In this work,we discuss the origin of several anomalies present in the point-contact Andreev reflection spectra of（Li1-xFex）OHFeSe,LiTi2O4,and La2-xCexCuO4.While these features are similar to those stemming from int...In this work,we discuss the origin of several anomalies present in the point-contact Andreev reflection spectra of（Li1-xFex）OHFeSe,LiTi2O4,and La2-xCexCuO4.While these features are similar to those stemming from intrinsic superconducting properties,such as Andreev reflection,electron-boson coupling,multigap superconductivity,d-wave and p-wave pairing symmetry,they cannot be accounted for by the modified Blonder–Tinkham–Klapwijk（BTK） model,but require to consider critical current effects arising from the junction geometry.Our results point to the importance of tracking the evolution of the dips and peaks in the differential conductance as a function of the bias voltage,in order to correctly deduce the properties of the superconducting state.展开更多
A 42-year-old woman,born to non-consanguineous parents with no family history of neurological diseases,suffered from ataxia for 3 years.After a normal psychomotor development,the patient first presented dental eruptio...A 42-year-old woman,born to non-consanguineous parents with no family history of neurological diseases,suffered from ataxia for 3 years.After a normal psychomotor development,the patient first presented dental eruption at 1-year-old and with absence at 5 years of age.She stopped growing when she was 15 years old,and remained heights under 150 cm.Intellectual impairment became evident at 35 years old.Approximately 4 years ago (38 years old),she appeared secondary amenorrhea.Ataxia aggravated in the following 3 years and gradually affected daily life.On examinations,she has short stature [Supplementary Figure 1,http://links.lww.com/CM9/A61],tooth dysplasia and ataxia-related syndrome.There were no nystagmus,papilla atrophy or other visual problems.Her Mini-Mental State Examination (MMSE) score was 19,indicating mild intellectual disability.No contraceptives were used.She gave birth to a boy by making a cesarean section at 23-year-old,and her son was without any neurological symptom so far.Her parents died of other internal medicine diseases.Their gonads developed normally when they were alive.Only one brother who showed normal appearance and cognition was in her family.展开更多
基金Project supported by the National Key Basic Research Program of China(Grant Nos.2015CB921000,2016YFA0300301,and 2017YFA0302902)the National Natural Science Foundation of China(Grant Nos.11674374 and 1474338)+5 种基金the Key Research Program of Frontier Sciences,Chinese Academy of Sciences(Grant No.QYZDB-SSW-SLH008)the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant Nos.XDB07020100 and XDB07030200)the Beijing Municipal Science and Technology Project(Grant No.Z161100002116011)the Fonds de la Recherche Scientifique–FNRS and the ARC Grant 13/18-08 for Concerted Research Actions,financed by the French Community of Belgium(Wallonia-Brussels Federation)Jérémy Brisbois acknowledges the support from F.R.S.–FNRS(Research Fellowship)The work of Alejandro V Silhanek is partially supported by PDR T.0106.16 of the F.R.S.–FNRS
文摘In this work,we discuss the origin of several anomalies present in the point-contact Andreev reflection spectra of（Li1-xFex）OHFeSe,LiTi2O4,and La2-xCexCuO4.While these features are similar to those stemming from intrinsic superconducting properties,such as Andreev reflection,electron-boson coupling,multigap superconductivity,d-wave and p-wave pairing symmetry,they cannot be accounted for by the modified Blonder–Tinkham–Klapwijk（BTK） model,but require to consider critical current effects arising from the junction geometry.Our results point to the importance of tracking the evolution of the dips and peaks in the differential conductance as a function of the bias voltage,in order to correctly deduce the properties of the superconducting state.
文摘A 42-year-old woman,born to non-consanguineous parents with no family history of neurological diseases,suffered from ataxia for 3 years.After a normal psychomotor development,the patient first presented dental eruption at 1-year-old and with absence at 5 years of age.She stopped growing when she was 15 years old,and remained heights under 150 cm.Intellectual impairment became evident at 35 years old.Approximately 4 years ago (38 years old),she appeared secondary amenorrhea.Ataxia aggravated in the following 3 years and gradually affected daily life.On examinations,she has short stature [Supplementary Figure 1,http://links.lww.com/CM9/A61],tooth dysplasia and ataxia-related syndrome.There were no nystagmus,papilla atrophy or other visual problems.Her Mini-Mental State Examination (MMSE) score was 19,indicating mild intellectual disability.No contraceptives were used.She gave birth to a boy by making a cesarean section at 23-year-old,and her son was without any neurological symptom so far.Her parents died of other internal medicine diseases.Their gonads developed normally when they were alive.Only one brother who showed normal appearance and cognition was in her family.
