Results 81 to 90 of about 1,405,172 (246)

Momentum in US Open men’s singles tennis [PDF]

, 2015
Most of the research in racket sports has focussed on point outcomes rather than point sequences and other events that may trigger positive or negative momentum.
O'Donoghue, Peter, Moss, Ben, Ben Moss, Peter O’Donoghue   +3 more
core   +1 more source

Emergent Spin Supersolids in Frustrated Quantum Materials

Advanced Materials, EarlyView.
This review highlights developments in the study of spin super‐solids in frustrated quantum materials. Advanced experimental characterizations and computational studies enable a comprehensive understanding of the driving mechanisms of spin super‐solidity in various layered transition‐metal compounds, bridging materials, experiments, and theory aspects.
Yixuan Huang, Seiji Yunoki, Sadamichi Maekawa   +2 more
wiley   +1 more source

Cavity-assisted nonlocal metasurfaces for momentum-space broadband-operational optical vortice generation with maximum efficiency approaching 80%

Opto-Electronic Advances
Nonlocal metasurfaces generate optical vortices via momentum-space topological singularities, eliminating the need for complex meta-atom phasing or precise beam alignment. Their utility has been constrained by narrow bandwidth and low efficiency stemming
Keren Wang, Kaili Sun, Jing Du, Peijuan Dai, Hao Zhou, Lujun Huang, Zhanghua Han, Wei Wang   +7 more
doaj   +1 more source

Momentum Cycles and Limits to Arbitrage Evidence from Victorian England and Post-Depression US Stock Markets [PDF]

We evaluate the importance of “Limits to Arbitrage” to explain profitability of momentum strategies. Specifically, when the availability of arbitrage capital is in short supply, momentum cycles last longer, and breaks in momentum cycles are shorter.
Ravi Jagannathan, Benjamin Chabot, Eric Ghysels   +2 more
core  

Rational Tuning of Hygroscopic Oscillation of Stacked Nanoflake Assemblies for Continuous Ambient Energy Harvesting

Advanced Materials, EarlyView.
Stacked nanoflake assembly (SNA) membranes can oscillate autonomously, offering opportunities for soft actuation and energy harvesting. This work uncovers the physical mechanism behind the sustained oscillation of SNA membranes in gradient humidity and identifies three governing dimensionless parameters, enabling rational design for optimizing SNA ...
Zijing Zhang, Jimin Fu, Gesa Zhang, Zhihua Liang, Boxun Zhang, Haimin Yao   +5 more
wiley   +1 more source

Latest Advances and Development Trends in Space Inertial Actuators

Actuators
Space inertial actuators, represented by reaction wheels, momentum wheels, flywheels, and control moment gyroscopes, are indispensable angular-momentum exchange devices in spacecraft attitude determination and control systems.
Huajun Zhou, Lei You, Xinsheng Wei, Hua Wei, Zeyuan Yu, Zihao Fang   +5 more
doaj   +1 more source

Where Goes Momentum?

, 2021
With chapters contributed by leading minds in quantitative analysis, the book provides a detailed background on momentum investing, alongside a reliable portrait of its practical ...
Geo, XJ, Bird, R, Yeung, D
core  

Giant Orbital Rashba–Edelstein Effect in Crystalline Cu2O/Cu Heterostructures

Advanced Materials, EarlyView.
An enhanced orbital Rashba–Edelstein effect is demonstrated in a crystalline Cu2O/Cu heterostructure, compared to naturally oxidized CuOx structures, highlighting the critical role of crystallinity and interface control in orbital torque generation. The resulting spin torque conductivity exceeds that of Pt, indicating the potential of orbital torque ...
San Ko, Jaimin Kang, Su Jae Kim, Hanhwi Jang, Do‐Kyeong Nam, Minseok Kang, Sunghoon Kim, Yeon Sik Jung, Se‐Young Jeong, Kab‐Jin Kim, Byong‐Guk Park   +10 more
wiley   +1 more source

Integrating Machine Learning with Intelligent Control Systems for Flow Rate Forecasting in Oil Well Operations

Automation
This study addresses the integration of machine learning (ML) with supervisory control and data acquisition (SCADA) systems to enhance predictive maintenance and operational efficiency in oil well monitoring. We investigated the applicability of advanced
Bibars Amangeldy, Nurdaulet Tasmurzayev, Shona Shinassylov, Aksultan Mukhanbet, Yedil Nurakhov   +4 more
doaj   +1 more source

Study of the propagation and detection of the orbital angular momentum of light for astrophysical applications [PDF]

, 2013
The aim of this work is to study the propagation of orbital angular momentum (OAM) of light for astrophysical applications and a method for OAM detection with optical telescopes. The thesis deals with the study of the orbital angular momentum (OAM) as a
Sponselli, Anna
core