Exploring frustrated spin-systems using Projected Entangled Pair States (PEPS) Export

@article{citeulike:3889950, abstract = {We study the nature of the ground state of the frustrated J1-J2 model and the J1-J3 model using a variational algorithm based on projected entangled-pair states (PEPS). By investigating spin-spin correlation functions, we observe a separation in regions with long-range and short-range order. A direct comparison with exact diagonalizations in the subspace of short-range valence bond singlets reveals that the system is well described by states within this subset in the short-range order regions. We discuss the question whether the system forms a spin-liquid, a plaquette valence bond crystal or a columnar dimer crystal in these regions.}, archivePrefix = {arXiv}, author = {Murg, V. and Verstraete, F. and Cirac, J. I.}, citeulike-article-id = {3889950}, citeulike-linkout-0 = {http://arxiv.org/abs/0901.2019}, citeulike-linkout-1 = {http://arxiv.org/pdf/0901.2019}, day = {14}, eprint = {0901.2019}, keywords = {frustrated, magnets, topology}, month = {Jan}, posted-at = {2009-01-16 00:15:15}, priority = {2}, title = {Exploring frustrated spin-systems using Projected Entangled Pair States (PEPS)}, url = {http://arxiv.org/abs/0901.2019}, year = {2009} }

TY - JOUR ID - citeulike:3889950 L3 - citeulike-article-id:3889950 N2 - We study the nature of the ground state of the frustrated J1-J2 model and the J1-J3 model using a variational algorithm based on projected entangled-pair states (PEPS). By investigating spin-spin correlation functions, we observe a separation in regions with long-range and short-range order. A direct comparison with exact diagonalizations in the subspace of short-range valence bond singlets reveals that the system is well described by states within this subset in the short-range order regions. We discuss the question whether the system forms a spin-liquid, a plaquette valence bond crystal or a columnar dimer crystal in these regions. TI - Exploring frustrated spin-systems using Projected Entangled Pair States (PEPS) KW - frustrated KW - magnets KW - topology AU - Murg, V AU - Verstraete, F AU - Cirac, JI PY - 2009/Jan/14/ UR - http://arxiv.org/abs/0901.2019 ER -