We propose a scheme to generate stable vector spatiotemporal solitons through a Rydberg electromagnetically induced transparency(Rydberg-EIT)system.Three-dimensional vector monopole and vortex solitons have been found...We propose a scheme to generate stable vector spatiotemporal solitons through a Rydberg electromagnetically induced transparency(Rydberg-EIT)system.Three-dimensional vector monopole and vortex solitons have been found under three nonlocal degrees.The numerical calculation and analytical solutions indicate that these solitons are generated with low energy and can stably propagate along the axes.The behavior of vector spatiotemporal solitons can be manipulated by the local and nonlocal nonlinearities.The results show a memory feature as these solitons can be stored and retrieved effectively by tuning the control field.展开更多
Three-dimensional graphene/conducting polymer(3DGCP) composites have received significant attention in recent years due to their unique structures and promising applications in energy storage.With the structural div...Three-dimensional graphene/conducting polymer(3DGCP) composites have received significant attention in recent years due to their unique structures and promising applications in energy storage.With the structural diversity of graphene and π-functional conducting polymers via rich chemical routes,a number of 3DGCP composites with novel structures and attractive performance have been developed.Particularly,the hierarchical porosity,the interactions between graphene and conducting polymers as well as the their synergetic effects within 3DGCP composites can be well combined and elaborated by various synthetic methods,which made 3DGCP composites show unique electrochemical properties and significantly improved performance in energy storage fields compared to other graphenebased composites.In this short review,we present recent advances in 3DGCP composites in developing effective strategies to prepare 3DGCP composites and exploring them as a unique platform for supercapacitors with unprecedented performance.The challenges and future opportunities are also discussed for promotion of further study.展开更多
基金supported by the Hubei Provincial Science and Technology Plan(Grant No.2019BEC206)the Hubei Provincial Key Research and Development Plan(Grant No.2020BGC028)+1 种基金the National Natural Science Foundation of China(Grant No.11975172)Hubei University of Science and Technology(Grant No.2020–22GP04)。
文摘We propose a scheme to generate stable vector spatiotemporal solitons through a Rydberg electromagnetically induced transparency(Rydberg-EIT)system.Three-dimensional vector monopole and vortex solitons have been found under three nonlocal degrees.The numerical calculation and analytical solutions indicate that these solitons are generated with low energy and can stably propagate along the axes.The behavior of vector spatiotemporal solitons can be manipulated by the local and nonlocal nonlinearities.The results show a memory feature as these solitons can be stored and retrieved effectively by tuning the control field.
基金supported by The Program for Professor of Special Appointment(Eastern Scholar)at Shanghai Institutions of Higher Learning(No.TP2015002)the National Natural Science Foundation of China(No.51403099)
文摘Three-dimensional graphene/conducting polymer(3DGCP) composites have received significant attention in recent years due to their unique structures and promising applications in energy storage.With the structural diversity of graphene and π-functional conducting polymers via rich chemical routes,a number of 3DGCP composites with novel structures and attractive performance have been developed.Particularly,the hierarchical porosity,the interactions between graphene and conducting polymers as well as the their synergetic effects within 3DGCP composites can be well combined and elaborated by various synthetic methods,which made 3DGCP composites show unique electrochemical properties and significantly improved performance in energy storage fields compared to other graphenebased composites.In this short review,we present recent advances in 3DGCP composites in developing effective strategies to prepare 3DGCP composites and exploring them as a unique platform for supercapacitors with unprecedented performance.The challenges and future opportunities are also discussed for promotion of further study.