Application of the Density Matrix Renormalization Group Method to a Non-Equilibrium Problem
- 15 February 1998
- journal article
- Published by Physical Society of Japan in Journal of the Physics Society Japan
- Vol. 67 (2) , 369-372
- https://doi.org/10.1143/jpsj.67.369
Abstract
We apply the density matrix renormalization group (DMRG) method to a non-equilibrium problem: the asymmetric exclusion process in one dimension. We study the stationary state of the process to calculate the particle density profile (one-point function). We show that, even with a small number of retained bases, the DMRG calculation is in excellent agreement with the exact solution obtained by the matrix-product-ansatz approach.Comment: 8 pages, LaTeX (using jpsj.sty), 4 non-embedded figures, submitted to J. Phys. Soc. JpKeywords
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