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首页> 外文期刊>Philosophical magazine, B. Physics of condensed matter, electronic, optical, and magnetic properties >Phase diagram regions deduced for strongly correlated systems via unitary transformation
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Phase diagram regions deduced for strongly correlated systems via unitary transformation

机译：通过unit变换为强相关系统推导的相图区域

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From known phase diagram regions of different model Hamiltonians describing strongly correlated systems we deduced new domains of the ground state phase diagram of the same models by a unitary transformation. Different types of extended Hubbard Hamiltonians were used for the starting point and the existence of new stable spin-density waves, charge-density waves, ferromagnetic states and a paramagnetic insulator is demonstrated. The procedure used is dimension independent. The ground state phase diagrams of several strongly correlated systems modelled by extended Hubbard-like Hamiltonians are analysed using unitary transformations. New stable spin-density wave, charge-density wave, ferromagnetic or paramagnetic insulator phases are obtained in different cases. The results are true in any dimensions. [References: 8]
机译：根据描述强相关系统的不同模型哈密顿量的已知相图区域，我们通过unit变换推导了相同模型的基态相图的新域。使用不同类型的扩展哈伯德哈密顿量作为起点，并证明了新的稳定自旋密度波，电荷密度波，铁磁态和顺磁绝缘子的存在。所使用的程序不受尺寸限制。使用unit变换分析了扩展的类似哈伯德式哈密顿量模型的几个强相关系统的基态相图。在不同情况下会获得新的稳定的自旋密度波，电荷密度波，铁磁或顺磁绝缘体相。任何尺寸的结果都是正确的。 [参考：8]

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