227 citations · 949 across the 21 of their papers we have counts for
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Correlation density matrices for 1- dimensional quantum chains based on the density matrix renormalization group
W. Münder, A. Weichselbaum, A. Holzner +2
A useful concept for finding numerically the dominant correlations of a given ground state in an interacting quantum lattice system in an unbiased way is the correlation density ma…
Spontaneous Currents in Spinless Fermion Lattice Models at the Strong-Coupling Limit
Sumiran Pujari, C. L. Henley
What kind of lattice Hamiltonian manifestly has an ordered state with spontaneous orbital currents? We consider interacting spinless fermions on an array of square plaquettes, conn…
Correlation density matrix: an unbiased analysis of exact diagonalizations
Siew-Ann Cheong, C. L. Henley
Given the ground state wavefunction for an interacting lattice model, we define a "correlation density matrix"(CDM) for two disjoint, separated clusters and , to be the dens…
Frustrated minority spins in GeNi2O4
M. Matsuda, J. -H. Chung, S. Park +10
Recently, two consecutive phase transitions were observed, upon cooling, in an antiferromagnetic spinel GeNiO at K and K, respectively \cite{mat…
Stripes and holes in a two-dimensional model of spinless fermions and hardcore bosons
N. G. Zhang, C. L. Henley
We consider a Hubbard-like model of strongly-interacting spinless fermions and hardcore bosons on a square lattice, such that nearest neighbor occupation is forbidden. Stripes (lin…
Effective Hamiltonian and low-lying energy clustering patterns of four-sublattice antiferromagnets
N. G. Zhang, C. L. Henley, C. Rischel +1
We study the low-lying energy clustering patterns of quantum antiferromagnets with p sublattices (in particular p=4). We treat each sublattice as a large spin, and using second-ord…
Exact realization of SO(5) symmetry in extended Hubbard models
C. L. Henley
Zhang recently conjectured an approximate SO(5) symmetry relating antiferromagnetic and superconducting states in high-T_c cuprates. Here, an exact SO(5) symmetry is implemented in…