title: Control of turbulence in heterogeneous excitable media.
abstract: Control of turbulence in two kinds of typical heterogeneous excitable media by applying a combined method is investigated. It is found that local-low-amplitude and high-frequency pacing (LHP) is effective to suppress turbulence if the deviation of the heterogeneity is minor. However, LHP is invalid when the deviation is large. Studies show that an additional radial electric field can greatly increase the efficiency of LHP. The underlying mechanisms of successful control in the two kinds of cases are different and are discussed separately. Since the developed strategy of combining LHP with a radial electric field can terminate turbulence in excitable media with a high degree of inhomogeneity, it has the potential contribution to promote the practical low-amplitude defibrillation approach.
authors.affiliation: Department of Physics, Hangzhou Dianzi University, Hangzhou 310018, China.
authors.forename: Qin
authors.initials: Q
authors.lastname: Lou
authors.forename: Jiang-Xing
authors.initials: JX
authors.lastname: Chen
authors.forename: Ye-Hua
authors.initials: YH
authors.lastname: Zhao
authors.forename: Fa-Rong
authors.initials: FR
authors.lastname: Shen
authors.forename: Yi
authors.initials: Y
authors.lastname: Fu
authors.forename: Lu-Lu
authors.initials: LL
authors.lastname: Wang
authors.forename: Yan
authors.initials: Y
authors.lastname: Liu
mesh_terms: D004560:Electricity; D008962:Models, Theoretical