supported by the National Basic Research Program of China(973 Program)(No.2014CB340000);the National Natural Science Foundations of China(Nos.61323001,61490715,51403244,and 11304401);the Natural Science Foundation of Guangdong Province(No.2014A030313104)
Light fields with extraordinary propagation behaviors, such as nondiffracting and self-bending, are useful in the optical delivery of energy, information, and even objects. A kind of helical beam is constructed here b...
Supported by the National Basic Research Program of China(973 Program)under Grant No.2013CB934001;the State Key Laboratory of Software Development Environment under Grant No.SKLSDE-2013ZX-28
We investigate theoretically the intervalley charge density oscillation and the screened ionic potential in graphene caused by the intervalley scattering. We demonstrate that the contribution from the intervalley scat...