MONTE CARLO STUDY OF LOW-TEMPERATURE PROPERTIES OF QUANTUM FERROMAGNETIC XY MODEL ON THE TRIANGULAR LATTICE Masako Takasu, Seiji Miyashita, Masuo Suzuki et Yasumasa Kanada J. Phys. Colloques, 49 C8 (1988) C8-1389-C8-1390 DOI: 10.1051/jphyscol:19888637