Journal
PHYSICAL REVIEW B
Volume 71, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.71.235102
Keywords
-
Ask authors/readers for more resources
A mutual Chern-Simons Lagrangian is derived as a minimal field theory description of the phase-string model for doped antiferromagnets. Such an effective Lagrangian is shown to retain the full symmetries of parity, time reversal, and global SU(2) spin rotation, in contrast to conventional Chern-Simons theories where first two symmetries are usually broken. Two ordered phases-i.e., antiferromagnetic and superconducting states-are found at low temperatures as characterized by dual Meissner effects and dual-flux-quantization conditions due to the mutual Chern-Simons gauge structure. A dual confinement in charge and spin degrees of freedom occurs such that no true spin-charge separation is present in these ordered phases, but the spin-charge separation/deconfinement serves as a driving force in the unconventional phase transitions of these ordered states to disordered states.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available