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Title: | Real-space renormalization for reaction-diffusion systems | Authors: | HOOYBERGHS, Jef VANDERZANDE, Carlo |
Issue Date: | 2000 | Publisher: | IOP PUBLISHING LTD | Source: | JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 33(5). p. 907-919 | Abstract: | The stationary state of stochastic processes such as reaction-diffusion systems can be related to the ground state of a suitably defined quantum Hamiltonian. Using this analogy, we investigate the applicability of a real-space renormalization group approach, originally developed for quantum spin systems, to interacting particle systems. We apply the technique to an exactly solvable reaction-diffusion system and to the contact process (both in d = 1). In the former case, several exact results are recovered. For the contact process, surprisingly good estimates of critical parameters are obtained from a small-cell renormalization. | Notes: | Limburgs Univ Ctr, Dept WNI, B-3590 Diepenbeek, Belgium.Hooyberghs, J, Limburgs Univ Ctr, Dept WNI, B-3590 Diepenbeek, Belgium. | Document URI: | http://hdl.handle.net/1942/2904 | DOI: | 10.1088/0305-4470/33/5/307 | ISI #: | 000085494600007 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2001 |
Appears in Collections: | Research publications |
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