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9 papers · 1 filter
Deformation Expression for Elements of Algebra
H. Omori, Y. Maeda, N. Miyazaki +1
The purpose of this paper is to give a notion of deformation of expressions for elements of algebra. Deformation quantization (cf.[BF]) deforms the commutative world to a non-commu…
Magnetic-field Induced Screening Effect and Collective Excitations
Kenji Fukushima
We explicitly construct the fermion propagator in a magnetic field background B to take the lowest Landau-level approximation. We analyze the energy and momentum dependence in the…
Interaction of half-quantized vortices in two-component Bose-Einstein condensates
Minoru Eto, Kenichi Kasamatsu, Muneto Nitta +2
We study the asymptotic interaction between two half-quantized vortices in two-component Bose-Einstein condensates. When two vortices in different components are placed at distance…
Generalized Self-Duality Equations of Polynomial Type in Yang-Mills Theories
Hironobu Kihara
The purpose of this paper is to generalize the self-duality equation by Tchrakian and Corrigan et. al.. Novel generalized self-duality equations on higher-dimensional spaces are di…
A self-similar process arising from a random walk with random environment in random scenery
Brice Franke, Tatsuhiko Saigo
In this article, we merge celebrated results of Kesten and Spitzer [Z. Wahrsch. Verw. Gebiete 50 (1979) 5-25] and Kawazu and Kesten [J. Stat. Phys. 37 (1984) 561-575]. A random wal…
Tunneling properties of Bogoliubov mode and spin wave modes in supercurrent states of a spin-1 ferromagnetic spinor Bose-Einstein condensate
Shohei Watabe, Yusuke Kato, Yoji Ohashi
We investigate tunneling properties of collective excitations in the ferromagnetic phase of a spin-1 spinor Bose-Einstein condensate (BEC). In addition to the Bogoliubov mode, this…