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9 papers · 1 filter
Energy Centroids of Spin States by Random Two-body Interactions
Y. M. Zhao, A. Arima, K. Ogawa
In this paper we study the behavior of energy centroids (denoted as ) of spin states in the presence of random two-body interactions, for systems ranging from very s…
phi photo-production from Li, C, Al, and Cu nuclei at Egamma=1.5 - 2.4 GeV
T. Ishikawa, D. S. Ahn, J. K. Ahn +39
The photo-production of mesons from Li, C, Al, and Cu at forward angles has been measured at =1.5--2.4 GeV. The number of events for incoherent phi photo-production is…
Phase Diagram of the ------ Model at Quarter Filling
Satoshi Ejima, Florian Gebhard, Satoshi Nishimoto +1
We examine the ground-state properties of the one-dimensional Hubbard model at quarter filling with Coulomb interactions between nearest-neighbors and next-nearest neighbors…
Approximate conjugacy and full groups of Cantor minimal systems
Hiroki Matui
H. Lin and the author introduced the notion of approximate conjugacy of dynamical systems. In this paper, we will discuss the relationship between approximate conjugacy and full gr…
Numerical Radius Norms on Operator Spaces
Takashi Itoh, Masaru Nagisa
We introduce a numerical radius operator space . The conditions to be a numerical radius operator space are weaker than the Ruan's axiom for an operator space $…
Patterns of the ground states in the presence of random interactions: nucleon systems
Y. M. Zhao, A. Arima, N. Shimizu +3
We present our results on properties of ground states for nucleonic systems in the presence of random two-body interactions. In particular we present probability distributions for…