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Showing 2015 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2015★ 14 cited
Magnetization process of spin-1/2 Heisenberg antiferromagnets on a layered triangular lattice
Daisuke Yamamoto, Giacomo Marmorini, Ippei Danshita
We study the magnetization process of the spin-1/2 antiferromagnetic Heisenberg model on a layered triangular lattice by means of a numerical cluster mean-field method with a scali…
cond-mat.str-el2015★ 15 cited
Umbrella-coplanar transition in the triangular XXZ model with arbitrary spin
Giacomo Marmorini, Daisuke Yamamoto, Ippei Danshita
The quantum triangular XXZ model has recently enjoyed a wealth of new theoretical results, especially in relation to the modeling of the BaCoSbO compound. In particular…
cond-mat.str-el2015★ 23 cited
Non-equilibrium properties of a pumped-decaying Bose-condensed electron-hole gas in the BCS-BEC crossover region
Ryo Hanai, Peter B. Littlewood, Yoji Ohashi
We theoretically investigate a Bose-condensed exciton gas out of equilibrium. Within the framework of the combined BCS-Leggett strong-coupling theory with the non-equilibrium Keldy…