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quant-ph2022★ 1 cited
Biorthogonal Renormalization
Elisabet Edvardsson, J Lukas K König, Marcus Stålhammar
The biorthogonal formalism extends conventional quantum mechanics to the non-Hermitian realm. It has, however, been pointed out that the biorthogonal inner product changes with the…
quant-ph2022★ 47 cited
Sensitivity of non-Hermitian systems
Elisabet Edvardsson, Eddy Ardonne
Understanding the extreme sensitivity of the eigenvalues of non-Hermitian Hamiltonians to the boundary conditions is of great importance when analyzing non-Hermitian systems, as it…