This work theoretically studies the Bose–Hubbard(BH)model in a ring geometry in a rotating frame.We obtain an effective Hamiltonian by using unitary transformation,where the effect of the rotating reference frame is ...This work theoretically studies the Bose–Hubbard(BH)model in a ring geometry in a rotating frame.We obtain an effective Hamiltonian by using unitary transformation,where the effect of the rotating reference frame is introducing additional phases to the hopping constant.Within the mean-field theory,the phase transition edge depends not only on the particle number and ring radius,but also on rotation velocity.Therefore,we propose a sensing method of the rotation velocity using the phase transition edge of the Bose–Hubbard model.At the exact phase transition edge where this sensing method is most sensitive,the resolution depends on the rotation velocity,the particle number and the ring radius,while it is independent of the parameters in the Bose–Hubbard model such as the hopping constant and the on-site interaction.展开更多
Background Hypothalamic hamartoma(HH)is a congenital non-progressive lesion of hypothalamus during fetal development.Mass-like lesions in different anatomical locations often develop a variously disabling course prese...Background Hypothalamic hamartoma(HH)is a congenital non-progressive lesion of hypothalamus during fetal development.Mass-like lesions in different anatomical locations often develop a variously disabling course presenting with cognitive decline,psychiatric symptoms,as well as multiple seizure types.As a rare disease,HH is relatively common in infants and children,but it is extremely rare in adults.Case presentation We reported a case of adult-onset hypothalamic hamartoma,and summarized and analyzed relevant reports and studies of HH worldwide.The patient had clinical manifestations characterized by multiple seizure forms.After stereotactic radiofrequency thermocoagulation and drug treatment,the condition was effectively controlled.The patient was followed up till October 2022,with no recurrence of seizures.Conclusions Epilepsy caused by HH can resemble that of temporal lobe seizures,as HH forms a complex epileptogenic network with other regions of the brain through anatomical and functional connections.Early treatment of HH can provide better control of the symptoms of epilepsy,and patients with longer disease courses may have more complications.展开更多
基金supported by National Natural Science Foundation of China(Grant No.12175150)the Natural Science Foundation of Guang-dong Province(Grant No.2019A1515011400)。
文摘This work theoretically studies the Bose–Hubbard(BH)model in a ring geometry in a rotating frame.We obtain an effective Hamiltonian by using unitary transformation,where the effect of the rotating reference frame is introducing additional phases to the hopping constant.Within the mean-field theory,the phase transition edge depends not only on the particle number and ring radius,but also on rotation velocity.Therefore,we propose a sensing method of the rotation velocity using the phase transition edge of the Bose–Hubbard model.At the exact phase transition edge where this sensing method is most sensitive,the resolution depends on the rotation velocity,the particle number and the ring radius,while it is independent of the parameters in the Bose–Hubbard model such as the hopping constant and the on-site interaction.
基金supported by the foundation of Medical Science and Technology of Guangdong(A2022402).
文摘Background Hypothalamic hamartoma(HH)is a congenital non-progressive lesion of hypothalamus during fetal development.Mass-like lesions in different anatomical locations often develop a variously disabling course presenting with cognitive decline,psychiatric symptoms,as well as multiple seizure types.As a rare disease,HH is relatively common in infants and children,but it is extremely rare in adults.Case presentation We reported a case of adult-onset hypothalamic hamartoma,and summarized and analyzed relevant reports and studies of HH worldwide.The patient had clinical manifestations characterized by multiple seizure forms.After stereotactic radiofrequency thermocoagulation and drug treatment,the condition was effectively controlled.The patient was followed up till October 2022,with no recurrence of seizures.Conclusions Epilepsy caused by HH can resemble that of temporal lobe seizures,as HH forms a complex epileptogenic network with other regions of the brain through anatomical and functional connections.Early treatment of HH can provide better control of the symptoms of epilepsy,and patients with longer disease courses may have more complications.
