| Autor: |
Dong, Zhaohui, Wu, Xiaoxiong, Yang, Yiwen, Yu, Penghong, Chen, Xianfeng, Yuan, Luqi |
| Zdroj: |
Nature Communications; 8/27/2024, Vol. 15 Issue 1, p1-12, 12p |
| Abstrakt: |
Temporal modulation recently draws great attentions in wave manipulations, with which one can introduce the concept of temporal multilayer structure, a temporal counterpart of spatially multilayer configurations. This kind of multilayer structure holds temporal interfaces in the time domain, which provides additional flexibility in temporal operations. Here we take this opportunity and propose to simulate a non-Abelian gauge field with a temporal multilayer structure in the discrete physical system. Two basic temporal operations, i.e., the folding/unfolding operation and the phase shift operation are used to design such a temporal multilayer structure, which hence can support noncommutative operations to realize the non-Abelian Aharonov-Bohm interference in the time domain. A two-/three-dimensional non-Abelian gauge field can be built, which may be further extended to higher dimensions. Our work therefore provides a unique platform enabling generalization of non-Abelian physics to arbitrary dimensions and offers a method for wave manipulations with temporal band engineering.The authors proposed a method for simulating non-Abelian Aharonov Bohm interferences with a temporal multilayer structure in the discrete physical system. Such a method for studying non-Abelian physics can be generalized to arbitrary dimensions. [ABSTRACT FROM AUTHOR] |
| Databáze: |
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