Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Cheng-Ping Zhang"'
Autor:
Christian Tzschaschel, Jian-Xiang Qiu, Xue-Jian Gao, Hou-Chen Li, Chunyu Guo, Hung-Yu Yang, Cheng-Ping Zhang, Ying-Ming Xie, Yu-Fei Liu, Anyuan Gao, Damien Bérubé, Thao Dinh, Sheng-Chin Ho, Yuqiang Fang, Fuqiang Huang, Johanna Nordlander, Qiong Ma, Fazel Tafti, Philip J. W. Moll, Kam Tuen Law, Su-Yang Xu
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Diode effects are of great interest for both fundamental physics and modern technologies. Electrical diode effects (nonreciprocal transport) have been observed in Weyl systems. Optical diode effects arising from the Weyl fermions have been t
Externí odkaz:
https://doaj.org/article/e59aa9a65f57418caf836c94fb40a643
Autor:
Xiu Fang Lu, Cheng-Ping Zhang, Naizhou Wang, Dan Zhao, Xin Zhou, Weibo Gao, Xian Hui Chen, K. T. Law, Kian Ping Loh
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract Materials showing second-order nonlinear transport under time reversal symmetry can be used for Radio Frequency (RF) rectification, but practical application demands room temperature operation and sensitivity to microwatts level RF signals i
Externí odkaz:
https://doaj.org/article/1a2e237a0656479e8d8b9552adc1b062
Publikováno v:
Communications Physics, Vol 5, Iss 1, Pp 1-6 (2022)
The nonlinear Hall effect describes a recently discovered phenomenon in which a time-reversal symmetric material with a Berry curvature dipole develops a transverse voltage at double the frequency of an applied current. Here, the authors theoreticall
Externí odkaz:
https://doaj.org/article/f131574355fa47b281c60fb12cd36cec
Autor:
Ying-Ming Xie, Xue-Jian Gao, Xiao Yan Xu, Cheng-Ping Zhang, Jin-Xin Hu, Jason Z. Gao, K. T. Law
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Chiral crystals with spin-orbit coupling (SOC) termed Kramers Weyl semimetals possess Weyl points at time-reversal invariant momenta. Here, the authors propose a new class of topological materials with doubly degenerate lines connecting time-reversal
Externí odkaz:
https://doaj.org/article/32001cb654fc4a84b28dd42734ff10d8
Autor:
Cheng-Ping Zhang, Jiewen Xiao, Benjamin T. Zhou, Jin-Xin Hu, Ying-Ming Xie, Binghai Yan, K. T. Law
Publikováno v:
Physical Review B. 106
Recent studies have shown that moir\'{e} flat bands in a twisted bilayer graphene(TBG) can acquire nontrivial Berry curvatures when aligned with hexagonal boron nitride substrate [1, 2], which can be manifested as a correlated Chern insulator near th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3a99fd72d439060a616664af2db8a9d
https://doi.org/10.1103/physrevb.106.l041111
https://doi.org/10.1103/physrevb.106.l041111
Publikováno v:
Physical Review Letters. 128
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47803ddc360211ba0f9ca5db8027f2f5
https://doi.org/10.1103/physrevlett.128.026402
https://doi.org/10.1103/physrevlett.128.026402
In recent years, it has been shown that Berry curvature monopoles and dipoles play essential roles in the anomalous Hall effect and the nonlinear Hall effect respectively. In this work, we demonstrate that Berry curvature multipoles (the higher momen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8554f0d72e24b0b3eb416882887eb1c5
http://arxiv.org/abs/2012.15628
http://arxiv.org/abs/2012.15628
Autor:
Cheng-Ping Zhang, Jason Z. Gao, Kam Tuen Law, Xiao Yan Xu, Xue-Jian Gao, Yingming Xie, Jin-Xin Hu
Publikováno v:
Nature Communications
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Recently, it was pointed out that all chiral crystals with spin-orbit coupling (SOC) can be Kramers Weyl semimetals (KWSs) which possess Weyl points pinned at time-reversal invariant momenta. In this work, we show that all achiral non-centrosymmetric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc5ef79e771d78bc89be5cb5936595d2
http://arxiv.org/abs/2008.03967
http://arxiv.org/abs/2008.03967
Recently, it has been pointed out that the twisting of bilayer WSe$_2$ would generate topologically non-trivial flat bands near the Fermi energy. In this work, we show that twisted bilayer WSe$_2$ (tWSe$_2$) with uniaxial strain exhibits a large nonl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8571597a22ec97862928a7f2df06f22a
http://arxiv.org/abs/2004.14140
http://arxiv.org/abs/2004.14140
Publikováno v:
Physical Review Applied. 13
Recently, signatures of nonlinear Hall effects induced by Berry-curvature dipoles have been found in atomically thin 1T'/Td-WTe$_2$. In this work, we show that in strained polar transition-metal dichalcogenides(TMDs) with 2H-structures, Berry-curvatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc38774db05da99d28be2111a9c8dcdc
https://doi.org/10.1103/physrevapplied.13.024053
https://doi.org/10.1103/physrevapplied.13.024053