Simulating spectroscopy experiments with a superconducting quantum computer

We present a novel method for solving eigenvalue problems on a quantum computer based on spectroscopy. The method works by coupling a "probe" qubit to a set of system simulation qubits and then time evolving both the probe and the system under Hamiltonian dynamics. In this way, we simulate...

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Veröffentlicht in:arXiv.org 2023-02
Hauptverfasser: Stenger, John P T, Ben-Shach, Gilad, Pekker, David, Bronn, Nicholas T
Format: Artikel
Sprache:eng
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Zusammenfassung:We present a novel method for solving eigenvalue problems on a quantum computer based on spectroscopy. The method works by coupling a "probe" qubit to a set of system simulation qubits and then time evolving both the probe and the system under Hamiltonian dynamics. In this way, we simulate spectroscopy on a quantum computer. We test our method on the IBM quantum hardware for a simple single spin model and an interacting Kitaev chain model. For the Kitaev chain, we trace out the pseudo-topological phase boundary for a two-site model.
ISSN:2331-8422
DOI:10.48550/arxiv.2202.12910