Search Results - subject:"Field theory"

Critical and tricritical behavior of a selectively diluted triangular Ising antiferromagnet in a field

Borovský, M.; Žukovič, M.; Bobák, A. - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 1, pp. 157-167

diluted with nonmagnetic impurities employing an effective-field theory with correlations and Monte Carlo simulations. We …

Persistent link: https://www.econbiz.de/10011057989

Numerical determination of the boundary condition changing operators

Najafi, M.N. - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 20, pp. 5179-5185

A new numerical method to determine the boundary condition changing (bcc) operators in the boundary conformal field … theory (BCFT) is introduced. This method is based on a variant of Schramm–Loewner Evolution (SLE), namely SLE(κ,ρ). As a …

Persistent link: https://www.econbiz.de/10011060065

The persistence length and length per base of single-stranded DNA obtained from fluorescence correlation spectroscopy measurements using mean field theory

Chi, Qingjia; Wang, Guixue; Jiang, Jiahuan - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 5, pp. 1072-1079

A dynamical mean field theory is used to predict the end-monomer mean square displacement of single-stranded DNA and … obtained from single molecule force measurements. The lp and ld obtained from mean field theory complement the current data …

Persistent link: https://www.econbiz.de/10011060213

Phase diagrams of the transverse Ising antiferromagnet in the presence of the longitudinal magnetic field

Neto, Minos A.; Sousa, J. Ricardo de - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 1, pp. 1-6

longitudinal (H) and transverse (Ω) magnetic fields. Using the effective-field theory (EFT) with correlation in single site …

Persistent link: https://www.econbiz.de/10011060720

Opinion evolution on a BA scaling network

Zhu, Yue-ying; Li, Wei; Cai, Xu - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 24, pp. 6596-6602

BA scaling network. Additionally, some theoretical analysis is given based on mean-field theory, by neglecting …

Persistent link: https://www.econbiz.de/10011060866

Investigation of critical phenomena and magnetism in amorphous Ising nanowire in the presence of transverse fields

Yüksel, Yusuf; Akıncı, Ümit; Polat, Hamza - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 10, pp. 2347-2358

effective field theory (EFT) with correlations in the presence of transverse fields and surface shell amorphization. Both weak …

Persistent link: https://www.econbiz.de/10011062202

Effective field theory for the Ising model with a fluctuating exchange integral in an asymmetric bimodal random magnetic field: A differential operator technique

Hadjiagapiou, Ioannis A. - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 5, pp. 1063-1071

presence of a random magnetic field, is investigated within the framework of the effective field theory based on the use of the …

Persistent link: https://www.econbiz.de/10011062412

Thermodynamics properties of an anisotropic Ising antiferromagnet in both external longitudinal and transverse fields

Nascimento, Denise A. do; Neto, Minos A.; Sousa, J. … - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 21, pp. 5313-5321

uniform longitudinal field H and transverse magnetic field Ω. Using the effective-field theory (EFT) with correlation in …

Persistent link: https://www.econbiz.de/10011063505

Hydrophobic force, a Casimir-like effect due to hydrogen-bond fluctuations

Kanth, Jampa Maruthi Pradeep; Anishetty, Ramesh - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 20, pp. 4804-4823

first principles of statistical mechanics in a lattice model for water. Using the molecular mean field theory technique we …

Persistent link: https://www.econbiz.de/10010742319

Scale-free networks via attaching to random neighbors

Yang, Xu-Hua; Lou, Shun-Li; Chen, Guang; Chen, Sheng-Yong; … - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 17, pp. 3531-3536

Preferential attachment is considered one of the key factors in the formation of scale-free networks. However, complete random attachment without a preferential mechanism can also generate scale-free networks in nature, such as protein interaction networks in cells. This article presents a new...

Persistent link: https://www.econbiz.de/10010679209