Homogeneous and inhomogeneous magnetic phases of constrained dipolar bosons

M. Dalmonte; M. Di Dio; L. Barbiero; F. Ortolani

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Homogeneous and inhomogeneous magnetic phases of constrained dipolar bosons

机译：受约束偶极玻色子的均相和不均匀磁相

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We study the emergence of several magnetic phases in dipolar bosonic gases subject to the three-body loss mechanism employing numerical simulations based on the density matrix renormalization group (DMRG) algorithm. After mapping the original Hamiltonian in spin language, we find a strong parallelism between the bosonic theory and the spin-1 Heisenberg model with single-ion anisotropy and long-range interactions. A rich phase diagram, including ferromagnetic, antiferromagnetic, and nonlocal ordered phases, emerges in the one-dimensional case and is preserved even in the presence of a trapping potential.

机译：我们使用基于密度矩阵重归一化组（DMRG）算法的数值模拟研究了受三体损失机制影响的偶极玻色子气体中几个磁相的出现。在用自旋语言绘制了原始的哈密顿量后，我们发现玻色理论与自旋1海森堡模型之间具有强烈的平行性，具有单离子各向异性和远距离相互作用。一维情况下会出现丰富的相图，包括铁磁，反铁磁和非局部有序相，即使在存在俘获电势的情况下也能保留下来。

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来源
《Physical review》 |2011年第15期|p.155110.1-155110.9|共9页
作者
M. Dalmonte; M. Di Dio; L. Barbiero; F. Ortolani;
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作者单位

Dipartimento di Fisica dell'Universita di Bologna, via Irnerio 46, 1-40126 Bologna, Italy INFN, Sezione di Bologna, via Irnerio 46, 1-40126 Bologna, Italy IQOQI and Institute for Theoretical Physics, University of Innsbruck, A-6020 Innsbruck, Austria;

Dipartimento di Fisica dell'Universita di Bologna, via Irnerio 46, 1-40126 Bologna, Italy;

Dipartimento di Fisica del Politecnico, corso Duca degli Abruzzi 24,1-10129 Torino, Italy;

Dipartimento di Fisica dell'Universita di Bologna, via Irnerio 46, 1-40126 Bologna, Italy INFN, Sezione di Bologna, via Irnerio 46, 1-40126 Bologna, Italy;

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正文语种 eng
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renormalization group methods; spin chain models;

机译：重归一化组方法;自旋链模型;

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4. GROUND-STATE PROPERTIES OF A HOMOGENEOUS 2DSYSTEM OF BOSONS WITH DIPOLAR INTERACTIONS [C] . G. E. ASTRAKHARCHIK, J. BORONAT, J. CASULLERAS, International Conference on Recent Progress in Many-Body Theories . 2008

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7. Homogeneous and inhomogeneous magnetic phases of constrained dipolar bosons [O] . Dalmonte, M., Di Dio, M., Barbiero, L., 2011

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8. Spontaneous Inhomogeneous Phases in Ultracold Dipolar Fermi Gases [R] . Sun, K., Wu, C., Das Sarma, S. 2010

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Homogeneous and inhomogeneous magnetic phases of constrained dipolar bosons

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