.105.057201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We describe ground states of correlated electron systems in which the electron fractionalizes into separate quasiparticles which carry its spin and its charge, and into real Majorana fermions which carry its Fermi statistics. Such parent states provide a unified theory of previously studied fractionalized states: their descendants include insulating and conducting states with neutral spin S = 1/2 fermionic spinons, and states with spinless fermionic charge carriers. We illustrate these ideas on the honeycomb lattice, with field theories of such states and their phase transitions.

引用

页数：4

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