Dynamics of quantum spin chains and multi-fermion excitation continua

Details Dynamics of quantum spin chains and multi-fermion excitation continua Dynamics of quantum spin chains and multi-fermion excitation continua

2005-08-10

arxiv.org/abs/cond-mat/0508265v1

Physica B: Condensed Matter, Volumes 378-380, 1 May 2006, Pages 445-446

Physics

Condensed Matter

Strongly Correlated Electrons

Presented at the SCES '05 - The International Conference on Strongly Correlated Electron Systems (Vienna, July 26-30, 2005)

Scientific paper

10.1016/j.physb.2006.01.192

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.

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