| Numerical study of anomalous dynamic scaling behaviour of (1+1)-dimensional Das Sarma-Tamborenea model |
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| 作者姓名： | 寻之朋 唐刚 韩奎 郝大鹏 夏辉 周伟 杨细全 温荣吉 陈玉岭 |
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| 作者单位： | Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China;Department of Physics, China University of Mining & Technology, Xuzhou 221116, China |
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| 基金项目： | Projects supported by the National Natural Science Foundation of China (Grant No. 10674177) and the Youth Foundation of China University of Mining & Technology (Grant No. 2008A035). |
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| 摘 要： | In order to discuss the finite-size effect and the anomalous dynamic scaling behaviour of Das Sarma-Tamborenea growth model,the (1+1)-dimensional Das Sarma-Tamborenea model is simulated on a large length scale by using the kinetic Monte-Carlo method.In the simulation,noise reduction technique is used in order to eliminate the crossover effect.Our results show that due to the existence of the finite-size effect,the effective global roughness exponent of the (1+1)-dimensional Das Sarma-Tamborenea model systematically decreases with system size L increasing when L > 256.This finding proves the conjecture by Aarao ReisAarao Reis F D A 2004 Phys.Rev.E 70 031607].In addition,our simulation results also show that the Das Sarma-Tamborenea model in 1+1 dimensions indeed exhibits intrinsic anomalous scaling behaviour.
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| 关 键 词： | finite-size effect anomalous dynamic scaling Das Sarma-Tamborenea model noise reduction technique |
Numerical study of anomalous dynamic scaling behaviour of (1+1)-dimensional Das Sarma—Tamborenea model |
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| Xun Zhi-Peng,Tang Gang,Han Kui,Hao Da-Peng,Xia Hui,Zhou Wei,Yang Xi-Quan,Wen Rong-Ji and Chen Yu-Ling.Numerical study of anomalous dynamic scaling behaviour of (1+1)-dimensional Das Sarma-Tamborenea model[J].Chinese Physics B,2010,19(7):70516-070516. |
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| Authors: | Xun Zhi-Peng Tang Gang Han Kui Hao Da-Peng Xia Hui Zhou Wei Yang Xi-Quan Wen Rong-Ji and Chen Yu-Ling |
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| Institution: | Department of Physics, China University of Mining & Technology, Xuzhou 221116, China |
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| Abstract: | In order to discuss the finite-size effect and the anomalous dynamic scaling behaviour of Das Sarma—Tamborenea growth model, the (1+1)-dimensional Das Sarma—Tamborenea model is simulated on a large length scale by using the kinetic Monte—Carlo method. In the simulation, noise reduction technique is used in order to eliminate the crossover effect. Our results show that due to the existence of the finite-size effect, the effective global roughness exponent of the (1+1)-dimensional Das Sarma—Tamborenea model systematically decreases with system size L increasing when L > 256. This finding proves the conjecture by Aarao ReisAarao Reis F D A 2004 Phys. Rev. E 70 031607]. In addition, our simulation results also show that the Das Sarma—Tamborenea model in 1+1 dimensions indeed exhibits intrinsic anomalous scaling behaviour. |
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| Keywords: | finite-size effect anomalous dynamic scaling Das Sarma--Tamborenea model noise reduction technique |
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