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Dynamical properties of the one-dimensional Holstein model
Chunli Zhang, Eric Jeckelmann, Steven R. White
The spectral weight functions and the optical conductivity of the Holstein model are studied on a one-dimensional six-site lattice with periodic boundary conditions for three diffe…
Competition Between Stripes and Pairing in a t-t'-J Model
Steven R. White, D. J. Scalapino
As the number of legs n of an n-leg, t-J ladder increases, density matrix renormalization group calculations have shown that the doped state tends to be characterized by a static a…
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,…
Compact, orthogonal, and complete basis sets for solving the Schrodinger equation
Steven R. White
We present a new type of basis set which is local, compact, and orthogonal. The basis functions, called orthlets, are centered at the sites of a lattice and are specifically adapte…
The Superconducting Condensation Energy and an Antiferromagnetic Exchange Based Pairing Mechanism
D. J. Scalapino, Steven R. White
For the traditional low T_c superconductors, the superconducting condensation energy is proportional to the change in energy of the ionic lattice between the normal and superconduc…