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arXiv 1506.01595math-phhep-thmath.MPnlin.SIquant-ph
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拟可积模型中的PT对称性

PT-symmetry in quasi-integrable models

P. E. G. Assis

摘要:

我们加强了几乎稳定的散射不可积模型的观察,并表明,$\mathcal{PT}$ -对称性可以作为一个指导原则,选择相关的系统,也当它涉及到可积性属性。我们表明,在经典场论中存在的未破缺的$\mathcal{PT}$对称性产生准可积激发与渐近保守的费用。

英文摘要:

We reinforce the observations of almost stable scattering in nonintegrable models and show that $\mathcal{PT}$-symmetry can be used as a guiding principle to select relevant systems also when it comes to integrability properties. We show that the presence of unbroken $\mathcal{PT}$-symmetry in classical field theories produces quasi-integrable excitations with asymptotically conserved charges.

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