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Inhomogeneous current states in a gauged two-component Ginzburg-Landau model

机译:规范的两分量Ginzburg-Landau模型中的不均匀电流状态

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We consider the energy bounds of inhomogeneous current states in doped antiferromagnetic insulators in the framework of the two-component Ginzburg Landau model. Using the formulation of this model in terms of the gauge-invariant order parameters (the unit vector n, spin stiffness field rho(2), and particle momentum 4 we show that this strongly correlated electron system involves a geometric small parameter that determines the degree of packing in the knots of filament manifolds of the order parameter distributions for the spin and charge degrees of freedom. We find that as the doping degree decreases, the filament density increases, resulting in a transition to an inhomogeneous current state with a free energy gain.
机译:我们在两分量Ginzburg Landau模型的框架内,考虑了掺杂反铁磁绝缘子中非均匀电流状态的能限。使用规范不变的阶次参数(单位矢量n,自旋刚度场rho(2)和粒子动量4)表示该模型,我们表明这种高度相关的电子系统包含一个几何小参数,可确定度自旋和电荷自由度的阶数参数分布的灯丝歧管结中的填充量,我们发现,随着掺杂程度的降低,灯丝密度增加,从而导致转变为具有自由能的非均匀电流状态。

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