Results 91 to 100 of about 309,444 (299)
, 2000 Low energy properties of half-filled Fibonacci Hubbard models are studied by weak coupling renormalization group and density matrix renormalization group method.
D. Shechtman +25 more
core +1 more source
Dynamical Dark Matter from strongly-coupled dark sectors
Physical Review D, 2017 Dynamical Dark Matter (DDM) is an alternative framework for dark-matter physics in which the dark sector comprises a vast ensemble of particle species whose decay widths are balanced against their cosmological abundances. Previous studies of this framework have focused on a particular class of DDM ensembles --- motivated primarily by KK towers in ...
Dienes, Keith R. +3 more
openaire +3 more sources
Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration
Advanced Functional Materials, EarlyView.Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley +1 more source
Dark sector interaction: a remedy of the tensions between CMB and LSS data
, 2019 The well-known tensions on the cosmological parameters $H_0$ and $\sigma_8$ within the $\Lambda$CDM cosmology shown by the Planck-CMB and LSS data are possibly due to the systematics in the data or our ignorance of some new physics beyond the $\Lambda ...
Kumar, Suresh +2 more
core +1 more source
Vortex solutions of an Abelian Higgs model with visible and hidden sectors [PDF]
, 2014 We study vortex solutions in a theory with dynamics governed by two weakly coupled Abelian Higgs models, describing a hidden sector and a visible sector.
Arias, Paola, Schaposnik, Fidel A.
core +4 more sources
Modelling Hydrogen in Sector Coupled Energy Systems
EnergyHydrogen is expected to play a key role in achieving a carbon neutral energy system in the future. Therefore, modelling of hydrogen is becoming an increasingly integrated part of sector coupled energy system modelling tools. However, results from different models and scenarios show different needs for hydrogen infrastructure and deployment of ...
Marie Münster +12 more
openaire +1 more source
2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics
Advanced Functional Materials, EarlyView.2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit +5 more
wiley +1 more source
Effects of Decentral Heat Pump Operation on Electricity Storage Requirements in Germany
Energies, 2020 Several studies show that heat pumps need to play a major role for space heating and hot water supply in highly decarbonised energy systems. The degree of elasticity of this additional electricity demand can have a significant impact on the electricity ...
Simon Hilpert
doaj +1 more source
Coupled dark sector models and cosmological tensions
Physical Review DIn this paper, we introduce two coupling models of early dark energy (EDE) and cold dark matter aimed at alleviating cosmological tensions. We utilize the EDE component in the coupling models to relieve the Hubble tension, while leveraging the interaction between dark matter and dark energy to alleviate the large-scale structure tension.
Gang Liu +4 more
openaire +2 more sources
Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna
Advanced Functional Materials, EarlyView.We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz +9 more
wiley +1 more source