Dark Solitons in Holographic Superfluids

Dark Solitons in Holographic Superfluids
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DOI:
10.1103/physrevd.80.121901
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发表时间:
2009-06
期刊:
影响因子:
5
通讯作者:
V. Keranen;E. Keski-Vakkuri;S. Nowling;K. Yogendran
V. Keranen;E. Keski-Vakkuri;S. Nowling;K. Yogendran
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
V. Keranen;E. Keski-Vakkuri;S. Nowling;K. Yogendran

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在相对论性超流体的全息模型中构造了暗孤子解。我们研究了与凝聚体和电荷密度耗尽相关的长度尺度,发现这两个尺度的不同之处在于化学势的非平凡函数。通过调节化学势,研究了界面电荷密度耗尽的变化。
We construct dark soliton solutions in a holographic model of a relativistic superfluid. We study the length scales associated with the condensate and the charge density depletion, and find that the two scales differ by a nontrivial function of the chemical potential. By adjusting the chemical potential, we study the variation of the depletion of charge density at the interface.