Scalar chiral ground states of spin ladders with four-spin exchanges

Details Scalar chiral ground states of spin ladders with four-spin exchanges Scalar chiral ground states of spin ladders with four-spin exchanges

2003-04-04

arxiv.org/abs/cond-mat/0304106v1

Phys. Rev. B 67, 174410 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 2 figures, to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.67.174410

We show that scalar chiral order can be induced by four-spin exchanges in the two-leg spin ladder, using the spin-chirality duality transformation and matrix-product ansatz. Scalar-chiral-ordered states are found to be exact ground states in a family of spin ladder models. In this scalar chiral phase, there is a finite energy gap above the doubly degenerate ground states and a $Z_2 \times Z_2 \times Z_2$ symmetry is fully broken. It is also shown that the SU(4)-symmetric model, which is self-dual under the duality transformation, is on a multicritical point surrounded by the staggered dimer phase, the staggered scalar chiral phase, and the gapless phase.

Affiliated with

Also associated with

No associations

Rating

Scalar chiral ground states of spin ladders with four-spin exchanges does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Scalar chiral ground states of spin ladders with four-spin exchanges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scalar chiral ground states of spin ladders with four-spin exchanges will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-385141