Comment on "Time-Dependent Density-Matrix Renormalization Group: A Systematic Method for the Study of Quantum Many-Body Out-of- Equilibrium Systems"

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dc.creatorLuo, H. G.
dc.creatorXiang, T.
dc.creatorWang, X. Q.
dc.date2002-12-24
dc.date.accessioned2026-07-07T02:48:54Z
dc.date.available2026-07-07T02:48:54Z
dc.descriptionIn a recent Letter [Phys. Rev. Lett. 88, 256403(2002), cond-mat/0109158] Cazalilla and Marston proposed a time-dependent density- matrix renormalization group (TdDMRG) algorithm for the accurate evaluation of out-of-equilibrium properties of quantum many-body systems. For a point contact junction between two Luttinger liquids, a current oscillation develops after initial transient in the insulating regime. Here we would like to point out that (a) the observed oscillation is an artifact of the method; (b) the TdDMRG can be significantly improved by incorporating the non-equilibrium evolution of the goundstate into the density matrix.
dc.description1 page, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0212580
dc.identifierhttp://arxiv.org/abs/cond-mat/0212580
dc.identifierPhysical Review Letters 91, 049701 (2004)
dc.identifierdoi:10.1103/PhysRevLett.91.049701
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20592
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.titleComment on "Time-Dependent Density-Matrix Renormalization Group: A Systematic Method for the Study of Quantum Many-Body Out-of- Equilibrium Systems"
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