改进的Ginzburg-Landau技术
The improved Ginzburg-Landau technique
摘要：
我们讨论了一种创新的方法，旨在改善标准的金朗道展开的非均匀相的描述。该方法的特点是两个关键要素。第一个是序参量的移动平均值，该序参量被设计为考虑冷凝物的长波长调制。第二个是高频模式的总和，以改善对恢复相位的相变的描述。该方法被应用于比较的自由能的一维和二维非均匀结构中出现的手征对称破缺相。
英文摘要：
We discuss an innovative method for the description of inhomogeneous phases designed to improve the standard Ginzburg-Landau expansion. The method is characterized by two key ingredients. The first one is a moving average of the order parameter designed to account for the long-wavelength modulations of the condensate. The second one is a sum of the high frequency modes, to improve the description of the phase transition to the restored phase. The method is applied to compare the free energies of 1D and 2D inhomogeneous structures arising in the chirally symmetric broken phase.
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