Results 31 to 40 of about 27,784 (186)
, 2007 We examine aspects of primordial star formation in the presence of a molecular hydrogen-dissociating ultraviolet background. We compare a set of AMR hydrodynamic cosmological simulations using a single cosmological realization but with a range of ...
Brian W. O’Shea +3 more
core +1 more source
Journal of Economics and Management, 2019 Aim/purpose – The aim of this paper is to examine the impact of structural changes taking place in the Polish economy on the share of labour in national income.
Gawrycka Małgorzata, Szymczak Anna
doaj +1 more source
Engineering the Dynamics of Effective Spin-Chain Models for Strongly Interacting Atomic Gases [PDF]
, 2015 We consider a one-dimensional gas of cold atoms with strong contact interactions and construct an effective spin-chain Hamiltonian for a two-component system. The resulting Heisenberg spin model can be engineered by manipulating the shape of the external
Fedorov, D. V. +5 more
core +2 more sources
Studia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2020 Nowadays, around the world, it can be noticed an important trend towards the pension system reforms. The creation of the European fiscal space, the effects of globalization and the movement of the labour force are important vectors towards creating a new
Jimon Ștefania Amalia +2 more
doaj +1 more source
Is the Labour Force Participation Rate Non-Stationary in Romania?
Review of Economic Perspectives, 2015 The purpose of this paper is to test hysteresis of the Romanian labour force participation rate, by using time series data, with quarterly frequency, covering the period 1999Q1-2013Q4.
Tiwari Aviral Kumar, Mutascu Mihai
doaj +1 more source
A Study of Global Recession Recovery Strategies in Highly Ranked GDP EU Countries
ECONOMICS, 2021 The Global financial crisis of 2008-2009 severely impacted the developed economies of the world. It occurred at a time when most countries had started gaining economic growth, stability, and vibrance.
Kolluru Mythili +2 more
doaj +1 more source
Advanced Science, EarlyView.This work presents a dispersive full‐channel Jones matrix modulation strategy using single‐layer metasurface. By synergizing wavelength dispersion engineering with elliptical polarization bases, independent control of four Jones matrix channels is achieved across multiple wavelengths.
Hairong He +10 more
wiley +1 more source
Magnetic properties of exactly solvable doubly decorated Ising-Heisenberg planar models
, 2002 Applying the decoration-iteration procedure, we introduce a class of exactly solvable doubly decorated planar models consisting both of the Ising- and Heisenberg-type atoms.
A. Aharony +52 more
core +1 more source
Patterns of spinal motion, kinematic spaces and the land‐to‐sea transition in carnivorans
The Anatomical Record, EarlyView.Using 3D reconstructions, we quantify intervertebral joint mobility to investigate how cervical, thoracic, and lumbar vertebral regions evolved distinct kinematic roles in pinnipeds. The findings reveal lineage‐specific adaptations for swimming and highlight the functional significance of vertebral joint flexibility in ecological transitions.
Juan Miguel Esteban +3 more
wiley +1 more source
The Radiative Feedback of the First Cosmological Objects
, 1999 In hierarchical models of structure formation, an early cosmic UV background (UVB) is produced by the small (T_vir < 10^4 K) halos that collapse before reionization. The UVB at energies below 13.6eV suppresses the formation of stars or black holes inside
Abgrall H. +4 more
core +1 more source