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《Journal of Anhui Normal University(Natural Science)》 2009-04
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Anomalous Dynamic Scaling of Super-Roughening in the Quenched Mullins-Herring Growth Model

CHEN Qing-hu1,2,LIU Huan1(1.Department of Physics,Zhejiang University,Hangzhou 310027,China;2.Center for Statistical and Theoretical Condensed Matter Physics,Zhejiang Normal University,Jinhua 321004,China)  
By measuring equal-time height-height correlation function G(r,t) for intermediate times rztLz(L is the system size and rL),we study the anomalous dynamic scaling of super-roughening in the quenched Mullins-Herring growth model in a direct numerical integration scheme.The local roughness exponent αloc=0.97(1) is evaluated,close to the unit which is obtained theoretically in the Mullins-Herring growth model.A new exponent θ=0.51(3),characterizing the anomaly of the growth surface,and the local growth exponent β′=0.29(2) are also extracted.
【Fund】: 国家自然科学基金(10574107和10774128);; 浙江省自然科学基金重点项目(Z7080203)
【CateGory Index】: O469
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