<i>J</i>-self-adjoint operators with \mathcal{C} -symmetries: an extension theory approach
<i>J</i>-self-adjoint operators with \mathcal{C} -symmetries: an extension theory approach
A well-known tool in conventional (von Neumann) quantum mechanics is the self-adjoint extension technique for symmetric operators. It is used, e.g., for the construction of Dirac–Hermitian Hamiltonians with point-interaction potentials. Here we reshape this technique to allow for the construction of pseudo-Hermitian (J-self-adjoint) Hamiltonians with complex point interactions. We demonstrate …