TY  - RPRT
TI  - Low-temperature thermodynamic study of the XY model using a self-consistent harmonic approximation.
AU  - AS Pires
PY  - 1996
DO  - 10.1103/physrevb.53.235
UR  - https://pubmed.ncbi.nlm.nih.gov/9981969/
ID  - 9981969
ER  -