Dynamical quantum phase transitions in an atom-molecule system
Source abstract
Abstract
We conduct an investigation on the dynamical quantum phase transition within an atom-molecule Bose–Einstein condensate. We explore the dynamics of atom-molecule conversion and utilize the fraction population of the atom as an order parameter for probing dynamical quantum phase transitions. It is shown that the quench dynamics of the atom presents a non-analytical change regarding the atom binding energy, and it is demonstrated that this dynamics can detect both the quantum phase transition at the ground state and at the highest energy level. Furthermore, we analyze the dynamics of the Loschmidt echo and present its connection with the dynamical quantum phase transitions.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Quantum many-body systems · Cold Atom Physics and Bose-Einstein Condensates · Strong Light-Matter Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Science, Zhejiang University of Science and Technology 1 , Hangzhou, Zhejiang 310023,
School of Science, Jiangnan University 2 , Wuxi 214122,
Department of Physics, Babeş-Bolyai University 3 , 400084 Cluj-Napoca,
Funding
Natural Science Foundation of Zhejiang Province
References (61)
Show source-provided references
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