Symmetry-Agnostic Topology Optimization Framework for Photonic-Crystal Structures

Kavli Affiliate: Feng Wang | First 5 Authors: Aditya Bahulikar, Feng Wang, Mustafa Cenk Gursoy, Rodrick Kuate Defo, | Summary: We present a symmetry-agnostic topology optimization framework for photonic-crystal structures based on computation of the photonic density of states in a manner analogous to $Gamma$-point integration. We provide a generalization of the approach that allows […]


Continue.. Symmetry-Agnostic Topology Optimization Framework for Photonic-Crystal Structures

Coherently Coupled Carrier and Phonon Dynamics in Elemental Tellurium Probed by Few-Femtosecond Core-Level Transient Absorption

Kavli Affiliate: Peidong Yang | First 5 Authors: Jonah R. Adelman, Hugo Laurell, Lorenz Drescher, Han K. D. Le, Peidong Yang | Summary: The narrow bandgap semiconductor elemental tellurium (Te) has a unique electronic structure due to strong spin-orbit splitting and a lack of inversion symmetry of its helical lattice. Using broadband extreme ultraviolet core-level […]


Continue.. Coherently Coupled Carrier and Phonon Dynamics in Elemental Tellurium Probed by Few-Femtosecond Core-Level Transient Absorption

Numerical Analysis of Lensless Imaging with Active Metasurfaces and Single-Pixel Detectors

Kavli Affiliate: Harry A. Atwater | First 5 Authors: Julie Belleville, Prachi Thureja, Harry A. Atwater, , | Summary: We introduce a conceptual framework for a lensless imaging system which employs an active metasurface as a high-frequency, continuously tunable amplitude and phase modulation aperture, coupled to a discrete single-pixel detector. Using an array factor formalism, […]


Continue.. Numerical Analysis of Lensless Imaging with Active Metasurfaces and Single-Pixel Detectors

Real-time propagation of adaptive sampling selected configuration interaction wave function

Kavli Affiliate: Birgitta Whaley | First 5 Authors: Avijit Shee, Zhen Huang, Martin Head-Gordon, K. Birgitta Whaley, | Summary: We have developed a new time propagation method, time-dependent adaptive sampling configuration interaction (TD-ASCI), to describe the dynamics of a strongly correlated system. We employ the short iterative Lanczos (SIL) method as the time-integrator, which provides […]


Continue.. Real-time propagation of adaptive sampling selected configuration interaction wave function

Modeling Extensive Defects in Metals through Active Machine Learning and Automated Configuration Reconstruction

Kavli Affiliate: Wei Gao | First 5 Authors: Fei Shuang, Kai Liu, Yucheng Ji, Wei Gao, Luca Laurenti | Summary: Extended defects such as dislocation networks and complex grain boundaries are ubiquitous in metals, and accurately modeling these extensive defects is crucial for understanding their deformation mechanisms. Existing machine learning interatomic potentials (MLIPs) often fall […]


Continue.. Modeling Extensive Defects in Metals through Active Machine Learning and Automated Configuration Reconstruction

An Overview on IRS-Enabled Sensing and Communications for 6G: Architectures, Fundamental Limits, and Joint Beamforming Designs

Kavli Affiliate: Feng Wang | First 5 Authors: Xianxin Song, Yuan Fang, Feng Wang, Zixiang Ren, Xianghao Yu | Summary: This paper presents an overview on intelligent reflecting surface (IRS)-enabled sensing and communication for the forthcoming sixth-generation (6G) wireless networks, in which IRSs are strategically deployed to proactively reconfigure wireless environments to improve both sensing […]


Continue.. An Overview on IRS-Enabled Sensing and Communications for 6G: Architectures, Fundamental Limits, and Joint Beamforming Designs

ANCoEF: Asynchronous Neuromorphic Algorithm/Hardware Co-Exploration Framework with a Fully Asynchronous Simulator

Kavli Affiliate: Xiang Zhang | First 5 Authors: Jian Zhang, Xiang Zhang, Jingchen Huang, Jilin Zhang, Hong Chen | Summary: Developing asynchronous neuromorphic hardware to meet the demands of diverse real-life edge scenarios remains significant challenges. These challenges include constraints on hardware resources and power budgets while satisfying the requirements for real-time responsiveness, reliable inference […]


Continue.. ANCoEF: Asynchronous Neuromorphic Algorithm/Hardware Co-Exploration Framework with a Fully Asynchronous Simulator

High-field superconductivity from atomic-scale confinement and spin-orbit coupling at (111)$mathrm{LaAlO_3/KTaO_3}$ interfaces

Kavli Affiliate: Andrea D. Caviglia | First 5 Authors: Ulderico Filippozzi, Graham Kimbell, Davide Pizzirani, Siobhan McKeown Walker, Chiara Cocchi | Summary: We study the superconducting critical fields of two-dimensional electron systems at (111)$mathrm{LaAlO_3/KTaO_3}$ interfaces as a function of electrostatic back-gating. Our work reveals inplane critical fields of unprecedented magnitudes at oxide interfaces. By comparing […]


Continue.. High-field superconductivity from atomic-scale confinement and spin-orbit coupling at (111)$mathrm{LaAlO_3/KTaO_3}$ interfaces

Numerical investigation of quantum phases and phase transitions in a two-leg ladder of Rydberg atoms

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Jose Soto Garcia, Natalia Chepiga, , , | Summary: Experiments on chains of Rydberg atoms appear as a new playground to study quantum phase transitions in 1D. As a natural extension, we report a quantitative ground-state phase diagram of Rydberg atoms arranged in a two-leg ladder that […]


Continue.. Numerical investigation of quantum phases and phase transitions in a two-leg ladder of Rydberg atoms

DexH2R: Task-oriented Dexterous Manipulation from Human to Robots

Kavli Affiliate: Xiang Zhang | First 5 Authors: Shuqi Zhao, Xinghao Zhu, Yuxin Chen, Chenran Li, Xiang Zhang | Summary: Dexterous manipulation is a critical aspect of human capability, enabling interaction with a wide variety of objects. Recent advancements in learning from human demonstrations and teleoperation have enabled progress for robots in such ability. However, […]


Continue.. DexH2R: Task-oriented Dexterous Manipulation from Human to Robots