Fractionalization patterns in strongly correlated electron systems: Spin-charge separation and beyond
arXiv:cond-mat/0105446 · doi:10.1103/PhysRevB.65.155103
Abstract
We discuss possible patterns of electron fractionalization in strongly interacting electron systems. A popular possibility is one in which the charge of the electron has been liberated from its Fermi statistics. Such a fractionalized phase contains in it the seed of superconductivity. Another possibility occurs when the spin of the electron, rather than its charge, is liberated from its Fermi statistics. Such a phase contains in it the seed of magnetism, rather than superconductivity. We consider models in which both of these phases occur and study possible phase transitions between them. We describe other fractionalized phases, distinct from these, in which fractions of the electron themselves fractionalize, and discuss the topological characterization of such phases. These ideas are illustrated with specific models of p-wave superconductors, Kondo lattices, and coexistence between d-wave superconductivity and antiferromagnetism.
28 pages, 11 figs
References in corpus (1)
Cited by in corpus (23)
- Topological Insulators with Inversion Symmetry
- Weak magnetism and non-Fermi liquids near heavy-fermion critical points
- Fractionalized Fermi liquids
- Order and quantum phase transitions in the cuprate superconductors
- Spin-exchange interactions of spin-one bosons in optical lattices: singlet, nematic and dimerized Phases
- Disorder-Driven Non-Fermi Liquid Behavior of Correlated Electrons
- Competing orders in a magnetic field: spin and charge order in the cuprate superconductors
- Striped phase in a quantum XY-model with ring exchange
- Microscopic models for fractionalized phases in strongly correlated systems
- Spin Singlet Mott States and Evidence For Spin Singlet Quantum Condensates of Spin-One Bosons in Lattices
- Properties and Detection of Spin Nematic Order in Strongly Correlated Electron Systems
- Confinement and Mott transitions of dynamical charges in 1D lattice gauge theories
- Statistics of spinons in the spin-liquid phase of Cs2CuCl4
- Fractons from polarons
- Spin Structure Factor of the Frustrated Quantum Magnet Cs_2CuCl_4
- Understanding correlated electron systems by a classification of Mott insulators
- The planar pyrochlore antiferromagnet: A large-N analysis
- Coupling ultracold matter to dynamical gauge fields in optical lattices: From flux-attachment to Z2 lattice gauge theories
- Bond and Neel order and fractionalization in ground states of easy-plane antiferromagnets in two dimensions
- U(1) spin liquids and valence bond solids in a large-N three-dimensional Heisenberg model
- Generic first-order phase transitions between isotropic and orientational phases with polyhedral symmetries
- Evolution of the single-hole spectral function across a quantum phase transition in the anisotropic-triangular-lattice antiferromagnet
- Spin Ordering and Quasiparticles in Spin Triplet Superconducting Liquids