نتایج جستجو برای: rvb

تعداد نتایج: 166  

Journal: :Journal of artificial intelligence and technology 2022

Deep convolutional neural networks (CNNs) with strong learning abilities have been used in the field of image super-resolution. However, some CNNs depends on a single deep network to training an super-resolution model, which will poor performance complex screens. To address this problem, we propose hybrid denoising CNN (HDCNN). HDCNN is composed dilated block (DB), RepVGG (RVB) and feature refi...

1996
H. Fukuyama

The Néel and the singlet RVB orders of the t-J model in a 2D square lattice are studied in the slave-boson mean-field approximation. It is shown that the Néel order parameter takes the maximum value at the finite temperature and disappear at the lower temperature for a certain range of doping. It is also shown that the Néel and the singlet RVB orders coexist at low temperature. This suggests th...

2013
Himadri Shekhar Dhar Aditi SenDe Ujjwal Sen

We formulate an efficient method for characterizing and quantifying genuine multipartite entanglement in two-dimensional (2D) Heisenberg spin systems where the ground state is a large superposition obtained from nearest-neighbor dimer coverings on spin-1/2 lattices, the resonating valence bond (RVB) state. We find an analytical iterative method, the density matrix recursion method, to generate ...

2000
Z. Y. Weng D. N. Sheng C. S. Ting

We present a self-consistent RVB theory which unifies the metallic (superconducting) phase with the half-filling antiferromagnetic (AF) phase. Two crucial factors in this theory include the RVB condensation which controls short-range AF spin correlations and the phase string effect introduced by hole hopping as a key doping effect. We discuss both the uniform and non-uniform mean-field solution...

2000
Z. Y. Weng D. N. Sheng

We present a self-consistent RVB theory which unifies the metallic (superconducting) phase with the half-filling antiferromagnetic (AF) phase. Two crucial factors in this theory include the RVB condensation which controls short-range AF spin correlations and the phase string effect introduced by hole hopping as a key doping effect. We discuss both the uniform and non-uniform mean-field solution...

Journal: :PloS one 2016
Nitipong Homwong Andres Diaz Stephanie Rossow Max Ciarlet Douglas Marthaler

Rotaviruses (RV) are important causes of diarrhea in animals, especially in domestic animals. Of the 9 RV species, rotavirus A, B, and C (RVA, RVB, and RVC, respectively) had been established as important causes of diarrhea in pigs. The Minnesota Veterinary Diagnostic Laboratory receives swine stool samples from North America to determine the etiologic agents of disease. Between November 2009 a...

Journal: :Journal of molecular biology 2010
Kevin L Y Cheung Jennifer Huen Yoshito Kakihara Walid A Houry Joaquin Ortega

Rvb1 and Rvb2 are essential AAA(+) (ATPases associated with diverse cellular activities) helicases, which are important components of critical complexes such as chromatin remodeling and telomerase complexes. The oligomeric state of the Rvb proteins has been controversial. Independent studies from several groups have described the yeast and human Rvb1/Rvb2 complex both as a single and as a doubl...

In this paper, numerical simulation for a two-dimensional viscous and incompressible flow past the elliptical airfoil is presented by Random Vortex Blob (RVB). RVB is a numerical technique to solve the incompressible, two-dimensional and unsteady Navier-Stocks equations by converting them to rotational non-primitive formulations. In this method, the velocity vector at a certain point can be cal...

Journal: :Journal of Swine Health and Production 2023

Objective: The objectives of this study were to determine the pattern rotavirus A (RVA), B (RVB), and C (RVC) shedding in gilts after natural planned exposure (NPE) administration assess effects on piglet weaning weight, preweaning mortality, RV shedding. Materials methods: total 70 pregnant enrolled allocated into 4 groups. Group 1 was given NPE at 5, 4, 3 weeks prefarrowing (WPF); 2 5 WPF; WP...

Journal: :Computer Physics Communications 2005
Michele Casula Seiji Yunoki Claudio Attaccalite Sandro Sorella

Although mean field theories have been very successful to predict a wide range of properties for solids, the discovery of high temperature superconductivity in cuprates supported the idea that strongly correlated materials cannot be qualitatively described by a mean field approach. After the original proposal by Anderson [P. W. Anderson, Science 235, 1196 (1987)], there is now a large amount of...

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