Continued functions and Borel–Leroy transformation: resummation of six-loop ϵ-expansions from different universality classes
نویسندگان
چکیده
We handle divergent {\epsilon} expansions in different universality classes derived from modified Landau-Wilson Hamiltonian. Hamiltonian can cater for describing critical phenomena on a wide range of physical systems which differ symmetry conditions and the associated class. Numerically parameters are most interesting quantities characterize singular behaviour around point. More precise estimates obtained these than previous predictions Pade based methods Borel with conformal mapping procedure. use simple continued functions Borel-Leroy transformation to achieve this. These accurate results helpful strengthening existing conclusions {\phi}^4 models.
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ژورنال
عنوان ژورنال: Journal of Physics A
سال: 2021
ISSN: ['1751-8113', '1751-8121']
DOI: https://doi.org/10.1088/1751-8121/ac2322