A recently discovered family of kagome lattice materials,AV_(3)Sb_(5)(A=K,Rb,Cs),has attracted great interest,especiallyin the debate over their dominant superconducting pairing symmetry.To explore this issue,we study...A recently discovered family of kagome lattice materials,AV_(3)Sb_(5)(A=K,Rb,Cs),has attracted great interest,especiallyin the debate over their dominant superconducting pairing symmetry.To explore this issue,we study the superconductingpairing behavior within the kagome-lattice Hubbard model through the constrained path Monte Carlo method.It isfound that doping around the Dirac point generates a dominant next-nearest-neighbor-d pairing symmetry driven by on-siteCoulomb interaction U.However,when considering the nearest-neighbor interaction V,it may induce nearest-neighbor-ppairing to become the preferred pairing symmetry.Our results provide useful information to identify the dominant superconductingpairing symmetry in the AV_(3)Sb_(5)family.展开更多
Bruce E,Spivey,M.D.,was President of the International Council of Ophthalmology (ICO)from 2006 to 2014 and served as ICO Secretary-General from1994 to 2006;and is general scientific advisor of International Journal of...Bruce E,Spivey,M.D.,was President of the International Council of Ophthalmology (ICO)from 2006 to 2014 and served as ICO Secretary-General from1994 to 2006;and is general scientific advisor of International Journal of Ophthalmology (IJO)from 2003 to present.Professor Spivey trained as an ophthalmologist and medical educator.He has worked extensively to enhance ophthalmic education and eye care internationally.展开更多
基金supported by Beijing Natural Science Foundation(Grant No.1242022).The numerical simulations in this work were performed at HSCC of Beijing Normal University.
文摘A recently discovered family of kagome lattice materials,AV_(3)Sb_(5)(A=K,Rb,Cs),has attracted great interest,especiallyin the debate over their dominant superconducting pairing symmetry.To explore this issue,we study the superconductingpairing behavior within the kagome-lattice Hubbard model through the constrained path Monte Carlo method.It isfound that doping around the Dirac point generates a dominant next-nearest-neighbor-d pairing symmetry driven by on-siteCoulomb interaction U.However,when considering the nearest-neighbor interaction V,it may induce nearest-neighbor-ppairing to become the preferred pairing symmetry.Our results provide useful information to identify the dominant superconductingpairing symmetry in the AV_(3)Sb_(5)family.
文摘Bruce E,Spivey,M.D.,was President of the International Council of Ophthalmology (ICO)from 2006 to 2014 and served as ICO Secretary-General from1994 to 2006;and is general scientific advisor of International Journal of Ophthalmology (IJO)from 2003 to present.Professor Spivey trained as an ophthalmologist and medical educator.He has worked extensively to enhance ophthalmic education and eye care internationally.