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pro vyhledávání: '"Banerjee, Rimi"'
Autor:
Banerjee, Rimi, Mandal, Subhaskar, Terh, Yun Yong, Lin, Shuxin, Liu, Gui-Geng, Zhang, Baile, Chong, Y. D.
We show that a non-Hermitian lattice with a disclination can host topological disclination states that are induced by on-site gain and loss. The disclination states are inherently non-Hermitian as they do not exist in the limit of zero gain/loss. The
Externí odkaz:
http://arxiv.org/abs/2406.03455
Autor:
Mandal, Subhaskar, Wang, Ziyao, Banerjee, Rimi, Teo, Hau Tian, Zhou, Peiheng, Xi, Xiang, Gao, Zhen, Liu, Gui-Geng, Zhang, Baile
Photonic Chern insulators can be implemented in gyromagnetic photonic crystals with broken time-reversal (TR) symmetry. They exhibit gapless chiral edge states (CESs), enabling unidirectional propagation and demonstrating exceptional resilience to lo
Externí odkaz:
http://arxiv.org/abs/2405.19267
Autor:
Banerjee, Rimi, Kumar, Abhishek, Caiwei, Thomas Tan, Gupta, Manoj, Jia, Ridong, Szriftgiser, Pascal, Ducournau, Guillaume, Chong, Yidong, Singh, Ranjan
Valley Hall photonic crystals (VPCs) offer the potential to create topological waveguides capable of guiding light through sharp bends on a chip. They can seamlessly integrate with functional components while occupying minimal space, making them a pr
Externí odkaz:
http://arxiv.org/abs/2311.05576
Autor:
Liu, Gui-Geng, Mandal, Subhaskar, Zhou, Peiheng, Xi, Xiang, Banerjee, Rimi, Hu, Yuan-Hang, Wei, Minggui, Wang, Maoren, Wang, Qiang, Gao, Zhen, Chen, Hongsheng, Yang, Yihao, Chong, Yidong, Zhang, Baile
Quantum Hall systems host chiral edge states extending along the one-dimensional boundary of any two-dimensional sample. In solid state materials, the edge states serve as perfectly robust transport channels that produce a quantised Hall conductance;
Externí odkaz:
http://arxiv.org/abs/2305.13139
We study a non-Hermitian variant of the (2+1)-dimensional Dirac wave equation, which hosts a real energy spectrum with pairwise-orthogonal eigenstates. In the spatially uniform case, the Hamiltonian's non-Hermitian symmetries allow its eigenstates to
Externí odkaz:
http://arxiv.org/abs/2304.10757
Publikováno v:
Phys. Rev. B 104, 195301 (2021)
Recent experiments have shown the transfer of orbital angular momentum (OAM) from a non-resonant laser onto an exciton-polariton condensate, despite earlier views that the phase information of such a laser should be lost during the process of polarit
Externí odkaz:
http://arxiv.org/abs/2205.04798
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Akademický článek
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