Fermionic Quantization of Hopf Solitons

Fermionic Quantization of Hopf Solitons
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霍普夫孤子的费米子量子化

DOI:
10.1007/s00220-005-1469-4
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发表时间:
2005
影响因子:
2.4
通讯作者:
Martin Speight
Martin Speight
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Steffen Krusch;Martin Speight

文献摘要

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在本文中,我们展示了如何使用Finkelstein-Rubinstein方法量化Hopf孤子。如果Hopf电荷为奇数,那么Hopf孤子可以被量子化为费米子。经典最小能量组态的对称性在组态空间中产生环路,从而引起对波函数的约束。这些约束取决于给定的循环是否可收缩。我们的方法是利用Hopf振动提供的faddev -Hopf和Skyrme模型的构形空间之间的关系。然后,我们使用Skyrme模型中的最新结果来确定循环是否可收缩。我们讨论了Hopf电荷Q=7之前可能的量子基态。
In this paper we show how to quantize Hopf solitons using the Finkelstein-Rubinstein approach. Hopf solitons can be quantized as fermions if their Hopf charge is odd. Symmetries of classical minimal energy configurations induce loops in configuration space which give rise to constraints on the wave function. These constraints depend on whether the given loop is contractible. Our method is to exploit the relationship between the configuration spaces of the Faddeev-Hopf and Skyrme models provided by the Hopf fibration. We then use recent results in the Skyrme model to determine whether loops are contractible. We discuss possible quantum ground states up to Hopf charge Q=7.