Abstract
I describe a class of two-dimensional σ-models with complex homogeneous target spaces, whose equations of motion admit zero-curvature representations. I point out the relation to models with \({{\mathbb{Z}}_{m}}\)-graded target spaces and to the so-called η-deformed models.
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ACKNOWLEDGMENTS
I am grateful to I.Ya. Aref’eva, S. Kuzenko, O. Lechtenfeld, K. Zarembo, P. Zinn-Justin for discussions. I am indebted to Prof. A.A. Slavnov and to my parents for support and encouragement. I would also like to thank E. Ivanov and S. Fedoruk for the invitation to participate in the conference “Supersymmetries and Quantum Symmetries” in Dubna.
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Bykov, D. Sigma Models with Complex, Graded and η-Deformed Target Spaces. Phys. Part. Nuclei 49, 963–965 (2018). https://doi.org/10.1134/S1063779618050131
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DOI: https://doi.org/10.1134/S1063779618050131