Journal of Physics A: Mathematical and Theoretical latest papers http://stacks.iop.org/1751-8121 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. en-gb Copyright © IOP Publishing 2009 Thu, 01 Jan 1970 00:00:00 GMT Thu, 01 Jan 1970 00:00:00 GMT http://syndication.iop.org/about/ custserv@iop.org (Customer Services) Journal of Physics A: Mathematical and Theoretical http://images.iop.org/website-logos/ejs_logo.png http://stacks.iop.org/ Classical integrable field theories in discrete (2 + 1)-dimensional spacetime http://stacks.iop.org/1751-8121/42/i=29/a=295206?rss=2.0 Author(s): Sergey M Sergeev<br>Affiliation(s): Faculty of Informational Sciences and Engineering, University of Canberra, Bruce ACT 2601, Australia Thu, 02 Jul 2009 23:00:00 GMT Topological recursion in enumerative geometry and random matrices http://stacks.iop.org/1751-8121/42/i=29/a=293001?rss=2.0 Author(s): Bertrand Eynard and Nicolas Orantin<br>Affiliation(s): Institut de Physique Theorique, CEA, IPhT, F-91191 Gif-sur-Yvette, France; CNRS, URA 2306, F-91191 Gif-sur-Yvette, France; Theory Department, CERN, CH-1211 Geneva 23, Switzerland Thu, 02 Jul 2009 23:00:00 GMT Quantum homodyne tomography as an informationally complete positive-operator-valued measure http://stacks.iop.org/1751-8121/42/i=29/a=295302?rss=2.0 Author(s): Paolo Albini, Ernesto De Vito and Alessandro Toigo<br>Affiliation(s): Dipartimento di Informatica, Universita di Genova, Via Dodecaneso 35, Genova 16146, Italy; Dipartimento di Scienze per l'Architettura, Universita di Genova, Stradone S. Agostino 37, Genova 16123, Italy; I.N.F.N., Sezione di Genova, Via Dodecaneso 33, Genova 16146, Italy Thu, 02 Jul 2009 23:00:00 GMT Ground states of the Heisenberg evolution operator in discrete three-dimensional spacetime and quantum discrete BKP equations http://stacks.iop.org/1751-8121/42/i=29/a=295207?rss=2.0 Author(s): Sergey M Sergeev<br>Affiliation(s): Faculty of Information Sciences and Engineering, University of Canberra, Bruce ACT 2601, Australia Thu, 02 Jul 2009 23:00:00 GMT Quantum field theory on quantum graphs and application to their conductance http://stacks.iop.org/1751-8121/42/i=29/a=295205?rss=2.0 Author(s): E Ragoucy<br>Affiliation(s): Laboratoire de Physique Theorique LAPTH UMR 5108 du CNRS, associee a l'Universite de Savoie LAPP, BP 110, F-74941 Annecy-le-Vieux, Cedex, France Mon, 29 Jun 2009 23:00:00 GMT Darboux transformations and supersymmetry for the generalized Schrödinger equations in (1+1) dimensions http://stacks.iop.org/1751-8121/42/i=29/a=295203?rss=2.0 Author(s): A A Suzko and A Schulze-Halberg<br>Affiliation(s): Joint Institute for Nuclear Research, 141980 Dubna, Russia; JIPENP, National Academy of Sciences of Belarus, Minsk, Belarus; School of Physics and Mathematics, National Polytechnical Institute, Col San Pedro Zacatenco, 07730 Mexico D F, Mexico Mon, 29 Jun 2009 23:00:00 GMT A spectral approach to the Dirac equation in the non-extreme Kerr–Newmann metric http://stacks.iop.org/1751-8121/42/i=29/a=295204?rss=2.0 Author(s): Monika Winklmeier and Osanobu Yamada<br>Affiliation(s): Departamento de Matematicas, Universidad de los Andes, A.A. 4976 Bogota, Columbia; Department of Mathematical Sciences, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan Mon, 29 Jun 2009 23:00:00 GMT New classes of nonlinear vector coherent states of generalized spin–orbit Hamiltonians http://stacks.iop.org/1751-8121/42/i=29/a=295202?rss=2.0 Author(s): Joseph Ben Geloun and Mahouton Norbert Hounkonnou<br>Affiliation(s): National Institute for Theoretical Physics NITheP, Private Bag X1, Matieland 7602, South Africa; International Chair in Mathematical Physics and Applications (ICMPA-UNESCO Chair), 072 BP 50 Cotonou, Republic of Benin; Departement de Mathematiques et Informatique Faculte des Sciences et Techniques, Universite Cheikh Anta Diop, Senegal Mon, 29 Jun 2009 23:00:00 GMT Scattering in the -symmetric Coulomb potential http://stacks.iop.org/1751-8121/42/i=29/a=295201?rss=2.0 Author(s): Geza Levai, Petr Siegl and Miloslav Znojil<br>Affiliation(s): Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI), PO Box 51, H-4001 Debrecen, Hungary; Nuclear Physics Institute of Academy of Sciences of the Czech Republic, 25068 Rez, Czech Republic; Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, 11519 Prague, Czech Republic; Laboratoire Astroparticules et Cosmologie, Universite Paris Diderot, 75205 Paris, France Mon, 29 Jun 2009 23:00:00 GMT Efficient one-way quantum computations for quantum error correction http://stacks.iop.org/1751-8121/42/i=29/a=295301?rss=2.0 Author(s): Wei Huang and Zhaohui Wei<br>Affiliation(s): Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI 48109, USA; State Key Laboratory of Intelligent Technology and Systems, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, People's Republic of China Mon, 29 Jun 2009 23:00:00 GMT