On the spin-liquid phase of one-dimensional spin-1 bosons

We consider a model of one-dimensional spin-1 bosons with repulsive density-density interactions and antiferromagnetic exchange. We show that the low energy effective field theory is given by a spin-charge separated theory of a Tomonaga-Luttinger Hamiltonian and the O(3) non-linear sigma model descr...

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Những tác giả chính: Essler, F, Shlyapnikov, G, Tsvelik, A
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: Institute of Physics Publishing 2009