Browsing by Subject "Instantons"

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  • Hyperkähler structure of bow varieties 
    Borchard, Yannic (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)
    In this thesis we study Cherkis bow varieties and its description in terms of linear flows on the Jacobian variety of certain spectral curve. We describe explicitly the bow variety of a deformed instanton moduli space ...
  • Instantons on conical half-flat 6-manifolds 
    Bunk, Severin; Lechtenfeld, Olaf; Popov, Alexander D.; Sperling, Marcus (New York : Springer, 2015)
    We present a general procedure to construct 6-dimensional manifolds with SU(3)-structure from SU(2)-structure 5-manifolds. We thereby obtain half-flat cylinders and sine-cones over 5-manifolds with Sasaki-Einstein ...
  • Noncommutative instantons and solitons 
    Lechtenfeld, Olaf (Trieste : Sissa Medialab Srl, 2003)
    I explain how to construct noncommutative BPS configurations in four and lower dimensions by solving linear matrix equations. Examples are instantons in D=4 Yang-Mills, monopoles in D=3 Yang-Mills-Higgs, and (moving) ...
  • Order α′ heterotic domain walls with warped nearly Kähler geometry 
    Haupt, Alexander S.; Lechtenfeld, Olaf; Musaev, Edvard T. (New York : Springer, 2014)
    We consider (1+3)-dimensional domain wall solutions of heterotic supergravity on a six-dimensional warped nearly Kähler manifold X 6 in the presence of gravitational and gauge instantons of tanh-kink type as constructed ...