Works citing   [J. Math. Phys. 55 (2014), 083520]

1. M. Jex and V. Lotoreichik:
   On absence of bound states for weakly attractive delta'-interactions supported on non-closed curves in R^2,
   J. Math. Phys. 57 (2016), 022101.
   
   
2. J. Lampart and S. Teufel:
   The adiabatic limit of Schrodinger operators on fibre bundles,
   Math. Anal. 367 (2017), 1647-1683.
   
   
3. L. Schimmer, J. P. Solovej and S. Tokus:
   Friedrichs Extension and Min-Max Principle for Operators with a Gap,
   Ann. Henri Poincare 21 (2020), 327-357.
   
   
4. P. Exner and V. Lotoreichik:
   Spectral Asymptotics of the Dirichlet Laplacian on a Generalized Parabolic Layer,
   Integral Equations Operator Theory 92 (2020), 15.