نتایج جستجو برای: classical transition state

تعداد نتایج: 1232531  

2005
David Pekker Swagatam Mukhopadhyay Nandini Trivedi Paul M. Goldbart

The analytical zero-temperature phase diagram of the double exchange model for classical background spins as a function of the carrier density and Hund’s coupling in the entire range of these parameters is presented. By constructing a continuum field theory we explore the possibility of a continuous phase transition from ferromagnetic state to a gently varying textured state. We find such a tra...

2007
J. ADAMY

This note presents the explicit form of the Laplace transform of the state transition matrix in the case of a system matrix being a companion matrix. Starting from this special case, we show how to compute the Laplace transform of the state transition matrix for any system matrix.1

مصدق, حمید, کشاورز, فرزانه,

In this study, the effect of four-spin exchanges between the nearest and next nearest neighbor spins of honeycomb lattice on the phase diagram of S=3/2 antiferomagnetic Heisenberg model is considered with two-spin exchanges between the nearest and next nearest neighbor spins. Firstly, the method is investigated with classical phase diagram. In classical phase diagram, in addition to Neel order,...

Journal: :Journal of Cosmology and Astroparticle Physics 2016

Journal: :physical chemistry research 0
abdulfatai adabara siaka ahmadu bello university, zaria adamu uzairu sulaiman idris hamza abba

reaction mechanism among indoline-2,3-dione, pyrrolidine-2-carboxylic acid and (z)-2-(1-(2-hydroxynaphthalen-1-yl)ethylidene)hydroxycarboxamide to form 1’-((((aminooxy)carbonyl)amino)methyl)-2’-(1-hydroxynaphthalen-2-yl)-2’-methyl-1’,2’,5’,6’,7’,7a’-hexahydrospiro[indoline-3,3’-pyrrolo[1,2-a]imidazole-2-one was investigated using density functional theory (dft) at b3lyp basis theory. the three-...

2008
Ivo P Degiovanni Marco Genovese Valentina Schettini Maria Bondani Alessandra Andreoni Matteo G A Paris

We address the pair of conjugated field modes obtained from parametricdownconversion as a convenient system to analyze the quantum-classical transition in the continuous variable regime. We explicitly evaluate intensity correlations, negativity and entanglement for the system in a thermal state and show that a hierarchy of nonclassicality thresholds naturally emerges in terms of thermal and dow...

2017
Xiaolin Zhou Yangwei Jiang Zhenyu Deng Linxi Zhang

By employing molecular dynamics simulations, we explore the dynamics of NPs in semiflexible ring polymer nanocomposite melts. A novel glass transition is observed for NPs in semiflexible ring polymer melts as the bending energy (Kb) of ring polymers increases. For NPs in flexible ring polymer melts (Kb = 0), NPs move in the classic diffusive behavior. However, for NPs in semiflexible ring polym...

Objectives: Cancer is one of the leading causes of death among the elderly in the world. There are several factors involved in the development and progression of cancer. Therefore, knowing these factors and how they affect the cancer patient’s process can help in timely treatment of the disease. This study aims to evaluate the effects of admission age and Gleason score on the state transition i...

Afshin Jalali Elham Khodaverdi, Famaz Sadat Mirzazadeh Tekie Farshad Farhadi Omid rajabi,

Objective(s) Physiological changes in the body may be utilized as potential triggers for controlled drug delivery. Based on these mechanisms, stimulus-responsive drug delivery has been developed. Materials and Methods In this study, a kind of poly (N-isopropylacrylamide-acrylamide) membrane was prepared by radical copolymerization. Changes in swelling ratios and diameters of the membrane wer...

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