163 citations · 178 across the 18 of their papers we have counts for
Showing 2013 · math-phShow all
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math-ph2013★ 4 cited
Exponential of a Matrix, a Nonlinear Problem and Quantum Gates
Willi-Hans Steeb, Yorick Hardy
We describe solutions of the matrix equation , where . Applications in quantum computing are given. Both normal and nonnormal matrices are stud…
math-ph2013
Majorana Fermions on a Lattice and a Matrix Problem
Yorick Hardy, Willi-Hans Steeb
We investigate matrix problems arising in the study of Majorana Fermions on a lattice.
math-ph2013★ 1 cited
An Eigenvalue Problem for a Fermi System and Lie Algebras
Willi-Hans Steeb, Yorick Hardy
We study a Fermi Hamilton operator which does not commute with the number operator . The eigenvalue problem and the Schrödinger equation is solved. Entanglement is…
math-ph2013★ 4 cited
Exceptional Points, Nonnormal Matrices, Hierarchy of Spin Matrices and an Eigenvalue Problem
Willi-Hans Steeb, Yorick Hardy
Exceptional points of a class of non-hermitian Hamilton operators of the form are studied, where and are hermitian operat…