Slope of the topological susceptibility at zero temperature and finite temperature in the Nambu-Jona-Lasinio model
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Publication:5938098
DOI10.1016/S0370-2693(01)00778-XzbMATH Open0969.81651arXivhep-ph/0105264OpenAlexW3103670190WikidataQ57757244 ScholiaQ57757244MaRDI QIDQ5938098
K. Fukushima, K. Ohnishi, K. Ohta
Publication date: 31 July 2001
Published in: Physics Letters B (Search for Journal in Brave)
Abstract: We estimate the slope of the topological susceptibility in the three flavour Nambu-Jona-Lasinio model with the 't Hooft interaction. The results are consistent with the evaluation from the QCD sum rule in favour of the full topological susceptibility. We apply it to the Shore-Veneziano formula to find that it shows satisfactory agreement with the anomalous suppression of the flavour-singlet axial charge. The behaviour at finite temperature is also discussed.
Full work available at URL: https://arxiv.org/abs/hep-ph/0105264
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