Results 11 to 20 of about 3,184,379 (291)
Flavor dependence of the S-parameter
Physics Letters B, 2011 We extend the results of [arXiv:1006.0207 [hep-lat]] by computing the S-parameter at two loops in the perturbative region of the conformal window. Consistently using the expression for the location of the infra-red fixed point at the two-loop order we express the S-parameter in terms of the number of flavors, colors and matter representation.
Di Chiara, Stefano +2 more
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ACD estimation of the S-parameter revisited [PDF]
Physics Letters B, 1997 The analytic continuation by duality (ACD) technique has been used to estimate the electroweak S parameter in technicolor models. In this letter, we investigate the reliability of this method by applying it to some toy models with known spectra. We find that in most instances the technique cannot be trusted to give a reliable result.
Ignjatovic, S. R. +2 more
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The S-parameter in holographic technicolor models [PDF]
Journal of High Energy Physics, 2007 21 pages, 2 figures.
Agashe, Kaustubh +3 more
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On the renormalization of the S parameter [PDF]
Physics Letters B, 1992 8 ...
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Passivity Check of $S$-Parameter Descriptor Systems via $S$-Parameter Generalized Hamiltonian Methods [PDF]
IEEE Transactions on Advanced Packaging, 2010 This paper extends the generalized Hamiltonian method (GHM) (Zhang , 2009; Zhang and Wong, 2010) and its half-size variant (HGHM) (Zhang and Wong, 2010) to their S -parameter counterparts (called S-GHM and S-HGHM, respectively), for testing the passivity of S -parameter descriptor-form models widely used in high-speed circuit and electromagnetic ...
Zhang, Z, Wong, N
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A Semi-Analytical Method for the S-Parameter Calculations of an N × M Multimode Interference Coupler
Photonics, 2023 A semi-analytical method for the S-parameter calculations of an N×M multimode interference coupler (MMI coupler) is presented. The proposed semi-analytical method is based on the mode decomposition and utilizes an effective index method to approximate ...
Dmitrii Moskalev +5 more
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X-parameter modelling of GaN HEMT based on neural network
The Journal of Engineering, 2019 Currently, S-parameters are commonly used in the design, measurement, and modelling of microwave circuits, but it is only suitable for linear small-signal conditions and not suitable for large-signal conditions.
Niu Lei, Feiyan Jiang, Lu Sun
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A High-Reliability RF MEMS Metal-Contact Switch Based on Al-Sc Alloy
Micromachines, 2023 This paper presents a new metal-contact RF MEMS switch based on an Al-Sc alloy. The use of an Al-Sc alloy is intended to replace the traditional Au-Au contact, which can greatly improve the hardness of the contact, and thus improve the reliability of the
Zhongxuan Hou +8 more
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Biosystems Diversity, 2019 Study of the morphologic peculiarities of free-living stages of nematodes of the Strongyloides genus is important in differential diagnostics of pathogens. We studied the parasite of goats (Capra aegagrus hircus Linnaeus, 1758) – Strongyloides papillosus
Y. A. Gugosyan +2 more
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Physical review letters, 2010 We propose a direct test of the existence of gauge duals for nonsupersymmetric asymptotically free gauge theories developing an infrared fixed point by computing the S-parameter in the electric and dual magnetic description. In particular we show that at the lower bound of the conformal window the magnetic S-parameter, i.e.
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