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The problem Hamiltonian of the adiabatic quantum algorithm for the maximum-weight independent set problem (MIS) that is based on the reduction to the Ising problem has flexible parameters. We show tha...
In this paper we consider the quantum phase transition in the Ising model in the presence of a transverse field in one, two and three dimensions from a multi-partite entanglement point of view. Usin...
It is known that arrays of trapped ions can be used to efficiently simulate a variety of many-body quantum systems. Here, we show how it is possible to build a model representing a spin chain interact...
The decoherence induced on a single qubit by its interaction with the environment is studied. The environment is modelled as a scalar two-level boson system that can go through either first order or c...
We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal dynamics. We explore how the decoherence process is affected by the presenc...
We show that a Dicke-type pseudo-hermitian Hamiltonian undergoes quantum phase transition by mapping it to the "Dressed Dicke Model" through a similarity transformation. We find the positive-definite ...
2007Vol.47No.3pp.467-470DOI: Quantum Phase Transition in Two Species of Cold Bosonic Atoms YU Zhao-Xian,1,2,3 LIANG Jiu-Qing,1 JIAO Zhi-Yong,3 and WANG Ji-Suo4 1 Institu...
2007Vol.47No.1pp.171-180DOI: Quantum Phase Transition in Quasi-two-dimensional Heisenberg Antiferromagnet with Single-Ion Anisotropy JI An-Chun and TIAN Guang-Shan Schoo...
期刊信息 篇名 Quantum phase transition of condensed bosons in optical lattices 语种 英文 撰写或编译 作者 J.J. Liang,J.Q. Liang,W.M. Liu 第一作者单位 刊物名称 Phys. Rev 页面 A68, 043605 (2003). 出版日期 2003年 月 日 文章标识(ISSN) 相关项目 玻色-爱因...

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