title: An equation describing diffusivity of liquid atoms by magnetic confinement.
abstract: In this work, we report an obvious low field-induced magnetic confinement effect on the diffusivity in binary metallic melts under a weak magnetic field. A quantitative description of this nontrivial dynamic behavior is given by a physical analytical model based on the Hall effect, which is in agreement with our experimental results. Meanwhile, a quadratic B dependence of the dynamic viscosity obtained in the same confined environment is observed. Our results show that one can effectively control the atomic diffusion process of metallic melts by the application of magnetic field. Meanwhile, this magnetic confinement effect at atomic scale should provide an important new ingredient to deeply understand the condensed matter physics under the external magnetic field.
authors.affiliation: Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jingshi Road 17923, Jinan 250061, People's Republic of China.
authors.forename: Kai
authors.initials: K
authors.lastname: Zhang
authors.forename: Xuefeng
authors.initials: X
authors.lastname: Tian
authors.forename: Xiufang
authors.initials: X
authors.lastname: Bian
authors.forename: Yumin
authors.initials: Y
authors.lastname: Li
authors.forename: Yang
authors.initials: Y
authors.lastname: Liu