Is the energy density of the ground state of the sine-Gordon model unbounded from below for 2> 8 ?

DOI10.1088/0305-4470/36/28/312zbMath1062.81525arXivhep-th/0205249OpenAlexW2093711614MaRDI QIDQ4426271

Manfried Faber, A. N. Ivanov

Publication date: 16 September 2003

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/0205249

Mathematics Subject Classification ID

Model quantum field theories (81T10) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Nonperturbative methods of renormalization applied to problems in quantum field theory (81T16) Groups and algebras in quantum theory and relations with integrable systems (81R12)

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