Autor:	Peano, V., Thorwart, M.
Rok vydání:	2009
Předmět:	Condensed Matter - Other Condensed Matter
Zdroj:	EPL 89 (2010) 17008
Druh dokumentu:	Working Paper
DOI:	10.1209/0295-5075/89/17008
Popis:	We show that the nonlinear response of a driven circuit quantum electrodynamics setup displays antiresonant multiphoton transitions, as recently observed in a transmon qubit device. By including photon leaking, we explain the lineshape by a perturbative and a semiclassical analysis. We derive a bistable semiclassical quasienergy surface whose lowest quasienergy eigenstate is squeezed, allowing for a squeezing-dependent local effective temperature. We study the escape dynamics out of the metastable state and find signatures of dynamical tunneling, similar as for the quantum Duffing oscillator. Comment: submitted to PRL
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/0903.2338 Zobrazit plný text záznamu View this record from Arxiv