1. College of Mechanical and Electrical EngineeringJiaxing UniversityJiaxing314001 People's Republic of China
2. Soft Matter Systems Research Group, Center for Simulational Physics, The University of GeorgiaAthens Georgia30602
3. Institut für Theoretische Physik, Freie Universität BerlinArnimallee 1414195Berlin Germany
4. Instituto de Física, Universidade Federal de Mato Grosso78060‐900Cuiabá (MT) Brazil
5. Departamento de FísicaUniversidade Federal de Minas Gerais31270‐901Belo Horizonte (MG) Brazil