نتایج جستجو برای: wsm

تعداد نتایج: 248  

Journal: :Asian Journal of Research and Reviews in Physics 2021

Recently discovered Weyl semimetals (WSM) have found special place in topological condensed matter studies for they represent first example of massless fermions systems. A WSM shows gapless bulk energy spectra with Dirac-like point degeneracies, famously called nodes, which carry themselves well defined chiralities and topologically protected chiral charges. One finds the Berry curvature Bloch ...

Journal: :Applied Mathematics and Computer Science 2013
Faten Ben Aicha Faouzi Bouani Mekki Ksouri

Predictive control of MIMO processes is a challenging problem which requires the specification of a large number of tuning parameters (the prediction horizon, the control horizon and the cost weighting factor). In this context, the present paper compares two strategies to design a supervisor of the Multivariable Generalized Predictive Controller (MGPC), based on multiobjective optimization. Thu...

2017
S Sudesh Pawan Kumar Prakriti Neha Tanmoy Das Satyabrata Patnaik

The discovery of Weyl semimetals (WSM) has brought forth the condensed matter realization of Weyl fermions, which were previously theorized as low energy excitations in high energy particle physics. Recently, transition metal mono-pnictides are under intense investigation for understanding properties of inversion-symmetry broken Weyl semimetals. Non-trivial Berry phase and chirality are importa...

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :Journal of applied research and technology 2022

In practice, the condition state of Power Transformers (PT) is quantified by using Health Index (HI). This paperanalyzes and compares three different state-of-the-art algorithms to compute HI. The first one uses a Weighted SumModel (WSM), second based on Fuzzy Inference System (FIS), third combines both techniques, i.e.,WSM FIS. These approaches are tested in PT fleet composed 30 units. Results...

Journal: :Physical review 2022

The subtle interplay of band topology and symmetry broken phase, induced by electron correlations, has immense contemporary relevance potentially offers novel physical insights. Here, we demonstrate charge density wave (CDW) in bulk Y$_2$Ir$_2$O$_7$ for T < 10 K, its transition to the Weyl semimetal (WSM) phase at higher temperatures. CDW is evidenced a) current nonlinear conductivity with nega...

Journal: :International Journal of Computational Intelligence Systems 2022

Abstract Reliability analysis and reliability-based design have attracted huge attention since their origin, especially in the engineering optimization field. Integrating a novel grid feature (GF) mechanism into weighted simulation method (WSM), feature-based (GFWSM) is proposed this paper. By sorting samples random variable space, GF serializes failure probability calculation process, which ca...

Journal: :Journal of diabetes science and technology 2013
Stephanie Feudjio Feupe Patrick F Frias Sara C Mednick Elizabeth A McDevitt Nathaniel D Heintzman

BACKGROUND Sleep plays an important role in health, and poor sleep is associated with negative impacts on diabetes management, but few studies have objectively evaluated sleep in adults with type 1 diabetes mellitus (T1DM). Nocturnal glycemia and sleep characteristics in T1DM were evaluated using body-worn sensors in real-world conditions. METHODS Analyses were performed on data collected by ...

2012
Celal YAŞAR

In this study, an environmental economic active power dispatch problem is transformed into an optimization problem with a single-objective function by applying the weighted sum method (WSM) and the conic scalarization method (CSM). A pseudo spot price of electricity algorithm (PSPA) is used to solve the transformed problem. This is demonstrated on an example problem, which is a lossy electrical...

2016
Shi-Han Zheng Rui-Qiang Wang Min Zhong Hou-Jian Duan

Currently, Weyl semimetals (WSMs) are drawing great interest as a new topological nontrivial phase. When most of the studies concentrated on the clean host WSMs, it is expected that the dirty WSM system would present rich physics due to the interplay between the WSM states and the impurities embedded inside these materials. We investigate theoretically the change of local density of states in t...

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