New from Journal of Physics A

Syndicate content Journal of Physics A: Mathematical and Theoretical
A major journal reporting work on the fundamental mathematical and computational methods underpinning physics. Each issue of the journal is split into six sections: statistical physics; chaotic and complex systems; mathematical physics; quantum mechanics and quantum information theory; classical and quantum field theory; and fluid and plasma theory.
Updated: 8 hours 52 min ago

Exceptional orthogonal polynomials, exactly solvable potentials and supersymmetry

Thu, 08/28/2008 - 23:00
Author(s): C Quesne
Affiliation(s): Physique Nucléaire Théorique et Physique Mathématique, Université Libre de Bruxelles, Campus de la Plaine CP229, Boulevard du Triomphe, B-1050 Brussels, Belgium

Algebraic integrability of the confluent Neumann system

Thu, 08/28/2008 - 23:00
Author(s): Martin Vuk
Affiliation(s): Faculty of Computer and Information Science, University of Ljubljana, Trzska cesta 25, SI-1001 Ljubljana, Slovenia

The formal derivation of an exact series expansion for the principal Schottky–Nordheim barrier function v, using the Gauss hypergeometric differential equation

Thu, 08/28/2008 - 23:00
Author(s): Jonathan H B Deane and Richard G Forbes
Affiliation(s): Department of Mathematics, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK; Advanced Technology Institute (X1), Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK

The applicability of constrained symplectic integrators in general relativity

Wed, 08/27/2008 - 23:00
Author(s): Jörg Frauendiener
Affiliation(s): Department of Mathematics and Statistics, University of Otago, PO Box 56, Dunedin 9010, New Zealand; Centre of Mathematics for Applications, University of Oslo, PO Box 1053 Blindern, NO-0316 Oslo, Norway

A Kohn–Sham system at zero temperature

Wed, 08/27/2008 - 23:00
Author(s): H Cornean, K Hoke, H Neidhardt, P N Racec and J Rehberg
Affiliation(s): Department of Mathematical Sciences, Aalborg University, Fredrik Bajers Vej 7E, DK-9220 Aalborg, Denmark; Weierstrass Institute for Applied Analysis and Stochastics, Mohrenstr. 39, D-10117 Berlin, Germany

Soluble one-dimensional particle conservation models with infinitely many absorbing states

Wed, 08/27/2008 - 23:00
Author(s): Evandro F da Silva and Mário J de Oliveira
Affiliation(s): Instituto de Física, Universidade de São Paulo, Caixa Postal 66318, 05315-970 São Paulo, São Paulo, Brazil

Block Toeplitz operators with rational symbols (II)

Wed, 08/27/2008 - 23:00
Author(s): In Sung Hwang and Woo Young Lee
Affiliation(s): Department of Mathematics, Sungkyunkwan University, Suwon 440-746, Korea; Department of Mathematics, Seoul National University, Seoul 151-742, Korea

The instability of the spiral wave induced by the deformation of elastic excitable media

Wed, 08/27/2008 - 23:00
Author(s): Jun Ma, Ya Jia, Chun-Ni Wang and Shi-Rong Li
Affiliation(s): Department of Physics, Central China Normal University, Wuhan 430079, People's Republic of China; School Of Science, Lanzhou University of Technology, Lanzhou 730050, People's Republic of China

Normal forms and uniform approximations for bridge orbit bifurcations

Wed, 08/27/2008 - 23:00
Author(s): Ken-ichiro Arita and Matthias Brack
Affiliation(s): Department of Physics, Nagoya Institute of Technology, 466-8555 Nagoya, Japan; Institute for Theoretical Physics, University of Regensburg, D-93040 Regensburg, Germany

Nested subgraphs of complex networks

Mon, 08/25/2008 - 23:00
Author(s): Bernat Corominas-Murtra, José F F Mendes and Ricard V Solé
Affiliation(s): ICREA-Complex Systems Lab, Universitat Pompeu Fabra, Dr Aiguader 80, 08003 Barcelona, Spain; Departamento de Física da Universidade de Aveiro, 3810-193 Aveiro, Portugal; Santa Fe Institute, 1399 Hyde Park Road, New Mexico 87501, USA

Exponential generating functions for the associated Bessel functions

Mon, 08/25/2008 - 23:00
Author(s): H Fakhri, B Mojaveri and M A Gomshi Nobary
Affiliation(s): Department of Theoretical Physics and Astrophysics, Physics Faculty, University of Tabriz, PO Box 51666-16471, Tabriz, Iran; Department of Physics, Faculty of Science, Razi University, Kermanshah, Iran

Generating functions for effective Hamiltonians via the symmetrized Hadamard product

Mon, 08/25/2008 - 23:00
Author(s): Boris Zhilinskii
Affiliation(s): Université du Littoral, UMR 8101 du CNRS, Dunkerque, France

The alignment of cylindrically layered smectic A liquid crystals with director tilt on the boundaries

Mon, 08/25/2008 - 23:00
Author(s): A J Walker
Affiliation(s): Department of Mathematics, University of Strathclyde, Livingstone Tower, 26 Richmond Street, Glasgow, G1 1XH, UK

The predictability of band-limited, high-frequency and mixed processes in the presence of ideal low-pass filters

Thu, 08/21/2008 - 23:00
Author(s): Nikolai Dokuchaev
Affiliation(s): Department of Mathematics, Trent University, Ontario, Canada

A modified floor field cellular automata model for pedestrian evacuation simulation

Thu, 08/21/2008 - 23:00
Author(s): Ren-Yong Guo and Hai-Jun Huang
Affiliation(s): School of Economics and Management, Beijing University of Aeronautics and Astronautics, Beijing 100083, People's Republic of China

Solvable model for pair excitation in trapped Boson gas at zero temperature

Thu, 08/21/2008 - 23:00
Author(s): Dionisios Margetis
Affiliation(s): Department of Mathematics, and Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742, USA

Tunneling by a semiclassical initial value method with higher order corrections

Thu, 08/21/2008 - 23:00
Author(s): Gili Hochman and Kenneth G Kay
Affiliation(s): Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel

Global synchronization of drive–response dynamical networks subject to input nonlinearity

Thu, 08/21/2008 - 23:00
Author(s): Rong Li, Zhisheng Duan and Guanrong Chen
Affiliation(s): State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering, College of Engineering, Peking University, Beijing 100871, People's Republic of China; Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, People's Republic of China

Mixed-state entanglement and quantum teleportation through noisy channels

Thu, 08/21/2008 - 23:00
Author(s): Eylee Jung, Mi-Ra Hwang, DaeKil Park, Jin-Woo Son and Sayatnova Tamaryan
Affiliation(s): Department of Physics, Kyungnam University, Masan 631-701, Korea; Department of Mathematics, Kyungnam University, Masan 631-701, Korea; Theory Department, Yerevan Physics Institute, Yerevan-36, 375036, Armenia

On the question of temperature transformations under Lorentz and Galilei boosts

Thu, 08/21/2008 - 23:00
Author(s): Geoffrey L Sewell
Affiliation(s): Department of Physics, Queen Mary, University of London, Mile End Road, London E1 4NS, UK