Fractionalization and confinement in the U(1) and Z(2) gauge theories of strongly correlated systems

Authors
Senthil, T Fisher, MPA
Citation
T. Senthil et Mpa. Fisher, Fractionalization and confinement in the U(1) and Z(2) gauge theories of strongly correlated systems, J PHYS A, 34(10), 2001, pp. L119-L125
Citations number
20
Categorie Soggetti
Physics
Journal title
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
ISSN journal
03054470 → ACNP
Volume
34
Issue
10
Year of publication
2001
Pages
L119 - L125
Database
ISI
SICI code
0305-4470(20010316)34:10<L119:FACITU>2.0.ZU;2-J
Abstract
Recently, we have elucidated the physics of electron fractionalization in s trongly interacting electron systems using a Z(2) gauge theory formulation. Here we discuss the connection with the earlier U(1) gauge theory approach es based on the slave boson mean field theory. In particular, we identify t he relationship between the holons and Spinons of the slave-boson theory an d the true physical excitations of the fractionalized phases that are readi ly described in the Z(2) approach.