量子临界性和阿尔法/德尔塔之谜
Quantum Criticality and the Alpha/Delta Puzzle
摘要：
在本文中，我们提出了一个新的解释α-δ转变钚的基础上的锕系元素基态的演化作为自旋轨道耦合的函数和薄膜超导体在磁场的行为之间的类比。关键是在低载流子密度的金属中，自旋轨道相互作用产生了具有量子化自旋电流的低能类抛物孤子，其作用类似于薄膜超导体中的Abrikosov涡旋。在α-钚中，这些孤子形成有序的固体，而在杂质稳定的δ-钚中，它们形成成对的凝聚体。
英文摘要：
In this paper we suggest a novel explanation for the alpha-delta transition in plutonium based on an analogy between the evolution of the actinide ground state as a function of spin orbit coupling and the behaviour of thin film superconductors in a magnetic field. The key point is that in metals with a low carrier density spin-orbit interactions give rise to low energy monopole-like solitons with quantized spin currents, which play much the same role as Abrikosov vortices in thin film superconductors. In alpha-plutonium these solitons form an ordered solid, while in impurity stabilized delta-plutonium they form a pair condensate.
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