腔光栅中的光子局域化和布洛赫对称性破缺
Photon localisation and Bloch symmetry breaking in luminal gratings
摘要：
在光栅中，以接近光速的速度行进，在较低的光栅速度下观察到的自由流动的流体状布洛赫波之间观察到对称性破缺过渡，并且在光速下，在光栅的每个周期中捕获并锁定到其速度的光的浓缩的局部化状态。我们介绍了一种新的技术，在这个政权的计算和使用它来研究的过渡，详细的临界指数，并在透射强度的周期性振荡中看到的预过渡政权。
英文摘要：
In gratings travelling at nearly the velocity of light a symmetry breaking transition is observed between free-flowing fluid-like Bloch waves observed at lower grating velocities and, at luminal velocities, condensed, localised states of light captured in each period of the grating and locked to its velocity. We introduce a new technique for calculating in this regime and use it to study the transition in detail shedding light on the critical exponents, and the periodic oscillations in transmitted intensity seen in the pre-transition regime.
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