全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Yidong Chong , A. Douglas Stone
来源:[J].Physical Review X(IF 6.711), 2013, Vol.3 (4)DOAJ
摘要:PT-symmetric scattering systems with balanced gain and loss can undergo a symmetry-breaking transition in which the eigenvalues of the nonunitary scattering matrix change their phase shifts from real to complex values. We relate the PT-symmetry-breaking points of such an unbounde...
作者:Jeremy Lim , Yidong Chong , Liang Jie Wong
来源:[J].New Journal of Physics(IF 4.063), 2019, Vol.21 (3)IOP
摘要:Ultrashort electron bunches are useful for applications like ultrafast imaging, coherent radiation production, and the design of compact electron accelerators. Currently, however, the shortest achievable bunches, at attosecond time scales, have only been realized in the sing...
作者:Yidong Chong , Daniel Leykam , Mikael C. Rechtsman
来源:[C].NanoScience + Engineering2016SPIE
摘要:Unpaired Dirac cones are bandstructures with two bands crossing at a single point in the Brillouin zone. It is known that photonic bandstructures can exhibit pairs of Dirac cones, similar to graphene; unpaired cones, however, have not observed in photonics, and have been observed...

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