Dynamics of quantum spin chains and multi-fermion excitation continua

Authors

Oleg Derzhko
Taras Krokhmalskii
Joachim Stolze
Gerhard Müller, University of Rhode IslandFollow

Document Type

Article

Date of Original Version

2006

Abstract

We use the Jordan-Wigner representation to study dynamic quantities for the spin- 1/2 XX chain in a transverse magnetic field. We discuss in some detail the properties of the four-fermion excitation continuum which is probed by the dynamic trimer structure factor.

Citation/Publisher Attribution

Derzhko, O., Krokhmalskii, T., Stolze, J., & Müller, G. (2006). Dynamics of quantum spin chains and multi-fermion excitations. Physica B: Condensed Matter. 378-380, 445-446. doi: 10.1016/j.physb.2006.01.192

Available at: http://dx.doi.org/10.1016/j.physb.2006.01.192