907 citations
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18 papers · 1 filter
Path-Integral Treatment of Quantum Bouncers
Yen Lee Loh, Chee Kwan Gan
The one-sided bouncer and the symmetric bouncer involve a one-dimensional particle in a piecewise linear potential. For such problems, the time-dependent quantum mechanical propaga…
Three-nodal surface phonons in solid-state materials: Theory and material realization
C. W. Xie, H. K. Yuan, Y. Liu +2
This year, Liu \textit{et al}. [Phys. Rev. B \textbf{104}, L041405 (2021)] proposed a new class of topological phonons (TPs; i.e., one-nodal surface (NS) phonons), which provides a…
Critical hybridization of skin modes in coupled non-Hermitian chains
S M Rafi-Ul-Islam, Zhuo Bin Siu, Haydar Sahin +2
Non-Hermitian topological systems exhibit a plethora of unusual topological phenomena that are absent in the Hermitian systems. One of these key features is the extreme eigenstate…
Unconventional node voltage accumulation in generalized topolectrical circuits with multiple asymmetric couplings
S M Rafi-Ul-Islam, Zhuo Bin Siu, Haydar Sahin +2
A non-Hermitian system is characterized by the violation of energy conservation. As a result of unbalanced gain or loss in the forward and backward directions due to non-reciprocal…
An Ethical Framework for Guiding the Development of Affectively-Aware Artificial Intelligence
Desmond C. Ong
The recent rapid advancements in artificial intelligence research and deployment have sparked more discussion about the potential ramifications of socially- and emotionally-intelli…
Quantum Nanophotonics in Two-Dimensional Materials
Antoine Reserbat-Plantey, Itai Epstein, Iacopo Torre +7
The field of 2D materials-based nanophotonics has been growing at a rapid pace, triggered by the ability to design nanophotonic systems with in situ control, unprecedented degrees…