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Observational Constraints on Varying Alpha in Λ(α)CDM Cosmology
《Communications in Theoretical Physics》2017年第11期632-640,共9页韦浩 薛冬泽 
Supported by the National Natural Science Foundation of China under Grant Nos.11575022 and 11175016
In this work, we consider the so-called Λ(α)CDM cosmology with Λ∝α^(-6) while the fine-structure"constant" α is varying. In this scenario, the accelerated expansion of the universe is driven by the cosmological"...
关键词：cosmological constant fine-structure constant observational constraints vacuum energy observational cosmology 
SEIR Model of Rumor Spreading in Online Social Network with Varying Total Population Size被引量：6
《Communications in Theoretical Physics》2017年第10期545-552,共8页董苏雅拉图 邓燕斌 黄永畅 
Supported by National Natural Science Foundation of China under Grant Nos.11275017 and 11173028
Based on the infectious disease model with disease latency, this paper proposes a new model for the rumor spreading process in online social network. In this paper what we establish an SEIR rumor spreading model to de...
关键词：online social network rumor spreading model equilibrium point varying population size 
Fermionic Particle Production by Varying Electric and Magnetic Fields
《Communications in Theoretical Physics》2016年第11期521-525,共5页Kenan Sogut Hilmi Yanar Ali Havare 
Supported by the Research Fund of Mersin University in TURKEY with project number:2016-1-AP4-1425
Creation of fermionic particles by a time-dependent electric field and a space-dependent magnetic field is studied with the Bogoulibov transformation method. Exact analytic solutions of the Dirac equation are obtained...
关键词：electromagnetic interactions pair production 
Study of Radially Varying Magnetic Field on Blood Flow through Catheterized Tapered Elastic Artery with Overlapping Stenosis
《Communications in Theoretical Physics》2015年第11期537-546,共10页S.Nadeem S.Ijaz 
A precise model has been developed for studying the inBuence of metallic nanoparticles on blood Row through catheterized tapered elastic arteries with radially varying magnetic field.The model is solved under the mild...
关键词：BLOOD flow OVERLAPPING STENOSIS radially VARYING m 
Efect of Varying Dzyaloshinskii–Moriya Interaction on the Bistable Nano-Scale Soliton Switching
《Communications in Theoretical Physics》2013年第12期658-662,共5页L.Kavitha M.Saravanan V.Senthilkumar D.Gopi 
support by NBHM in the form of major research project, BRNS in the form of Young Scientist Research Award, India and ICTP, Italy in the form of Junior Associateship;financial support from CSIR, India in the form of Senior Research Fellowship
The effect of Dzyaloshinskii-Moriya （D-M） interaction on the bistable nano-scale soliton switching offers the possiblity of developing a new innovative approach for data storage technology. The dynamics of Heisenber...
关键词：SOLITONS magnetization reversal mechanisms perturbation theory exchange interactions 
Multi-Type Directed Scale-Free Percolation
《Communications in Theoretical Physics》2012年第4期701-716,共16页SHANG Yi-Lun 
In this paper,we study a long-range percolation model on the lattice Z d with multi-type vertices and directed edges.Each vertex x ∈ Z d is independently assigned a non-negative weight Wx and a type ψx,where(Wx) x∈...
关键词：long-range percolation random graph phase transition directed percolation regularly varying chemical distance 
Matter-Wave Solitons in Two-Component Bose—Einstein Condensates with Tunable Interactions and Time Varying Potential
《Communications in Theoretical Physics》2011年第12期1035-1040,共6页宣恒农 左苗 
Supported by the National Natural Science Foundation of China under Grant Nos.11041003 and 60802087;the Natural Science Foundation of Jiangsu Province under Grant No.BK2004119
We present three families of exact matter-wave soliton solutions for an effective one-dimension twocomponent Bose-Einstein condensates(BECs) with tunable interactions,harmonic potential and gain or loss term. We inves...
关键词：matter-wave solitons Bose-Einstein condensates coupled Gross-Pitaevskii equation 
Normally-Ordered Time Evolution Operator for Mass-Varying Harmonic Oscillator and Wigner Function of Squeezed Number State
《Communications in Theoretical Physics》2010年第7期67-72,共6页唐绪兵 许雪芬 范洪义 
Supported by National Natural Science Foundation of China under Grant No.10874174
For investigating dynamic evolution of a mass-varying harmonic oscillator we constitute a ket-bra integrationoperator in coherent state representation and then perform this integral by virtue of the technique of integ...
关键词：harmonic oscillator Wigner function damping mass-varying 
Coordinated Control of Multi-Agent Systems with a Varying-Velocity Leader and Input Saturation被引量：1
《Communications in Theoretical Physics》2009年第9期449-456,共8页PENG Ke SU Hou-Sheng YANG Yu-Pu 
Supported by the National Science Foundation of China under Grant Nos.10702023,10832006,and 60704041;the Research Fund for the Doctoral Program of Higher Education under Grant No.20070487090
In this paper,we investigate a leader-following tracking problem for multi-agent systems with boundedinputs.We propose a distributed bounded protocol for each follower to track a leader whose states may not be complet...
关键词：CONSENSUS coordinated control multi-agent system networked system input saturation switching topology 
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