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Istas, Mathieu (author), Groth, Christoph (author), Akhmerov, A.R. (author), Wimmer, M.T. (author), Waintal, Xavier (author)We propose a robust and efficient algorithm for computing bound states of infinite tight-binding systems that are made up of a finite scattering region connected to semi-infinite leads. Our method uses wave matching in close analogy to the approaches used to obtain propagating states and scattering matrices. We show that our algorithm is robust...journal article 2018