Specific heat of the quantum Heisenberg antiferromagnet on the kagomé lattice

Ken'Ichi Fukamachi, Hidetoshi Nishimori

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


We propose a numerical technique, the forced-oscillator method, to investigate finite-temperature properties of quantum spin systems. The space and time complexity of this method are linear in the matrix dimension, which should be compared with the square or quadratic dependence of conventional methods. We apply this method to calculations of the specific heat of the spin-1/2 quantum Heisenberg antiferromagnet on the kagome$iaa- lattice. We find only a single-peak in contrast to a double-peak structure claimed in the literature.

Original languageEnglish
Pages (from-to)651-654
Number of pages4
JournalPhysical Review B
Issue number1
Publication statusPublished - 1994 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics


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