منابع مشابه
Regge Behaviour from an Environmentally Friendly Renormalization Group
The asymptotic behaviour of cubic field theories is investigated in the Regge limit using the techniques of environmentally friendly renormalization, environmentally friendly in the present context meaning asymmetric in its momentum dependence. In particular we consider the crossover between large and small energies at fixed momentum transfer for a model scalar theory of the type φ 2 ψ. The asy...
متن کاملRegge Behaviour from an Environmentally Friendly Renormalization Group 1
The asymptotic behaviour of cubic field theories is investigated in the Regge limit using the techniques of environmentally friendly renormalization, environmentally friendly in the present context meaning asymmetric in its momentum dependence. In particular we consider the crossover between large and small energies at fixed momentum transfer for a model scalar theory of the type φ 2 ψ. The asy...
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The known analytic properties of the Compton amplitude at small Q place significant constraints on its behaviour at large Q. This calls for a re-evaluation of the role of perturbative evolution in past fits to data.
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In this paper, using the tight-binding model, we extend the real-space renormalization group method to time-dependent Hamiltonians. We drive the time-dependent recursion relations for the renormalized tight-binding Hamiltonian by decimating selective sites of lattice iteratively. The formalism is then used for the calculation of the local density of electronic states for a one dimensional quant...
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ژورنال
عنوان ژورنال: Physics Letters
سال: 1963
ISSN: 0031-9163
DOI: 10.1016/s0375-9601(63)94573-0