论文标题
在手性孤子模型中缺乏真正的时间晶体
Lack of a genuine time crystal in a chiral soliton model
论文作者
论文摘要
在最近的出版物中[物理学。莱特牧师。 {\ bf 124}，178902]Öhbergand Wright声称，在手性孤子模型中，可以实现真正的时间晶体，该晶体与最低能量状态下不均匀概率密度的周期性演变相对应。我们表明，该结果是不正确的，并提出了一个溶液，该解决方案具有较低的能量，其概率密度不显示任何运动。这意味着作者的结论是，他们认为的系统中可以存在真正的时间晶体是不正确的。
In a recent publication [Phys. Rev. Lett. {\bf 124}, 178902] Öhberg and Wright claim that in a chiral soliton model it is possible to realize a genuine time crystal which corresponds to a periodic evolution of an inhomogeneous probability density in the lowest energy state. We show that this result is incorrect and present a solution which possesses lower energy with the corresponding probability density that does not reveal any motion. It implies that the authors' conclusion that a genuine time crystal can exist in the system they consider is not true.
