论文标题
在紧密结合链中相互作用的玻色颗粒的弹道传输
Ballistic transport of interacting Bose particles in the tight-binding chain
论文作者
论文摘要
众所周知，在电流不取决于链长的意义上，非相互结合链中非相互作用的玻璃颗粒在紧密结合链上的量子转运是弹道的。我们解决了一个问题，强烈相互作用的玻色子的运输是否也可以弹道。我们发现了这样的制度，并表明它与局部非线性振荡器的同步运动相对应。还认为，与非相互作用玻色子的情况不同，负责相互作用玻色子的弹道运输的运输状态是可稳定的，即当前的衰减。获得衰减时间的估计值。
It is known that quantum transport of non-interacting Bose particles across the tight-binding chain is ballistic in the sense that the current does not depend on the chain length. We address the question whether the transport of strongly interacting bosons can be ballistic as well. We find such a regime and show that, classically, it corresponds to the synchronized motion of local non-linear oscillators. It is also argued that, unlike the case of non-interacting bosons, the transporting state responsible for the ballistic transport of interacting bosons is metastable, i.e., the current decays in course of time. An estimate for the decay time is obtained.
