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Unconventional quantum phases in lattice bosonic mixtures

Buonsante, P.; Giampaolo, S. M.; Illuminati, F.; Penna, V. - In: The European Physical Journal B - Condensed Matter and … 68 (2009) 3, pp. 427-433

Persistent link: https://www.econbiz.de/10009282153

Superfluid to Mott insulator quantum phase transition in a 2D permanent magnetic lattice

Ghanbari, Saeed; Blakie, P. Blair; Hannaford, Peter; … - In: The European Physical Journal B - Condensed Matter and … 70 (2009) 3, pp. 305-310

Persistent link: https://www.econbiz.de/10009282401

Symbolic-computation construction of transformations for a more generalized nonlinear Schrödinger equation with applications in inhomogeneous plasmas, optical fibers, viscous fluid...

Xu, Tao; Zhang, Chun-Yi; Wei, Guang-Mei; Li, Juan; … - In: The European Physical Journal B - Condensed Matter and … 55 (2007) 3, pp. 323-332

Currently, the variable-coefficient nonlinear Schrödinger (NLS)-typed models have attracted considerable attention in such fields as plasma physics, nonlinear optics, arterial mechanics and Bose-Einstein condensates. Motivated by the recent work of Tian et al. [Eur. Phys. J. B <Emphasis Type="Bold">47, 329 (2005)],...</emphasis>

Persistent link: https://www.econbiz.de/10009282432

Enhanced fluxon transmission through impurities

Zolotaryuk, Y. - In: The European Physical Journal B - Condensed Matter and … 62 (2008) 3, pp. 349-355

Fluxon transmission through several impurities of different strength and type (i.e., microshorts and microresistors), placed in a long Josephson junction is investigated. Retrapping current on the impurities is computed as a function of the distance between them, their amplitudes and the...

Persistent link: https://www.econbiz.de/10009282594

On the critical point of an interacting two-dimensional trapped Bose gas

Simula, T. P. - In: The European Physical Journal B - Condensed Matter and … 68 (2009) 3, pp. 453-455

Persistent link: https://www.econbiz.de/10009282610

Physical realization and possible identification of topological excitations in quantum Heisenberg anti-ferromagnet on a two dimensional lattice

Chaudhury, R.; Paul, S. K. - In: The European Physical Journal B - Condensed Matter and … 69 (2009) 4, pp. 491-498

Persistent link: https://www.econbiz.de/10009282822

Numerical simulation of two-dimensional sine-Gordon solitons via a split cosine scheme

Sheng, Q.; Khaliq, A.Q. M.; Voss, D.A. - In: Mathematics and Computers in Simulation (MATCOM) 68 (2005) 4, pp. 355-373

numerical stability. Numerical demonstrations for colliding circular solitons are given. …

Persistent link: https://www.econbiz.de/10010749626

Propagation of sech2-type solitary waves in hierarchical KdV-type systems

Ilison, Lauri; Salupere, Andrus - In: Mathematics and Computers in Simulation (MATCOM) 79 (2009) 11, pp. 3314-3327

A hierarchical Korteweg–de Vries-type evolution equation is applied for modelling wave propagation in dilatant granular materials. The model equation is integrated numerically under sech2-type initial conditions using the Fourier transform-based pseudospectral method. Numerical simulations are...

Persistent link: https://www.econbiz.de/10010749632

Nonlinear dispersion relations

Ludu, A.; Kevrekidis, P.G. - In: Mathematics and Computers in Simulation (MATCOM) 74 (2007) 2, pp. 229-236

We examine how nonlinear dispersion relations (NLDR) can be used as a simple, universal algebraic tool to provide information for the localized, nonlinear solutions of PDE that model physical systems. Such scaling relations between width, amplitude and velocity are of great help for numerical...

Persistent link: https://www.econbiz.de/10010749768

Analysis of coupled oceanographic and acoustic soliton simulations in the Yellow Sea: a search for soliton-induced resonances

Chin-Bing, S.A.; Warn-Varnas, A.; King, D.B.; Lamb, K.G.; … - In: Mathematics and Computers in Simulation (MATCOM) 62 (2003) 1, pp. 11-20

by solitary internal waves (solitons). Their hypothesis remains unsubstantiated due to a scarcity of oceanographic … measurements in this area. In this simulation study the non-hydrostatic, 2.5-dimensional Lamb model was used to generate solitons … lead to the formulation of internal bores and solitons. SAR observations of solitons near this region were used to select …

Persistent link: https://www.econbiz.de/10010750028