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Related papers: Analytical Charge-Control Model for DH-HEMT

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A double-atom partitioning of the molecular one-electron density matrix is used to describe atoms and bonds. All calculations are performed in Hilbert space. The concept of atomic weight functions (familiar from Hirshfeld analysis of the…

Charged Higgs bosons are predicted in variety of theoretically well-motivated new physics models with extended Higgs sectors. In this study, we focus on a type-II two Higgs doublet model (2HDM-II) and consider a heavy charged Higgs with its…

High Energy Physics - Phenomenology · Physics 2016-12-06 Jinmian Li , Riley Patrick , Pankaj Sharma , Anthony G. Williams

The equation for the charge vertex $\gamma$ of the $t-J$ model is derived and solved in leading order of an 1/N expansion, working directly in terms of Hubbard operators. Various quantities which depend crucially on $\gamma$ are then…

Condensed Matter · Physics 2009-10-28 Roland Zeyher , Miodrag L. Kulic

Organic heterojunction solar cells are analyzed within a minimal model that includes the essential physical features of such systems. The dynamical properties of this model, calculated using a master equation approach, account for the…

Materials Science · Physics 2011-11-11 Mario Einax , Marcel Dierl , Abraham Nitzan

Electric vehicles (EV) are an important part of future sustainable transportation. The increasing integration of EV charging stations (EVCSs) in the existing power grids require new scaleable control algorithms that maintain the stability…

Optimization and Control · Mathematics 2024-10-15 Hannes Gernandt , Bernardo Severino , Xinyi Zhang , Volker Mehrmann , Kai Strunz

In quantum nanoelectronics, numerical simulations have become an ubiquitous tool. Yet the comparison with experiments is often done at a qualitative level or restricted to a single device with a handful of fitting parameters. In this work,…

A closed-loop control of a reaction-diffusion type process is introduced. The control system consist of a finite number of control and measurement devices. The measurement devices collect information about the current state of the process.…

Optimization and Control · Mathematics 2013-06-28 Grzegorz Dudziuk

With the maritime industry poised on the cusp of a hybrid revolution, the design and analysis of advanced vessel systems have become paramount for engineers. This paper presents AC and DC electrical hybrid power system models in ETAP, the…

Systems and Control · Electrical Eng. & Systems 2024-10-01 Matthijs Mosselaar , Zoran Malbašić , Aihui Fu , Aleksandra Lekić

This paper presents a generalization of the charge-based model for ultrathin junctionless double-gate (JLDG) field-effect transistors (FETs) by including quantum electron density. The analytical derivation relies on a first-order correction…

Applied Physics · Physics 2018-10-17 Majid Shalchian , Farzan Jazaeri , Jean-Michel Sallese

We determine the density-dependent electron mass, m*, in two-dimensional (2D) electron systems of GaAs/AlGaAs heterostructures by performing detailed low-temperature Shubnikov deHaas measurements. Using very high quality transistors with…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Y. -W. Tan , J. Zhu , H. L. Stormer , L. N. Pfeiffer , K. W. Baldwin , K. W. West

We present magnetotransport measurements on freely suspended two-dimensional electron gases from AlGaAs/GaAs heterostructures. The technique to realize such devices relies on a specially MBE grown GaAs/AlGaAs-heterostructure including a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. H. Blick , F. G. Monzon , W. Wegscheider , M. Bichler , F. Stern , M. L. Roukes

The aim of this article is to study the asymptotic behaviour of some low-cost control problems. These problems motivate the study of H-convergence with weakly convergingdata. An improved lower bound for the limit of energy functionals…

Optimization and Control · Mathematics 2009-10-16 Rajesh Mahadevan , T. Muthukumar

We demonstrate the development of a double quantum dot with an integrated charge sensor fabricated in undoped GaAs/AlGaAs heterostructures using a double top-gated design. Based on the evaluation of the integrated charge sensor, the double…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Hai-Ou Li , Gang Cao , Ming Xiao , Jie You , Da Wei , Tao Tu , Guang-Can Guo , Hong-Wen Jiang , Guo-Ping Guo

We present a comprehensive investigation of self-heating in gallium nitride (GaN) high-electron-mobility transistors (HEMTs) through technology computer-aided design (TCAD) simulations and phonon Monte Carlo (MC) simulations. With…

Applied Physics · Physics 2024-01-25 Yang Shen , Bing-Yang Cao

This paper presents the current state of mathematical modelling of the electrochemical behaviour of lithium-ion batteries as they are charged and discharged. It reviews the models developed by Newman and co-workers, both in the cases of…

Chemical Physics · Physics 2020-02-04 Giles W Richardson , Jamie M Foster , Rahifa Ranom , Colin P Please , Angel M Ramos

In this paper, a two-dimensional analytical model of a laterally graded-channel triple-metal double-gate Junctionless Field Effect Transistor with hetero dielectric gate oxide stack consisting of SiO$_2$ and HfO$_2$ is derived. The model…

Materials Science · Physics 2021-09-24 Shib Sankar Das , Barun Majumder , Ankush Ghosh

Comparing proposed quantities to analyze charged particle fluctuations in heavy ion experiments we find the dispersion of the charges in a central rapidity box as best suited. Various energies and different nuclear sizes were considered in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fritz W. Bopp , Johannes Ranft

A serial triple quantum dot (TQD) electrostatically defined in a GaAs/AlGaAs heterostructure is characterized by using a nearby quantum point contact as charge detector. Ground state stability diagrams demonstrate control in the regime of…

Mesoscale and Nanoscale Physics · Physics 2007-09-03 D. Schröer , A. D. Greentree , L. Gaudreau , K. Eberl , L. C. L. Hollenberg , J. P. Kotthaus , S. Ludwig

The TOTEM experiment at LHC has chosen the triple Gas Electron Multiplier (GEM) technology for its T2 telescope which will provide charged track reconstruction in the rapidity range 5.3<|eta|<6.5 and a fully inclusive trigger for…

Instrumentation and Detectors · Physics 2009-09-29 S. Lami , G. Latino , E. Oliveri , L. Ropelewski , N. Turini

A two-dimensional fluid model is used to investigate the electron heating dynamics and the production of neutral species in a capacitively coupled radio-frequency micro atmospheric pressure helium plasma jet -- specifically the COST jet --…