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cond-mat.str-el2004★ 1.4k cited
Real time evolution using the density matrix renormalization group
Steven R. White, Adrian E. Feiguin
We describe an extension to the density matrix renormalization group method incorporating real time evolution into the algorithm. Its application to transport problems in systems o…
cond-mat.str-el2004
Anisotropy-induced ordering in the quantum J1-J2 antiferromagnet
Tommaso Roscilde, Adrian Feiguin, Alexander L. Chernyshev +2
We study the effect of spin anisotropies on a frustrated quantum antiferromagnet using the J_1-J_2^{XXZ} model on the square lattice. The T=0 and finite-T phase diagrams of this mo…