scholarly journals Communication: Global minimum search of Ag 10+ with molecular beam optical spectroscopy

2014 ◽  
Vol 141 (18) ◽  
pp. 181104 ◽  
Author(s):  
A. Shayeghi ◽  
R. L. Johnston ◽  
R. Schäfer
Keyword(s):  
Optical Spectroscopy ◽  
Molecular Beam ◽  
Global Minimum ◽  
Global Minimum Search

Optical spectroscopy of a-plane-oriented ZnO epilayers grown by plasma-assisted molecular beam epitaxy

2013 ◽  
Vol 115 (1) ◽  
pp. 257-261
Author(s):  
B. Lo ◽  
M. B. Gaye ◽  
A. Dioum ◽  
C. M. Mohrain ◽  
M. S. Tall ◽  
...  
Keyword(s):  
Molecular Beam Epitaxy ◽  
Optical Spectroscopy ◽  
Molecular Beam

Optical spectroscopy of Na3 by two-photon ionization in a supersonic molecular beam

1979 ◽  
Vol 62 (2) ◽  
pp. 216-222 ◽  
Author(s):  
André Herrmann ◽  
Manfred Hofmann ◽  
Samuel Leutwyler ◽  
Ernst Schumacher ◽  
Ludger Wöste
Keyword(s):  
Optical Spectroscopy ◽  
Molecular Beam ◽  
Supersonic Molecular Beam ◽  
Two Photon ◽  
Photon Ionization

scholarly journals Parameter Extraction for Equivalent Circuit Model of RF Devices Based on a Hybrid Optimization Method

Electronics ◽  
2019 ◽  
Vol 8 (10) ◽  
pp. 1133 ◽  
Author(s):  
Zhimin Guan ◽  
Peng Zhao ◽  
Qizhong Lao ◽  
Xianbing Wang ◽  
Gaofeng Wang
Keyword(s):  
Equivalent Circuit ◽  
Global Minimum ◽  
Extraction Procedure ◽  
Equivalent Circuit Model ◽  
Optimization Method ◽  
Parameter Extraction ◽  
Circuit Model ◽  
Spiral Inductor ◽  
Rf Devices ◽  
Global Minimum Search

One major difficulty of parameter extraction for an equivalent circuit lies in applying an optimization algorithm to efficiently approach the global minimum. Traditional genetic algorithm (GA) is able to find the global minimum but it has very low convergence rate. On the other hand, direct search method may be easily trapped in local minima. In this work, an improved parameter extraction method which is capable of effectively performing the global minimum search is proposed. This method combines GA and Powell’s method to efficiently determine circuit elements of an equivalent circuit model. A spiral inductor and an interdigital capacitor are used as design examples to illustrate the extraction procedure and validate the proposed hybrid method.

AUTOMATON: A Program That Combines a Probabilistic Cellular Automata and a Genetic Algorithm for Global Minimum Search of Clusters and Molecules

2018 ◽  
Vol 15 (2) ◽  
pp. 1463-1475 ◽  
Author(s):  
Osvaldo Yañez ◽  
Rodrigo Báez-Grez ◽  
Diego Inostroza ◽  
Walter A. Rabanal-León ◽  
Ricardo Pino-Rios ◽  
...  
Keyword(s):  
Genetic Algorithm ◽  
Cellular Automata ◽  
Global Minimum ◽  
Probabilistic Cellular Automata ◽  
Global Minimum Search

scholarly journals Global minimum search via annealing: Nanoscale gold clusters

2015 ◽  
Vol 622 ◽  
pp. 75-79 ◽  
Author(s):  
Nadezhda A. Andreeva ◽  
Vitaly V. Chaban
Keyword(s):  
Global Minimum ◽  
Gold Clusters ◽  
Global Minimum Search
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