Higgs type excitations are the excitations which give mass to particles.The Higgs type excitations has a critical role both in particle physics and condensed matter physics.In particle physics,the suspected Higgs boso...Higgs type excitations are the excitations which give mass to particles.The Higgs type excitations has a critical role both in particle physics and condensed matter physics.In particle physics,the suspected Higgs boson has been found by the Large Hadron Collider(LHC)in 2012.In condensed matter physics,the Higgs type excitations relate to order phase of the system.In this review,we present an overview of recent studies on the Higgs type excitations both in non-interacting and interacting cold atom systems.First,in non-interacting cold atom system,by synthesizing artificial non-Abelian gauge potential,we demonstrate that when a nonAbelian gauge potential is reduced to Abelian potential,the Abelian part constructs spin-orbit coupling,and the non-Abelian part emerges Higgs excitations.Secondly,the Higgs excitations which are the reputed Higgs amplitude mode in interacting cold atom system are discussed.We review the theoretical model and the experimental detection of Higgs amplitude mode in two dimensional superfluid.The observation of both Higgs type excitations in real experiments are also discussed.展开更多
基金supported by the NKBRSFC(Grant Nos.2011CB921502 and2012CB821305)National Natural Science Foundation of China(Grant Nos.61227902 and 61378017)
文摘Higgs type excitations are the excitations which give mass to particles.The Higgs type excitations has a critical role both in particle physics and condensed matter physics.In particle physics,the suspected Higgs boson has been found by the Large Hadron Collider(LHC)in 2012.In condensed matter physics,the Higgs type excitations relate to order phase of the system.In this review,we present an overview of recent studies on the Higgs type excitations both in non-interacting and interacting cold atom systems.First,in non-interacting cold atom system,by synthesizing artificial non-Abelian gauge potential,we demonstrate that when a nonAbelian gauge potential is reduced to Abelian potential,the Abelian part constructs spin-orbit coupling,and the non-Abelian part emerges Higgs excitations.Secondly,the Higgs excitations which are the reputed Higgs amplitude mode in interacting cold atom system are discussed.We review the theoretical model and the experimental detection of Higgs amplitude mode in two dimensional superfluid.The observation of both Higgs type excitations in real experiments are also discussed.
