{ "id": "0901.1304", "version": "v1", "published": "2009-01-09T19:59:19.000Z", "updated": "2009-01-09T19:59:19.000Z", "title": "Interband transitions and interference effects in superconducting qubits", "authors": [ "Antti Paila", "Jani Tuorila", "Mika Sillanpää", "David Gunnarsson", "Jayanta Sarkar", "Yuriy Makhlin", "Erkki Thuneberg", "Pertti Hakonen" ], "comment": "13 pages, 7 figures, to appear in QIP special issue on superconducting quantum computing", "categories": [ "cond-mat.mes-hall", "cond-mat.supr-con" ], "abstract": "We investigate phase-sensitive interference effects in a periodically $\\sin(2\\pi f_{\\rm rf} t)$-driven, artificial two-state system connected to a microwave resonator at $f_{LC} \\simeq 800$ MHz. We observe two kinds of multiphoton transitions in the two-state system, accompanied by: 1) Several quanta from the drive at $f_{\\rm rf}$ and 2) one quantum at $f_{\\rm rf}$ and several at $f_{LC}$. The former are described using phase-sensitive Landau-Zener transitions, while the latter are discussed in terms of vibronic transitions in diatomic molecules. Interference effects in the vibronic transitions governed by Franck-Condon coefficients are also considered.", "revisions": [ { "version": "v1", "updated": "2009-01-09T19:59:19.000Z" } ], "analyses": { "keywords": [ "interband transitions", "superconducting qubits", "vibronic transitions", "diatomic molecules", "microwave resonator" ], "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable" } } }