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Mass spectroscopy using Borici–Creutz fermions on 2D lattice

J. Goswami

Department of Physics, Indian Institute of Technology Kanpur, Kanpur-208016, India

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D. Chakrabarti

http://orcid.org/0000-0002-0558-3132

Department of Physics, Indian Institute of Technology Kanpur, Kanpur-208016, India

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, and

S. Basak

School of Physical Sciences, NISER, Jatni 752050, India

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https://doi.org/10.1142/S0217751X17500592Cited by:3 (Source: Crossref)

Abstract

Minimally doubled fermion proposed by Creutz and Borici is a promising chiral fermion formulation on lattice. In this work, we present excited state mass spectroscopy for the meson bound states in Gross–Neveu model using Borici–Creutz (BC) fermion. We also evaluate the effective fermion mass as a function of coupling constant which shows a chiral phase transition at strong coupling. The lowest lying meson in two-dimensional QED is also obtained using BC fermion.

Keywords:

PACS: 11.15.Ha, 11.10.Kk, 11.30.Rd, 12.40.Yx

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