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相关论文: A Method for Generating Closely Packed Orbital She…

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The formation of supershells observed in large metal clusters can be qualitatively understood from a periodic-orbit-expansion for a spherical cavity. To describe the changes in the supershell structure for different materials, one has,…

介观与纳米尺度物理 · 物理学 2009-10-31 Erik Koch

Secular perturbations from binary stars and distant massive planets can drive cold planets onto nearly parabolic orbits with pericenter passages extremely close to their host stars. Meanwhile, short-period super-Earths are frequently…

地球与行星天体物理 · 物理学 2026-04-22 Xiaochen Zheng , Zhuoya Cao , Shigeru Ida , Douglas N. C. Lin , Shude Mao

Five time-dependent orbital optimized coupled-cluster (TD-ooCC) methods, of which four can converge to the complete active space self-consistent-field method, are presented for fermion-mixtures with arbitrary fermion kinds and numbers.…

化学物理 · 物理学 2024-07-08 Haifeng Lang , Takeshi Sato

Crystal generative models have shown rapid progress for accelerating the discovery of bulk, periodic materials. However, many material systems such as 2D superconductors, thin film semiconductors, and catalytic surfaces are diperiodic,…

材料科学 · 物理学 2026-05-12 Rees Chang , Andrew Novick , Ryan P Adams , Elif Ertekin

Low Earth orbit (LEO) satellites play an essential role in intelligent Earth observation by leveraging artificial intelligence models. However, limited onboard memory and excessive inference delay prevent the practical deployment of large…

分布式、并行与集群计算 · 计算机科学 2026-04-07 Songge Zhang , Wen Wu , Liang Li , Ye Wang , Xuemin , Shen

We exploit the long-ranged elastic fields inherent to confined nematic liquid crystals to assemble colloidal particles trapped at the liquid crystal interface into reconfigurable structures with complex symmetries and packings. Spherical…

While collisional accumulation is nearly universally accepted as the formation mechanism of rock and ice worlds, the situation regarding gas giant planet formation is more nuanced. Gas accretion by solid cores formed by collisional…

地球与行星天体物理 · 物理学 2021-12-22 Alan P. Boss

Terrestrial network limitations drive the integration of non-terrestrial networks (NTNs), notably mega-constellations comprising thousands of low Earth orbit (LEO) satellites. While these satellites act as interconnected network switches…

机器学习 · 计算机科学 2026-05-01 Sivaram Krishnan , Bassel Al Homssi , Zhouyou Gu , Jihong Park , Sung-Min Oh , Jinho Choi

We investigate a multi-low Earth orbit (LEO) satellite system that simultaneously provides positioning and communication services to terrestrial user terminals. To address the challenges of accurately acquiring channel state information in…

信号处理 · 电气工程与系统科学 2026-01-21 Yuchen Zhang , Pinjun Zheng , Jie Ma , Henk Wymeersch , Tareq Y. Al-Naffouri

In solids, crystal field splitting refers to the lifting of atomic orbital degeneracy by the surrounding ions through the static electric field. Similarly, we show that the degenerated $d$ orbitals, which were derived in the harmonic…

强关联电子 · 物理学 2018-12-18 Hua Chen , X. C. Xie

Ultracold atoms loaded into higher Bloch bands provide an elegant setting for realizing many-body quantum states that spontaneously break time-reversal symmetry through the formation of chiral orbital order. The applicability of this…

量子气体 · 物理学 2023-09-01 Marco Di Liberto , Nathan Goldman

We present the study of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) pairing states in the $p$-orbital bands in both two and three-dimensional optical lattices. Due to the quasi one-dimensional band structure which arises from the…

量子气体 · 物理学 2011-07-01 Zi Cai , Yupeng Wang , Congjun Wu

Arctic regions, such as northern Canada, face significant challenges in achieving consistent connectivity and low-latency computing services due to the sparse coverage of Low Earth Orbit (LEO) satellites. To enhance service reliability in…

信号处理 · 电气工程与系统科学 2025-11-25 Mohammed Almekhlafi , Antoine Lesage-Landry , Gunes Karabulut Kurt

We present equations for the gravitational lensing flexion expected for an elliptical lens mass distribution. These can be reduced to one-dimensional finite integrals, thus saving significant computing time over a full two-dimensional…

宇宙学与河外天体物理 · 物理学 2015-05-13 A. J. Hawken , S. L. Bridle

Low Earth orbit (LEO) satellites are leveraged to support new position, navigation, and timing (PNT) service alternatives to GNSS. These alternatives require accurate propagation of satellite position and velocity with a realistic…

机器学习 · 计算机科学 2026-02-20 Alex Moody , Penina Axelrad , Rebecca Russell

Soft spheres interacting via a hard core and range of attractive and repulsive "soft-shoulder" potentials self-assemble into clusters forming a variety of mesophases. We combine a mean field theory developed from a lattice model with a…

软凝聚态物质 · 物理学 2009-12-21 Homin Shin , Gregory M. Grason , Christian D. Santangelo

Small spacecraft now have precise attitude control systems available commercially, allowing them to slew in 3 degrees of freedom, and capture images within short notice. When combined with appropriate software, this agility can…

系统与控制 · 电气工程与系统科学 2020-10-21 Sreeja Nag , Alan S. Li , Vinay Ravindra , Marc Sanchez Net , Kar-Ming Cheung , Rod Lammers , Brian Bledsoe

We investigate the planetary migration of low-mass planets ($M_p\in[1,15]M_\oplus$, here $M_\oplus$ is the Earth mass) in a gaseous disc containing a previously formed gap. We perform high-resolution 3D simulations with the FARGO3D code. To…

地球与行星天体物理 · 物理学 2024-06-19 Raúl O. Chametla , F. J. Sánchez-Salcedo , Mauricio Reyes-Ruiz , Carlos Carrasco-González , Ondrej Chrenko

We assemble charged colloidal spheres at deliberately chosen locations on a charged unstructured glass substrate utilizing ion exchange based electro-osmotic micro-pumps. Using microscopy, a simple scaling theory and Brownian Dynamics…

We investigate the utility of the 3-dimensional Two-Point Correlation Function (3D 2PCF) in quantifying substructure in the stellar halo of the Milky Way, particularly as a means of constraining the accretion history of our Galaxy. We use…

星系天体物理 · 物理学 2019-01-23 Lachlan Lancaster , Vasily Belokurov , N. Wyn Evans
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