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    Chapter and Conference Paper

    Study of ± J Ising Spin Glasses via Multicanonical Ensemble

    We performed numerical simulations of 2D and 3D Edwards-Anderson spin glass models by using the recently developed multicanonical ensemble. Our ergodicity times increase with the lattice size approximately as V ...

    T. Celik, U. H. E. Hansmann, B. Berg in Computer Simulation Studies in Condensed-M… (1993)

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    Chapter

    SU(2) Lattice Gauge Theory: Standard Action Versus Symanzik’s Tree-Improved Action

    We carry out Monte Carlo simulations of the 4d SU(2) lattice gauge theory. The standard action and the Symanzik tree-improved action are used. Results for the string tension, glueball masses, and energy-momentum ...

    B. Berg, A. Billoire, S. Meyer, C. Panagiotakopoulos in Quantum Field Theory (1985)

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    Chapter and Conference Paper

    S matrix theory of the massive thirring model

    The S matrix theory of the massive Thirring model, describing the exact quantum scattering of solitons and their bound-states, is reviewed. Treated are: Factorization equations and their solution, boundstates,...

    B. Berg in Complex Analysis, Microlocal Calculus and Relativistic Quantum Theory (1980)