1994/01/29 by G. M. Zhang, S. Feng, Zhang, G. M. +4
Physics and Astronomy · #Condensed Matter (cond-mat) #FOS: Physical sciences #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Spectroscopy and Quantum Chemical Studies #cond-mat
paper · pdf · doi:10.48550/arxiv.cond-mat/9401070
12 pages, no figures, revtex 3.0, (to appaer in Phys. Rev. B), ICTP preprint 1993
arxiv created 1994/01/29 · openalex publication_date 1994/01/29 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Using the fermion-spin transformation to implement spin-charge separation of constrained electrons, a model of two t-J chains with interchain single-electron hopping is studied by abelian bosonization. After spin-charge decoupling the charge dynamics can be trivially solved, while the spin dynamics is determined by a strong-coupling fixed point where the correlation functions can be calculated explicitly. This is a generalization of the Luther-Emery line for two-coupled t-J chains. The interchain single-electron hopping changes the asymptotic behavior of the interchain spin-spin correlation functions and the electron Green function, but their exponents are independent of the coupling strength.