A novel class of translationally invariant spin chains with long-range interactions

B Basu-Mallick, F Finkel, A González-López - Journal of High Energy …, 2020 - Springer
A bstract We introduce a new class of open, translationally invariant spin chains with long-
range interactions depending on both spin permutation and (polarized) spin reversal …

[HTML][HTML] Appearance of branched motifs in the spectra of BCN type Polychronakos spin chains

B Basu-Mallick, M Sinha - Nuclear Physics B, 2020 - Elsevier
As is well known, energy levels appearing in the highly degenerate spectra of the AN− 1
type of Haldane-Shastry and Polychronakos spin chains can be classified through the …

Supersymmetric tJ models with long-range interactions: thermodynamics and criticality

B Basu-Mallick, N Bondyopadhaya… - Journal of Statistical …, 2019 - iopscience.iop.org
We analyze the thermodynamics and the critical behavior of the supersymmetric tJ model
with long-range interactions. Using the transfer matrix formalism, we obtain a closed-form …