نتایج جستجو برای: energy eff ciency

تعداد نتایج: 674090  

Journal: :Physical review letters 2013
Jiří Chaloupka Giniyat Khaliullin

We propose a minimal model describing magnetic behavior of Fe-based superconductors. The key ingredient of the model is a dynamical mixing of quasidegenerate spin states of Fe(2+) ion by intersite electron hoppings, resulting in an effective local spin S(eff). The moments S(eff) tend to form singlet pairs and may condense into a spin nematic phase due to the emergent biquadratic exchange coupli...

1998
Hai-Yang Cheng

Nonfactorizable effects in hadronic charmless B → PP, V P decays can be parametrized in terms of the effective number of colors N eff c in the effective parameters a eff i that are linear combinations of Wilson coefficients. It is shown that N eff c (V + A) in the penguin amplitudes induced by the (V −A)(V +A) four-quark operators is different from N eff c (V −A) in the decay amplitudes arising...

2008
RAND

T he United States cannot conduct an eff ective counterterrorism campaign against al Qa’ida or other terrorist groups without understanding how such groups end. While it is clear that U.S. policymakers will need to turn to a range of policy instruments to conduct such campaigns—including careful police and intelligence work, military force, political negotiations, and economic sanctions—what is...

Journal: :Physical review letters 2013
H Gretarsson J P Clancy X Liu J P Hill Emil Bozin Yogesh Singh S Manni P Gegenwart Jungho Kim A H Said D Casa T Gog M H Upton Heung-Sik Kim J Yu Vamshi M Katukuri L Hozoi Jeroen van den Brink Young-June Kim

The electronic structure of the honeycomb lattice iridates Na(2)IrO(3) and Li(2)IrO(3) has been investigated using resonant inelastic x-ray scattering (RIXS). Crystal-field-split d-d excitations are resolved in the high-resolution RIXS spectra. In particular, the splitting due to noncubic crystal fields, derived from the splitting of j(eff)=3/2 states, is much smaller than the typical spin-orbi...

Journal: :Nanoscale 2015
D Marson E Laurini P Posocco M Fermeglia S Pricl

Generation 2 cationic carbosilane dendrimers hold great promise as internalizing agents for gene therapy as they present low toxicity and retain and internalize the genetic material as an oligonucleotide or siRNA. In this work we carried out complete in silico structural and energetical characterization of the interactions of a set of G2 carbosilane dendrimers, showing different affinity toward...

Journal: :Physical review 2023

Based on a formalism introduced in our previous work, we reconstruct the phenomenological function ${G}_{\mathrm{eff}}(z)$ describing deviations from general relativity (GR) model-independent manner. In this alternative approach, model $\ensuremath{\mu}\ensuremath{\equiv}{G}_{\mathrm{eff}}/G$ as Gaussian process and use forecasted growth-rate measurements stage-IV survey to its shape for two di...

2013
B. GAJDZIK

B. Gajdzik, The Silesian University of Technology, Faculty of Materials Science and Metallurgy, Department of Management and Computer Science, Poland This publication presents the program assumptions of restructuring and achieved eff ects. The range of tests on restructuring eff ects was broadened by analysis of enterprise situation in the surrounding, pointing at conducted strategies of action...

2006
L. Friedmann L. Boukhatem

— The research community in wireless systems hold a keen interest in sensor networks issues. Sensor networks are dense wireless networks where information is gathered by sensor elements spread out in an interest area. Wireless sensors applications cover a large eld such as surveillance and security, target tracking, agriculture, health and military purposes. The main de ciency of sensors is the...

2007
J. Nishii K. Ogawa R. Suzuki

The gait transition during locomotion in legged animals is an attractive phenomenon from the point of view of both robotics and biology. In this paper we will show by means of a mathematical model that the optimal gait pattern is selected according to energetic e ciency, including the energy loss due to the heat emissions of actuators.

2012
Shrestharth Ghosh

3 Energy E ciency using Tra c Grooming 9 3.1 Why Tra c Grooming . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.2 Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.2.1 RWA and Tra c Grooming . . . . . . . . . . . . . . . . . . . 10 3.2.2 Power Aware Provisioning (PAP) . . . . . . . . . . . . . . . . 10 3.2.3 LUB and RSB . . . . . . . . . . . . . . . . . . ....

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