Abstract
For a two-dimensional system of coupled oscillators, the spectra of reduced density matrices can be obtained analytically. This provides an example where the features of these quantities, which are of central importance in numerical studies using the density-matrix renormalization-group method, can be seen
- Received 13 April 2000
DOI:https://doi.org/10.1103/PhysRevB.62.4191
©2000 American Physical Society
