Zobrazeno 1 - 10
of 3 432
pro vyhledávání: '"QI, Yi"'
Autor:
Wu, Qi-Yi, Zhang, Chen, Li, Bai-Zhuo, Liu, Hao, Song, Jiao-Jiao, Chen, Bo, Liu, Hai-Yun, Duan, Yu-Xia, He, Jun, Liu, Jun, Cao, Guang-Han, Meng, Jian-Qiao
The quasiparticle relaxation dynamics of the iron-based superconductor CsCa$_2$Fe$_4$As$_4$F$_2$ ($T_c$ $\sim$ 29 K) were investigated using ultrafast optical spectroscopy. A pseudogap ($\Delta_{PG}$ $\approx$ 3.3 meV) was observed to open below $T^{
Externí odkaz:
http://arxiv.org/abs/2410.16610
Autor:
Song, Jiao-Jiao, Wu, Qi-Yi, Zhang, Chen, Gilbertson, Steve M., Riseborough, Peter S., Rusz, Jan, Joyce, John J., Graham, Kevin S., Olson, Clifford G., Tobash, Paul H., Bauer, Eric D., Chen, Bo, Liu, Hao, Duan, Yu-Xia, Oppeneer, Peter M., Rodriguez, George, Durakiewicz, Tomasz, Meng, Jian-Qiao
This study investigates the 5$f$-electron-conduction electron hybridization process in the heavy fermion superconductor UPd$_2$Al$_3$ using a combination of angle-resolved photoemission spectroscopy (ARPES) and time-resolved photoemission spectroscop
Externí odkaz:
http://arxiv.org/abs/2409.07816
Autor:
Dong, Yi, Mu, Ronghui, Zhang, Yanghao, Sun, Siqi, Zhang, Tianle, Wu, Changshun, Jin, Gaojie, Qi, Yi, Hu, Jinwei, Meng, Jie, Bensalem, Saddek, Huang, Xiaowei
In the burgeoning field of Large Language Models (LLMs), developing a robust safety mechanism, colloquially known as "safeguards" or "guardrails", has become imperative to ensure the ethical use of LLMs within prescribed boundaries. This article prov
Externí odkaz:
http://arxiv.org/abs/2406.02622
Spiking Neural Network (SNN) is acknowledged as the next generation of Artificial Neural Network (ANN) and hold great promise in effectively processing spatial-temporal information. However, the choice of timestep becomes crucial as it significantly
Externí odkaz:
http://arxiv.org/abs/2405.00699
Autor:
Chen, Bo, Liu, Hao, Wu, Qi-Yi, Zhang, Chen, Ye, Xue-Qing, Zhao, Yin-Zou, Song, Jiao-Jiao, Tian, Xin-Yi, Tan, Ba-Lei, Liu, Zheng-Tai, Ye, Mao, Chen, Zhen-Hua, Huang, Yao-Bo, Shen, Da-Wei, Yuan, Ya-Hua, He, Jun, Duan, Yu-Xia, Meng, Jian-Qiao
Publikováno v:
Phys. Rev. B 110, L041120 (2024)
In this study, we investigate the electronic structure of a spin-triplet superconductor candidate CeRh$_2$As$_2$ using high-resolution angle-resolved photoemission spectroscopy and density functional theory calculations. Notably, Fermi surface nestin
Externí odkaz:
http://arxiv.org/abs/2403.14057
In hyperbolic background geometry, we investigate a generalized circle packing (including circles, horocycles and hypercycles) with conical singularities on a surface with boundary, which has a total geodesic curvature on each generalized circle of t
Externí odkaz:
http://arxiv.org/abs/2403.05777
Autor:
Dong, Yi, Mu, Ronghui, Jin, Gaojie, Qi, Yi, Hu, Jinwei, Zhao, Xingyu, Meng, Jie, Ruan, Wenjie, Huang, Xiaowei
As Large Language Models (LLMs) become more integrated into our daily lives, it is crucial to identify and mitigate their risks, especially when the risks can have profound impacts on human users and societies. Guardrails, which filter the inputs or
Externí odkaz:
http://arxiv.org/abs/2402.01822
Autor:
Liu, Hao, Wu, Qi-Yi, Zhang, Chen, Pang, Jie, Chen, Bo, Song, Jiao-Jiao, Duan, Yu-Xia, Yuan, Ya-Hua, Liu, Hai-Yun, Shu, Chuan-Cun, Xu, Yuan-Feng, Shi, You-Guo, Meng, Jian-Qiao
In this study, ultrafast optical spectroscopy was employed to elucidate the intricate topological features of EuIn$_2$As$_2$, a promising candidate for a magnetic topological-crystalline axion insulator. Our investigation, focusing on the real-time e
Externí odkaz:
http://arxiv.org/abs/2401.11386
Autor:
Song, Jiao-Jiao, Zhang, Chen, Wu, Qi-Yi, Zhao, Yin-Zou, Rusz, Jan, Joyce, John. J., Graham, Kevin. S., Riseborough, Peter, Olson, Clifford G., Liu, Hao, Chen, Bo, Yuan, Ya-Hua, Duan, Yu-Xia, Tobash, Paul H., Bauer, Eric D., Oppeneer, Peter M., Durakiewicz, Tomasz, Meng, Jian-Qiao
Publikováno v:
Phys. Rev. B 109, 205114 (2024)
We investigate the antiferromagnetic heavy fermion superconductor UPd$_2$Al$_3$, employing angle-resolved photoemission spectroscopy to unravel the complex electronic structure of its U 5f electrons. We observe unexpected characteristics that challen
Externí odkaz:
http://arxiv.org/abs/2401.03691
This paper investigates a generalized hyperbolic circle packing (including circles, horocycles or hypercycles) with respect to the total geodesic curvatures on the surface with boundary. We mainly focus on the existence and rigidity of circle packing
Externí odkaz:
http://arxiv.org/abs/2311.10528