Modeling the inner part of M87 jet: confronting jet morphology with theory

Kavli Affiliate: Feng Yuan | First 5 Authors: Hai Yang, Feng Yuan, Hui Li, Yosuke Mizuno, Fan Guo | Summary: The formation of jets in black hole accretion systems is a long-standing problem. It has been proposed that a jet can be formed by extracting the rotation energy of the black hole ("BZ-jet") or the […]


Continue.. Modeling the inner part of M87 jet: confronting jet morphology with theory

Modeling the inner part of M87 jet: confronting jet morphology with theory

Kavli Affiliate: Luis C. Ho | First 5 Authors: Hai Yang, Feng Yuan, Hui Li, Yosuke Mizuno, Fan Guo | Summary: The formation of jets in black hole accretion systems is a long-standing problem. It has been proposed that a jet can be formed by extracting the rotation energy of the black hole ("BZ-jet") or […]


Continue.. Modeling the inner part of M87 jet: confronting jet morphology with theory

Gate-Tunable Spin-Orbit Coupling in a Germanium Hole Double Quantum Dot

Kavli Affiliate: Ke Wang | First 5 Authors: He Liu, Ting Zhang, Ke Wang, Fei Gao, Gang Xu | Summary: Hole spins confined in semiconductor quantum dot systems have gained considerable interest for their strong spin-orbit interactions (SOIs) and relatively weak hyperfine interactions. Here we experimentally demonstrate a tunable SOI in a double quantum dot […]


Continue.. Gate-Tunable Spin-Orbit Coupling in a Germanium Hole Double Quantum Dot

Electrically tunable second harmonic generation in atomically thin ReS2

Kavli Affiliate: Jing Wang | First 5 Authors: Jing Wang, Nannan Han, Zheng-Dong Luo, Mingwen Zhang, Xiaoqing Chen | Summary: Electrical tuning of second-order nonlinearity in optical materials is attractive to strengthen and expand the functionalities of nonlinear optical technologies, though its implementation remains elusive. Here, we report the electrically tunable second-order nonlinearity in atomically […]


Continue.. Electrically tunable second harmonic generation in atomically thin ReS2

Strong Second Harmonic Generation from Bilayer Graphene with Symmetry Breaking by Redox-Governed Charge Doping

Kavli Affiliate: Jing Wang | First 5 Authors: Mingwen Zhang, Nannan Han, Jing Wang, Zhihong Zhang, Kaihui Liu | Summary: Missing second-order nonlinearity in centrosymmetric graphene overshadows its intriguing optical attribute. Here, we report redox-governed charge doping could effectively break the centrosymmetry of bilayer graphene (BLG), enabling a strong second harmonic generation (SHG) with a […]


Continue.. Strong Second Harmonic Generation from Bilayer Graphene with Symmetry Breaking by Redox-Governed Charge Doping

The Mysterious Affair of the H$_2$ in AU Mic

Kavli Affiliate: Gregory Herczeg | First 5 Authors: Laura Flagg, Christopher Johns-Krull, Kevin France, Gregory Herczeg, Joan Najita | Summary: Molecular hydrogen is the most abundant molecule in the Galaxy and plays important roles for planets, their circumstellar environments, and many of their host stars. We have confirmed the presence of molecular hydrogen in the […]


Continue.. The Mysterious Affair of the H$_2$ in AU Mic

Accurate Scoliosis Vertebral Landmark Localization on X-ray Images via Shape-constrained Multi-stage Cascaded CNNs

Kavli Affiliate: Li Xin Li | First 5 Authors: Zhiwei Wang, Jinxin Lv, Yunqiao Yang, Yuanhuai Liang, Yi Lin | Summary: Vertebral landmark localization is a crucial step for variant spine-related clinical applications, which requires detecting the corner points of 17 vertebrae. However, the neighbor landmarks often disturb each other for the homogeneous appearance of […]


Continue.. Accurate Scoliosis Vertebral Landmark Localization on X-ray Images via Shape-constrained Multi-stage Cascaded CNNs

Artificial Intelligence Techniques for Next-Generation Mega Satellite Networks

Kavli Affiliate: Ke Wang | First 5 Authors: Bassel Al Homssi, Kosta Dakic, Ke Wang, Tansu Alpcan, Ben Allen | Summary: Space communications, particularly massive satellite networks, re-emerged as an appealing candidate for next generation networks due to major advances in space launching, electronics, processing power, and miniaturization. However, massive satellite networks rely on numerous […]


Continue.. Artificial Intelligence Techniques for Next-Generation Mega Satellite Networks

Two Candidate KH 15D-like Systems from the Zwicky Transient Facility

Kavli Affiliate: Subo Dong | First 5 Authors: Wei Zhu, Klaus Bernhard, Fei Dai, Min Fang, J. J. Zanazzi | Summary: KH 15D contains a circumbinary disk that is tilted relative to the orbital plane of the central binary. The precession of the disk and the orbital motion of the binary together produce rich phenomena […]


Continue.. Two Candidate KH 15D-like Systems from the Zwicky Transient Facility

Lesion classification by model-based feature extraction: A differential affine invariant model of soft tissue elasticity

Kavli Affiliate: Jing Wang | First 5 Authors: Weiguo Cao, Marc J. Pomeroy, Zhengrong Liang, Yongfeng Gao, Yongyi Shi | Summary: The elasticity of soft tissues has been widely considered as a characteristic property to differentiate between healthy and vicious tissues and, therefore, motivated several elasticity imaging modalities, such as Ultrasound Elastography, Magnetic Resonance Elastography, […]


Continue.. Lesion classification by model-based feature extraction: A differential affine invariant model of soft tissue elasticity