Media type: E-Article Title: Lattice versus continuum theory of the periodic Heisenberg chain Contributor: Bortz, Michael; Karbach, Michael; Schneider, Imke; Eggert, Sebastian Published: American Physical Society (APS), 2009 Published in: Physical Review B, 79 (2009) 24 Language: English DOI: 10.1103/physrevb.79.245414 ISSN: 1098-0121; 1550-235X Keywords: Condensed Matter Physics ; Electronic, Optical and Magnetic Materials Origination: Footnote: