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可激发介质中环形异质介质导致自维持靶波

唐冬妮 张旭 任卫 唐国宁

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可激发介质中环形异质介质导致自维持靶波

唐冬妮, 张旭, 任卫, 唐国宁

A ring-like heterogeneous medium-induced self-sustained target waves in excitable media

Tang Dong-Ni, Zhang Xu, Ren Wei, Tang Guo-Ning
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  • 在二维可激发介质中引入环形异质可激发介质,研究了可激发介质中自维持靶波的形成,数值模拟结果表明:当介质的激发性和环的尺寸适当选取时,初始的扰动可在可激发介质中产生自维持靶波,对产生自维持靶波的物理机理作了讨论.
    The formation of self-sustained target wave in a two-dimensional excitable medium into which a ring-like heterogeneous excitable medium is introduced is investigated. The numerical results show that the initial perturbation can produce a self-sustained target wave in an excitable medium when the excitabilities of two media and the size of the ring are appropriately chosen. The physical mechanism responsible for the formation of self-sustained target wave is analyzed.
    • 基金项目: 国家自然科学基金(批准号:10765002)资助的课题.
    [1]

    Bar M,Bangia A K,Kevrekidis I G,Haas G,Rotermund H H,Ertl G 1996 J. Phys. Chem. 100 19106

    [2]

    Csorgei K K,Zhabotinsky A M,Orban M,Epstein I R 1997 J. Phys. Chem. A 101 6827

    [3]

    Ma J,Jin W Y,Yi M,Li Y L 2008 Acta Phys. Sin. 57 2832 (in Chinese) [马 军、靳伍银、易 鸣、李廷龙 2008 物理学报 57 2832]

    [4]

    Ma J,Jin W Y,Li Y L,Chen Y 2007 Acta Phys. Sin. 56 2456 (in Chinese) [马 军、靳伍银、李廷龙、陈 勇 2007 物理学报 56 2456]

    [5]

    Zhang G Y,Ma J,Gan Z N,Chen Y 2008 Acta Phys. Sin. 57 6815 (in Chinese) [张国勇、马 军、甘正宁、陈 勇 2008 物理学报 57 6815]

    [6]

    Zhang H,Wu N,Ying H,Hu G,Hu B 2004 J. Chem. Phys. 121 7276

    [7]

    Ten Tusscher K H W J,Panfilov A V 2003 Phys. Rev. E 68 062902

    [8]

    Ma J,Wang C N,Jin W Y,Li Y L,Pu Z S 2008 Chin.Phys. B 17 2844

    [9]

    Ginn B T,Steinbock O 2005 Phys. Rev. E 72 46109

    [10]

    Shajahan T K,Sinha S,Pandit R 2007 Phys. Rev. E 75 11929

    [11]

    Xie F,Qu Z,Weiss J N,Garfinkel A 2004 Phys. Rev. E 63 31905

    [12]

    Schebesch I,Engel H 1998 Phys. Rev. E 57 3905

    [13]

    Park J S,Lee K J 2006 Phys. Rev. E 73 66219

    [14]

    Lv Y P,Gu G F,Lu H C,Dai Y,Tang G N 2009 Acta Phys. Sin. 58 2996 (in Chinese) [吕耀平、顾国峰、陆华春、戴 瑜、唐国宁 2009 物理学报 58 2996]

    [15]

    Brazhnik P K,Tyson J J 1996 Phys. Rev. E 54 1958

    [16]

    Li B W,Zhang H,Ying H P,Hu G 2009 Phys. Rev. E 79 026220

    [17]

    Chen J X,Mao J W,Hu B,Xu J R,He Y F,Li Y,Yuan X P 2009 Phys. Rev. E 79 066209

    [18]

    Br M, Eiswirth M 1993 Phys. Rev. E 48 R1635

    [19]

    Neu J C,Preissig R S,Krassowska W 1997 Phys. D 102 285

  • [1]

    Bar M,Bangia A K,Kevrekidis I G,Haas G,Rotermund H H,Ertl G 1996 J. Phys. Chem. 100 19106

    [2]

    Csorgei K K,Zhabotinsky A M,Orban M,Epstein I R 1997 J. Phys. Chem. A 101 6827

    [3]

    Ma J,Jin W Y,Yi M,Li Y L 2008 Acta Phys. Sin. 57 2832 (in Chinese) [马 军、靳伍银、易 鸣、李廷龙 2008 物理学报 57 2832]

    [4]

    Ma J,Jin W Y,Li Y L,Chen Y 2007 Acta Phys. Sin. 56 2456 (in Chinese) [马 军、靳伍银、李廷龙、陈 勇 2007 物理学报 56 2456]

    [5]

    Zhang G Y,Ma J,Gan Z N,Chen Y 2008 Acta Phys. Sin. 57 6815 (in Chinese) [张国勇、马 军、甘正宁、陈 勇 2008 物理学报 57 6815]

    [6]

    Zhang H,Wu N,Ying H,Hu G,Hu B 2004 J. Chem. Phys. 121 7276

    [7]

    Ten Tusscher K H W J,Panfilov A V 2003 Phys. Rev. E 68 062902

    [8]

    Ma J,Wang C N,Jin W Y,Li Y L,Pu Z S 2008 Chin.Phys. B 17 2844

    [9]

    Ginn B T,Steinbock O 2005 Phys. Rev. E 72 46109

    [10]

    Shajahan T K,Sinha S,Pandit R 2007 Phys. Rev. E 75 11929

    [11]

    Xie F,Qu Z,Weiss J N,Garfinkel A 2004 Phys. Rev. E 63 31905

    [12]

    Schebesch I,Engel H 1998 Phys. Rev. E 57 3905

    [13]

    Park J S,Lee K J 2006 Phys. Rev. E 73 66219

    [14]

    Lv Y P,Gu G F,Lu H C,Dai Y,Tang G N 2009 Acta Phys. Sin. 58 2996 (in Chinese) [吕耀平、顾国峰、陆华春、戴 瑜、唐国宁 2009 物理学报 58 2996]

    [15]

    Brazhnik P K,Tyson J J 1996 Phys. Rev. E 54 1958

    [16]

    Li B W,Zhang H,Ying H P,Hu G 2009 Phys. Rev. E 79 026220

    [17]

    Chen J X,Mao J W,Hu B,Xu J R,He Y F,Li Y,Yuan X P 2009 Phys. Rev. E 79 066209

    [18]

    Br M, Eiswirth M 1993 Phys. Rev. E 48 R1635

    [19]

    Neu J C,Preissig R S,Krassowska W 1997 Phys. D 102 285

计量
  • 文章访问数:  7706
  • PDF下载量:  943
  • 被引次数: 0
出版历程
  • 收稿日期:  2009-10-21
  • 修回日期:  2009-12-17
  • 刊出日期:  2010-04-05

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