Article
Physics, Nuclear
Ibuki Terashima, Tetsuo Hyodo
Summary: This article studies the properties of hadron-hadron and quark-antiquark potentials from the perspective of channel coupling. The results show that, for finite quark masses, the coupling to the two-hadron continuum leads to the imaginary part of the quark-antiquark potential. Furthermore, eliminating different degrees of freedom induces nonlocality and energy dependence in the effective potentials.
Article
Physics, Multidisciplinary
Jeremy R. Green, Andrew D. Hanlon, Parikshit M. Junnarkar, Hartmut Wittig
Summary: This study presents the first exploration of baryon-baryon interactions in the continuum limit of lattice QCD, revealing unexpectedly large lattice artifacts impacting the binding energy. By applying variational methods and Luscher's finite-volume quantization conditions, scattering phase shifts can be determined from the spectrum, leading to an estimate of the binding energy of the H dibaryon in three-flavor QCD.
PHYSICAL REVIEW LETTERS
(2021)
Article
Materials Science, Multidisciplinary
Ruijie Qian, S. T. Chui, Zhenghua An, Hongtao Xu, Zhifang Lin, Jian Zi, Wei Lu
Summary: The study revealed that the charge density and electromagnetic field in metallic structures have randomly changing components, affecting the signal to noise ratio in sensors, with the development of nanotechnology leading to smaller sensors. The non-uniform spatial distribution of fluctuations and abrupt changes in magnitude as structure size varies were unexpected findings that provide insights into fundamental physics and can aid in device design improvements.
Article
Multidisciplinary Sciences
Eddie Nijholt, Jorge Luis Ocampo-Espindola, Deniz Eroglu, Istvan Z. Kiss, Tiago Pereira
Summary: Studies have shown that hypernetworks can spontaneously emerge even in the presence of pairwise nonlinear coupling, given certain triplet frequency resonance conditions.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Ping Hu, Hui Zhang, Aolin Li, Liping Sheng, Junjie Jiang, Yue Yu, Wenqiang Huang, Shouheng Li, Han Huang, Jinshan Yu, Haifeng Cheng, Liqiu Mao, Shanshan Wang, Fangping Ouyang, Jin Zhang
Summary: The lateral shape and vertical thickness engineering of 2D ReS2 was achieved by tailoring the growth temperature and substrate symmetry. The increase in temperature induced an isotropic-to-anisotropic transition of domain shapes and a decrease in domain thickness, enhancing the electrocatalytic performance. The substrate rotational symmetry determined the shape anisotropy of polycrystalline ReS2, leading to highly oriented domains synthesized on different symmetry substrates. Various stacking configurations in bilayers were observed, some of which showed potential in photovoltaics as type-II band alignment.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Astronomy & Astrophysics
S. S. Agaev, K. Azizi, H. Sundu
Summary: We investigate the hidden charm-strange scalar tetraquark cc over bar ss over bar by calculating its spectral parameters and width, and compare the results with the recently discovered resonance X(3960) in the LHCb experiment. We model the tetraquark as a diquark-antidiquark state X = [cs][c over bar s over bar ] with spin-parities JPC = 0++. The mass and current coupling of X are calculated using QCD two-point sum rules, and the width is estimated via decay channels X -> D+s D-s and X -> eta c eta(0). Comparing the obtained results with experimental data, we conclude that the resonance X(3960) can be considered as a candidate to a scalar diquark-antidiquark state.
Article
Chemistry, Multidisciplinary
Yangfei Gao, Wenjing Qiao, Xiaojie Lou, Zizheng Song, Xiaopei Zhu, Liqiang He, Bian Yang, Yanhua Hu, Jinyou Shao, Danyang Wang, Zibin Chen, Shujun Zhang
Summary: This study presents a TTBs relaxor ferroelectric ceramic with ultrahigh recoverable energy density and efficiency. The ceramic exhibits remarkable stability against frequency, temperature, and cycling electric field, and the introduction of Sm3+ doping creates weakly coupled polar nanoregions.
ADVANCED MATERIALS
(2023)
Article
Multidisciplinary Sciences
Xiaomeng Liu, J. I. A. Li, Kenji Watanabe, Takashi Taniguchi, James Hone, Bertrand Halperin, Philip Kim, Cory R. Dean
Summary: We have studied the transition between two bosonic quantum condensate phases in a solid-state system using magneto-exciton condensates in graphene double layers.
