center potential
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Circuit World ◽  
2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Joy Chowdhury ◽  
Angsuman Sarkar ◽  
Kamalakanta Mahapatra ◽  
Jitendra Kumar Das

Purpose The purpose of this paper is to present an improved model based on center potential instead of surface potential which is physically more relevant and accurate. Also, additional analytic insights have been provided to make the model independent and robust so that it can be extended to a full range compact model. Design/methodology/approach The design methodology used is center potential based analytical modeling using Psuedo-2D Poisson equation, with ingeniously developed boundary conditions, which help achieve reasonably accurate results. Also, the depletion width calculation has been suitably remodeled, to account for proper physical insights and accuracy. Findings The proposed model has considerable accuracy and is able to correctly predict most of the physical phenomena occurring inside the broken gate Tunnel FET structure. Also, a good match has been observed between the modeled data and the simulation results. Ion/Iambipolar ratio of 10^(−8) has been achieved which is quintessential for low power SOCs. Originality/value The modeling approach used is different from the previously used techniques and uses indigenous boundary conditions. Also, the current model developed has been significantly altered, using very simple but intuitive technique instead of complex mathematical approach.





2020 ◽  
Vol 128 (8) ◽  
pp. 1094
Author(s):  
И.А. Мальцев ◽  
В.М. Шабаев ◽  
В.А. Зайцев ◽  
Р.В. Попов ◽  
Ю.C. Кожедуб ◽  
...  

The energy and width of the supercritical resonance, which appears after the diving of the ground state of the uranium quasimolecule in the negative-energy Dirac continuum, are calculated. The calculations are performed taking into account the full two-center potential of the nuclei. The obtained results are compared with the corresponding values calculated in the monopole approximation and with taking into account the few lowest terms of the multipole expansion.



2020 ◽  
Vol 210 ◽  
pp. 108309 ◽  
Author(s):  
Pasqualina De Leo ◽  
Luisa Gazzurelli ◽  
Manuela Baronio ◽  
Davide Montin ◽  
Silvia Di Cesare ◽  
...  


2018 ◽  
Vol 96 (11) ◽  
pp. 1230-1234 ◽  
Author(s):  
Nafiseh Roshanbakht ◽  
Mohammad Reza Shojaei

According to the experimental results, even–even light nuclei have cluster structures at some excited states. To study nuclei having two identical clusters we used a two-center potential well model. We calculated the energy levels by solving the Schrödinger equation and evaluating the effect of spin–orbit coupling in cylindrical coordinates. Finally, the results of calculations were applied for the 8Be isotope.



Author(s):  
Mahyar Jahangiriesmaili ◽  
Sina Bahrami ◽  
Matthew J. Roorda

The two-echelon delivery structure is a strategy that can be implemented in urban areas to lower delivery costs by reducing the movement of heavy goods vehicles. In a two-echelon delivery structure, large trucks deliver shipments from a consolidation center to several terminals, where packages are transferred to smaller trucks for last-mile deliveries. This paper formulates a model that solves the two-echelon delivery structure by the use of approximation techniques. Several potential terminal locations and demand areas were identified, and the optimal number and locations of the terminals were examined, as the model evaluated the most cost-effective routes between the consolidation center, potential terminals, and demand areas. Downtown Toronto, Ontario, Canada, was chosen as the case study area to assess the model, and a cost analysis of the number and locations of the terminals was performed. The experiments showed that the number and the locations of the terminals were greatly influenced by the opening cost of the terminals and the transportation cost of the delivery trucks. It was also discovered that the likelihood of selection of terminals that were positioned near both the consolidation center and the center of the service area was higher than the likelihood of selection of terminals at any other location.







2016 ◽  
Vol 741 ◽  
pp. 012045
Author(s):  
P A Golovinski ◽  
A A Drobyshev


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