RT Journal Article
T1 Bound states in the continuum driven by AC fields
A1 González-Santander de la Cruz, Clara
A1 Orellana, P. A.
A1 Domínguez-Adame Acosta, Francisco
AB We report on the formation of bound states in the continuum driven by AC fields. The considered system consists of a quantum ring connected to two leads. An AC side-gate voltage controls the interference of electrons passing through the system. We model the system by two sites in parallel connected to two semi-infinite lattices. The energy of these sites changes harmonically with time. We obtain the transmission probability and the local density of states at the ring sites and show that transmission probability displays a Fano profile when the energy of the incoming electron approaches the driving frequency. Correspondingly, the local density of states presents a narrow peak that approaches a delta-function in the weak-coupling limit. We attribute these features to the presence of bound states in the continuum.
PB EPL Association, European Physical Society
SN 0295-5075
YR 2013
FD 2013-04
LK https://hdl.handle.net/20.500.14352/33687
UL https://hdl.handle.net/20.500.14352/33687
LA spa
NO © EPLA, 2013.The authors thank A. V. MALYSHEV for a critical reading of the manuscript Work at Madrid was supported by MICINN (project MAT2010-17180). CG-S acknowledges financial support from Comunidad de Madrid and European Social Foundation. PAO acknowledges financial support from FONDECYT under grant 1100560.
NO MICINN
NO Comunidad de Madrid
NO European Social Foundation
NO FONDECYT
DS Docta Complutense
RD 11 abr 2025