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Direct observation of melting in a two-dimensional driven granular system
Sun, XY; Li, Y; Ma, YQ; Zhang, ZX; Zhang, ZX (reprint author), Soochow Univ, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China.; Ma, YQ (reprint author), Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China.; Ma, YQ (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Zhang, ZX (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
2016
发表期刊SCIENTIFIC REPORTS
卷号6页码:24056
文章类型Article
摘要Melting is considered to be one of the most fundamental problems in physical science. Generally, dimensionality plays an important role in melting. In three-dimension, it's well known that a crystal melts directly into a liquid via a first-order transition. In two-dimension (2D), however, the melting process has been widely debated whether it is a first-order transition or a two-step transition with an intermediate hexatic phase. Experimentally 2D melting has been intensively studied in equilibrium systems such as molecular and colloidal crystals, but rarely been explored in non-equilibrium system such as granular materials. In this paper, we experimentally studied the 2D melting in a driven granular model system at single particle level using video recording and particle tracking techniques. Measurements of orientational/translational correlation functions show evidences that the melting is a two-step transition. A novel concept of orientational/translational susceptibilities enable us to clearly resolve the intermediate hexatic phase. Our results are in excellent agreement with the two-step melting scenario predicted by KTHNY theory, and demonstrate that the KTHNY melting scenario can be extended to non-equilibrium systems.
学科领域Science & Technology - Other Topics
资助者National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
DOIhttp://dx.doi.org/10.1038/srep24056
关键词[WOS]BOND-ORIENTATIONAL ORDER ; 2 DIMENSIONS ; TRANSITION ; LATTICE ; DISKS ; GAS
收录类别SCI
语种英语
资助者National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Basic Research Program of China [2012CB821500] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; National Natural Science Foundation of China [21522404, 21174101, 11574222] ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Project for Jiangsu Scientific and Technological Innovation Team ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
WOS类目Multidisciplinary Sciences
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21701
专题理论物理所SCI论文
通讯作者Ma, YQ; Zhang, ZX (reprint author), Soochow Univ, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China.; Ma, YQ (reprint author), Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China.; Ma, YQ (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Zhang, ZX (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Sun, XY,Li, Y,Ma, YQ,et al. Direct observation of melting in a two-dimensional driven granular system[J]. SCIENTIFIC REPORTS,2016,6:24056.
APA Sun, XY.,Li, Y.,Ma, YQ.,Zhang, ZX.,Zhang, ZX .,...&Zhang, ZX .(2016).Direct observation of melting in a two-dimensional driven granular system.SCIENTIFIC REPORTS,6,24056.
MLA Sun, XY,et al."Direct observation of melting in a two-dimensional driven granular system".SCIENTIFIC REPORTS 6(2016):24056.
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