Article
Chemistry, Physical
Anjay Manian, Francesco Campaioli, Rohan J. Hudson, Jared H. Cole, Timothy W. Schmidt, Igor Lyskov, Trevor A. Smith, Salvy P. Russo
Summary: The role of charge transfer states in multi-exciton mechanisms is difficult to model accurately, but the intermolecular packing has been shown to heavily influence these mechanisms. By studying a gas phase perylene dimer, it was found that displaced geometries yield large charge transfer contributions for singlet fission, while triplet-triplet annihilation charge transfer couplings are weak. Slipping of the dimer cofacial geometry is beneficial to both charge transfer-mediated processes within a wavefunction overlap scheme. The results provide insights into singlet fission and can guide further investigations in this field.
CHEMISTRY OF MATERIALS
(2023)
Article
Acoustics
Mohamed Amin Ben Lassoued, Annie Ross, Guilhem Michon
Summary: This article proposes a new understanding of the localization phenomena that occur in various fields, ranging from structural dynamics to biomechanics. The study uses two types of turning point phenomena to explain different types of localization observed in mechanical systems. By introducing parameter gradient in a system composed of coupled oscillators, the influence of mass, stiffness, and coupling on localization is distinguished. The study shows that depending on the parameters and gradient values, two types of turning points may occur, which can combine to produce different patterns of localization in the system. These patterns are analyzed in relation to different localization phenomena in the literature.
JOURNAL OF SOUND AND VIBRATION
(2023)
Article
Astronomy & Astrophysics
Ulas Ozdem
Summary: The magnetic moments of vector hidden-charmed tetraquark states are determined using light-cone sum rules, and their consistency can be checked by various methods. The magnetic moments of hadrons provide useful knowledge about their geometrical shapes.
Article
Optics
Ruiting Cheng, Qichen He, Mingqing Zuo, Yu Yang, Chuyu Peng, Zhangyuan Chen, Yongqi He, Juhao Li
Summary: A novel index perturbation method is proposed to adjust both effective index and chromatic dispersion of each mode in a multiple-ring-core few-mode fiber (MRC-FMF), enabling the design and fabrication of a weakly-coupled low-CD MRC-FMF supporting 4 linearly-polarized (LP) modes. Experimental results demonstrate stable digital-signal-processing (DSP)-free IM/DD transmission for all the 4 LP modes, benefiting the application of short-reach weakly-coupled mode division multiplexing (MDM) systems.
Article
Mathematics, Interdisciplinary Applications
Li Cui, Wenhui Luo, Qingli Ou
Summary: This paper discusses the basin of attraction characteristic of two coupled chaotic systems, showing that the attractors of the coupled systems are attractors in the sense of Milnor, and revealing rich dynamic behavior and multi-stability when hiding attractors in the system.
CHAOS SOLITONS & FRACTALS
(2021)
Article
Engineering, Electrical & Electronic
Adolfo V. T. Cartaxo, Jose A. P. Morgado
Summary: A closed-form expression is proposed for evaluating mean inter-core crosstalk (ICXT) power in weakly-coupled multi-core fibers, showing improved accuracy compared to the existing expression by Koshiba. The proposed expression predicts a significant influence of the twisting period on the mean ICXT power, in qualitative agreement with experimental results reported by other authors.
JOURNAL OF LIGHTWAVE TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Jie Chen, Fengwei Chen, Xuemin Wang, Yunhao Zhao, Yuyang Wu, Qingchen Cao, Tao Jiang, Keyu Li, Yang Li, Jincang Zhang, Weidong Wu, Renchao Che
Summary: In this study, two different-structured quantum cascade detectors (QCDs) were prepared, and the detectivity reached 10(9) cm center dot Hz(1/2)/W at room temperature. By fitting the overlap integral (OI) and oscillator strength (OS) between different energy levels under a series of applied biases, the influence of energy level interaction on the response performance was revealed. The redistribution of electrons in the cascade structure at room temperatures was established. The coupled doped-well QCD showed even better responsivity and detectivity, providing a novel strategy to understand the mechanisms that affect response performance and expand the application range of QCDs for long-wave infrared (LWIR) detection.
