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A Bosonic Model of Hole Pairs
Th. Siller, M. Troyer, T. M. Rice +1
We numerically investigate a bosonic representation for hole pairs on a two-leg t-J ladder where hard core bosons on a chain represent the hole pairs on the ladder. The interaction…
Metal-insulator transition in the one-dimensional Holstein model at half filling
Eric Jeckelmann, Chunli Zhang, Steven R. White
We study the one-dimensional Holstein model with spin-1/2 electrons at half-filling. Ground state properties are calculated for long chains with great accuracy using the density ma…
Dynamical Correlation Functions using the Density Matrix Renormalization Group
Till D. Kuehner, Steven R. White
The density matrix renormalization group (DMRG) method allows for very precise calculations of ground state properties in low-dimensional strongly correlated systems. We investigat…
Ab Initio Quantum Chemistry using the Density Matrix Renormalization Group
Steven R. White, Richard L. Martin
In this paper we describe how the density matrix renormalization group (DMRG) can be used for quantum chemical calculations for molecules, as an alternative to traditional methods,…
Density matrix renormalization group study of the polaron problem in the Holstein model
Eric Jeckelmann, Steven R. White
We propose a new density matrix renormalization group (DMRG) approach to study lattices including bosons. The key to the new approach is an exact mapping of a boson site containing…
Ground State Phases of the Doped 4-Leg t-J Ladder
Steven R. White, D. J. Scalapino
Using density matrix renormalization group techniques, we have studied the ground state of the 4-leg t-J ladder doped near half-filling. Depending upon J/t and the hole doping x, t…