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With the goal of increasing the speed and efficiency in robotic manipulation, a control approach is presented that aims to utilize intentional simultaneous impacts to its advantage. This approach exploits the concept of the time-invariant…

Robotics · Computer Science 2024-11-18 Jari van Steen , Nathan van de Wouw , Alessandro Saccon

Trapped matter-wave interferometers (TMIs) present a platform for precision sensing within a compact apparatus, extending coherence time by repeated traversal of a confining potential. However, imperfections in this potential can introduce…

Atomic Physics · Physics 2020-01-08 Adam D. West

Consensus algorithms on networks have received increasing attention in recent years for various applications ranging from animal flocking to multi-vehicle co-ordination. Building on the established model for second-order consensus of…

Adaptation and Self-Organizing Systems · Physics 2020-11-30 Fabian Baumann , Igor M. Sokolov , Melvyn Tyloo

Investigating nanoplasmonics using time-dependent approaches permits shedding light on the dynamic optical properties of plasmonic structures, which are intrinsically connected with their potential applications in photochemistry and…

Mesoscale and Nanoscale Physics · Physics 2024-06-18 Piero Lafiosca , Luca Nicoli , Silvio Pipolo , Stefano Corni , Tommaso Giovannini , Chiara Cappelli

Recently, the synchronization on multi-layer networks has drawn a lot of attention. In this work, we study the stability of the complete synchronization on duplex networks. We investigate effects of coupling function on the complete…

Chaotic Dynamics · Physics 2017-11-15 Wenchen Han , Junzhong Yang

We make use of the time-dependent density functional theory to derive a new formally exact expression for the dc resistivity of metals with impurities. This expression takes fully into account the dynamics of electron-electron interactions.…

Strongly Correlated Electrons · Physics 2014-07-04 V. U. Nazarov , G. Vignale , Y. -C. Chang

Strong light-matter coupling has garnered significant attention for its potential to optimize optoelectronic responses. In this study, we designed open cavities featuring non-local metasurfaces composed of aluminum nanoparticle arrays. The…

We present a theoretical analysis of light scattering from a layered metal-dielectric microsphere. The system consists of two spherical resonators, coupled through concentric embedding. Solving for the modes of this system we find that near…

Optics · Physics 2009-11-13 Charles Rohde , Keisuke Hasegawa , Miriam Deutsch

Corrections offer a natural modality for people to provide feedback to a robot, by (i) intervening in the robot's behavior when they believe the robot is failing (or will fail) the task objectives and (ii) modifying the robot's behavior to…

Robotics · Computer Science 2026-02-24 Anjiabei Wang , Shuangge Wang , Tesca Fitzgerald

We study the possibility of accommodating both early and late-time tensions using a novel reinforcement learning technique. By applying this technique, we aim to optimize the evolution of the Hubble parameter from recombination to the…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-03 Mohit K. Sharma , M. Sami

We suggest that highly conducting oriented polymers with a fibril structure can be modeled by a regular lattice of disordered metallic wires with a random first-neighbor interwire coupling which mimics the cross-links between fibrils. We…

Condensed Matter · Physics 2024-10-04 N. Dupuis

The measurement of time is central to intelligent behavior. We know that both animals and artificial agents can successfully use temporal dependencies to select actions. In artificial agents, little work has directly addressed (1) which…

Machine Learning · Computer Science 2019-12-10 Ben Deverett , Ryan Faulkner , Meire Fortunato , Greg Wayne , Joel Z. Leibo

We investigate numerically the homogenized permittivities of composites made of low index dielectric inclusions in a ferroelectric matrix under a static electric field. A refined model is used to take into account the coupling between the…

Applied Physics · Physics 2019-09-04 Benjamin Vial , Yang Hao

Large language models (LLMs) aligned for safety through techniques like reinforcement learning from human feedback (RLHF) often exhibit emergent deceptive behaviors, where outputs appear compliant but subtly mislead or omit critical…

Machine Learning · Computer Science 2025-07-15 Santhosh Kumar Ravindran

In cognitive radio networks, when secondary users transmit in the null space of their interference channel with primary user, they can avoid interference. However, performance of this scheme depends on knowledge of channel state information…

Information Theory · Computer Science 2015-04-14 Shabnam Sodagari

This paper studies the wireless surveillance of a hybrid automatic repeat request (HARQ) based suspicious communication link over Rayleigh fading channels. We propose a proactive eavesdropping approach, where a half-duplex monitor can…

Information Theory · Computer Science 2017-09-01 Jie Xu , Kai Li , Lingjie Duan , Rui Zhang

Electrochemistry experiments have established that the capacitance of electrode-electrolyte interfaces is much larger for good metals such as gold and platinum than for carbon-based materials. Despite the development of elaborate electrode…

Materials Science · Physics 2021-09-03 Alessandra Serva , Laura Scalfi , Benjamin Rotenberg , Mathieu Salanne

When multiple model predictive controllers are implemented on a shared control area network (CAN), their performance may degrade due to the inhomogeneous timing and delays among messages. The priority based real-time scheduling of messages…

Systems and Control · Computer Science 2016-09-22 Zhenwu Shi , Fumin Zhang

Long-range beam-beam interactions (parasitic crossings) were one of the main luminosity performance limitations for the lepton F-factory DAFNE in its original configuration. In particular, the parasitic crossings led to a substantial…

Accelerator Physics · Physics 2008-04-08 C. Milardi , D. Alesini , M. A. Preger , P. Raimondi , M. Zobov , D. Shatilov

The influence of correlation effects on the orbital moments for transition metals and their alloys is studied by first-principle relativistic Density Functional Theory in combination with the Dynamical Mean-Field Theory. In contrast to the…

Strongly Correlated Electrons · Physics 2009-11-13 S. Chadov , J. Minár , M. I. Katsnelson , H. Ebert , D. Ködderitzsch , A. I. Lichtenstein