Ising transition in dimerized XY quantum spin chain

Details Ising transition in dimerized XY quantum spin chain Ising transition in dimerized XY quantum spin chain

2001-05-30

arxiv.org/abs/cond-mat/0105584v1

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages

Scientific paper

In the present paper, we proposed a simple spin-1/2 model which provides a
exactly solvable example to study the Ising criticality with central charge
c=1/2. By mapping it onto the real Majorana fermions, the Ising critical
behavior is explored explicitly, although its bosonized form is not the double
frequency sine-Gordon model.

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