Results 81 to 90 of about 17,957 (257)

Embedded Ferroelectric Nanoclusters Can Drive Polarization Reversal in a Non‐Ferroelectric Polar Film via the Proximity Effect

Advanced Functional Materials, EarlyView.
Ferroelectric nanoclusters create local internal fields in a normally non‐switchable polar film because of polarization mismatch at their interfaces. That field opposes polarization in the regions with larger polarization and reinforces polarization in the regions with smaller polarization.
Anna N. Morozovska, Eugene A. Eliseev, Sergei V. Kalinin, Long‐Qing Chen, Dean R. Evans, Venkatraman Gopalan   +5 more
wiley   +1 more source

RIS-Assisted Terahertz Clustered HetNets: Coverage and Rate Analysis

IEEE Open Journal of the Communications Society
Terahertz (THz) transmission technologies hold significant potential for enabling ultra-broadband in next-generation networks. Despite the vast bandwidth offered by the THz, it faces significant challenges stemming from its limited transmission range.
Hadeel Obaid, Yongxu Zhu, Bo Tan
doaj   +1 more source

From Geometry to Function: Programmable Mechanical Response in 3D‐Printed Adipose‐Inspired Soft Metamaterials

Advanced Functional Materials, EarlyView.
Geometry‐driven design of soft cellular metamaterials is systematically investigated by combining experiments, finite element modeling, and statistical prediction. The study quantifies how unit cell geometry and material properties govern stiffness, instability, densification, and energy absorption.
Alice Berardo, Gianmarco Dolino, Damiano Coato, Paolo Gargiulo, Emanuele Luigi Carniel   +4 more
wiley   +1 more source

Drinfel’d double of bialgebroids for string and M theories: dual calculus framework

Journal of High Energy Physics
We extend the notion of Lie bialgebroids for more general bracket structures used in string and M theories. We formalize the notions of calculus and dual calculi on algebroids.
Aybike Çatal-Özer, Keremcan Doğan, Cem Yetişmişoğlu   +2 more
doaj   +1 more source

Bio‐Inspired Biopolymeric Implantable Platform for Localized and Sustained Drug Delivery in Solid Tumor Treatment

Advanced Functional Materials, EarlyView.
A bio‐inspired biopolymeric implantable drug delivery platform enables localized and sustained release of 7‐ethyl‐10‐hydroxycamptothecin (SN‐38) in solid tumor treatment. The three‐dimensional (3D) structured crosslinked‐chitosan implants are fabricated via 3D‐printed molds and provide drug release over 3 months, significantly inhibiting tumor growth ...
Mercedes Lozano‐Garcia, Constantine Vogiatzis, Alejandra Planells‐Devesa, Emre Dikici, Caroline Vieira Maluf, Vasudev Vivekanand Nayak, Paulo G. Coelho, Lukasz Witek, Alicia Bilbao, Daniel Bilbao, Prasoon Mohan, Sapna Deo, Sylvia Daunert   +12 more
wiley   +1 more source

Quantum duality principle and quantum symmetric pairs

Forum of Mathematics, Sigma
The quantum duality principle (QDP) by Drinfeld predicts a connection between the quantized universal enveloping algebras and the quantized coordinate algebras, where the underlying classical objects are related by the duality in Poisson geometry.
Jinfeng Song
doaj   +1 more source

Snap‐Through–Driven Liquid Crystal Elastomers for High‐Power Remote Microneedle Actuation Toward Smart Livestock Systems

Advanced Functional Materials, EarlyView.
A magnetically assisted snap‐through liquid crystal elastomer transforms photochemical deformation into a high‐power mechanical impulse, enabling remote microneedle actuation and highlighting its potential for future smart livestock intervention systems.
Chae Won Lee, Nankyung Kim, SeungHyun Park, Dae Seok Kim   +3 more
wiley   +1 more source

A New Stochastic Geometry Model of Coexistence of Wireless Body Sensor Networks

MATEC Web of Conferences, 2017
Stochastic geometry, in particular Poission point process theory, has been widely used in the last decade to provide models and methods to analyze wireless networks.
Yang Ming, Liu Ruixia, Wang Yinglong, Shu Minglei, Yang Yuanyuan   +4 more
doaj   +1 more source

Stochastic Geometry-Based Modeling and Analysis of Citizens Broadband Radio Service System

IEEE Access, 2017
In this paper, we model and analyze a cellular network that operates in the licensed band of the 3.5-GHz spectrum and consists of a licensed and an unlicensed operator.
Priyabrata Parida, Harpreet S. Dhillon, Pavan Nuggehalli   +2 more
doaj   +1 more source

ON POISSON GEOMETRY AND SUPERSYMMETRIC SIGMA MODELS [PDF]

Modern Physics Letters A, 2012
By using the Poisson geometry, we develop a manifestly invariant and calculation-friendly formalism for handling UOSp(2|1)-supersymmetric field theories. In particular, the super-Langrangians are written solely in terms of superfields, Poisson brackets and the moment map generating the UOSp(2|1) action.
openaire   +4 more sources