Results 101 to 110 of about 3,272 (265)

A Study on the Accuracy of Central Difference and Finite Element Techniques for Solving Elliptic Partial Differential Equations [PDF]

Saritha Sambu
openalex   +1 more source

Terahertz Volume Plasmon‐Polariton Modulation in All‐Dielectric Hyperbolic Metamaterials

Advanced Optical Materials, EarlyView.
THz volume plasmon‐polariton (VPP) propagation through plasmon‐based hyperbolic metamaterials, made of alternating layers of doped and undoped III‐V semiconductors. Abstract The development of plasmonics and related applications in the terahertz range faces limitations due to the intrinsic high electron density of the standard metals.
Stefano Campanaro, Luca Bursi, Stefano Curtarolo, Arrigo Calzolari   +3 more
wiley   +1 more source

Robust Preconditioners for the High-Contrast Elliptic Partial Differential Equations

, 2014
Zuhal Unlu, Zuhal Unlu
openalex   +2 more sources

General boundary value problems for elliptic partial differential equations [PDF]

, 1959
Martin Schechter
openalex   +1 more source

Ultrabroadband Excitation of Hot Carriers in Plasmonic Nanorods Revealed by Two‐Dimensional Electronic Spectroscopy

Advanced Optical Materials, EarlyView.
This work dissects the ultrafast response of polydisperse plasmonic nanorods using two‐dimensional electronic spectroscopy, uniquely combining temporal and spectral resolution. Our ultrabroadband pulses cover both transverse and longitudinal nanorods’ resonances, revealing sub‐200‐fs dynamics and distinct broadening mechanisms.
Andrea Schirato, Mattia Russo, Luca Moretti, Alessandro Molinelli, Laura Polito, Filippo Rossi, Giulio Cerullo, Giuseppe Della Valle, Margherita Maiuri   +8 more
wiley   +1 more source

Fefferman's Inequality and Applications in Elliptic Partial Differential Equations [PDF]

, 2019
Nicky Kurnia Tumalun, ‎Denny Ivanal Hakim, Hendra Gunawan   +2 more
openalex   +1 more source

Tunable Multifunctional Terahertz Coding Metasurface for Polarization Manipulation

Advanced Photonics Research, EarlyView.
Coding metasurfaces (CMs) offer versatile control over electromagnetic waves. Herein, a tunable multifunctional terahertz (THz) metasurface integrated with vanadium dioxide (VO2) is presented, enabling propagation‐phase manipulation of linearly polarized waves and hybrid‐phase control of circularly polarized waves.
Chunsheng Zhang, Tingnuo Pan, Xiao Zhang, Wenjia Li, Bo Lv, Yuxiang Li, Zheng Zhu, Chunying Guan, Wanying Liu, Xiaohan Jiang, Jinhui Shi   +10 more
wiley   +1 more source

Learning domain-independent Green’s function for elliptic partial differential equations [PDF]

Pawan Negi, Maggie X. Cheng, Mahesh Krishnamurthy, Wenjun Ying, Shuwang Li   +4 more
openalex   +1 more source

An Ultra‐Wideband Metasurface Perfect Absorber Based on Hybrid Absorption Modes

Advanced Photonics Research, EarlyView.
A Ge2Sb2Te5 metasurface absorber enables polarization‐independent, ultrabroadband (UV–NIR) light absorption with high angular tolerance. Its performance stems from overlapping electric and magnetic dipole resonances in a symmetric structure, achieving 94% average absorption and maintaining 83% even at 70° incidence, promising for integrated ...
Dingbang Liu, Yusa Chen, Yunhao Cao, Lijun Ma, Shuai Wang, HongShun Sun, Mingyao Gao, Dingyi Yang, Wengang Wu   +8 more
wiley   +1 more source

Degenerate two-phase incompressible flow problems III: Perturbation analysis and numerical experiments

Electronic Journal of Differential Equations, 1999
This is the third paper of a three-part series where we develop and analyze a finite element approximation for a degenerate elliptic-parabolic partial differential system which describes the flow of two incompressible, immiscible fluids in porous media ...
Zhangxin Chen, Natalia L. Khlopina
doaj