Altermagnetism,a recently identified class of collinear magnetism,combines key features of antiferromagnets and ferromagnets.Despite having zero net magnetization,altermagnetic materials exhibit anomalous transport ef...Altermagnetism,a recently identified class of collinear magnetism,combines key features of antiferromagnets and ferromagnets.Despite having zero net magnetization,altermagnetic materials exhibit anomalous transport effects,including the anomalous Hall,Nernst,and thermal Hall effects,as well as magneto-optical Kerr and Faraday effects.These phenomena,previously thought unique to ferromagnets,are dictated by symmetry,as confirmed by density functional theory(DFT)calculations.However,an effective model-based approach to verify these symmetry constraints remains unavailable.In this Letter,we construct a k·ρ model for d-wave altermagnets CuX_(2)(X=F,Cl)using spin space group representations and apply it to calculate the anomalous Hall effect.The symmetry-imposed transport properties predicted by the model are in agreement with the DFT results,providing a foundation for further investigation into symmetry-restricted transport phenomena in altermagnetic materials.展开更多
In a recent landmark study published in Cell1 Jin and colleagues convincingly demonstrated that mature transforming growth factor-β1(mTGF-β1)can be activated without release from its latent form(L-TGF-β),and that b...In a recent landmark study published in Cell1 Jin and colleagues convincingly demonstrated that mature transforming growth factor-β1(mTGF-β1)can be activated without release from its latent form(L-TGF-β),and that binding of unreleased mTGF-βto its receptors induces autocrine signalling rather than the conventional paracrine effects.These findings contradict the current dogma that mTGF-β1 requires physical dissociation and release from L-TGF-β1 in order to be able to bind to the TGF-βreceptors(TGF-βRs)and signal.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.12274117)the Natural Science Foundation of Henan(Grant No.242300421214)+4 种基金the Program for Innovative Research Team(in Science and Technology)in the University of Henan Province(Grant No.24IRTSTHN025)the Open Fund of Guangdong Provincial Key Laboratory of Nanophotonic Manipulation(No.202502)Guangdong S&T Program(No.2023B1212010008)the High-Performance Computing Center of Henan Normal Universitysupported by the U.S.DOE,Office of Science(Grant No.DE-FG02-05ER46237)。
文摘Altermagnetism,a recently identified class of collinear magnetism,combines key features of antiferromagnets and ferromagnets.Despite having zero net magnetization,altermagnetic materials exhibit anomalous transport effects,including the anomalous Hall,Nernst,and thermal Hall effects,as well as magneto-optical Kerr and Faraday effects.These phenomena,previously thought unique to ferromagnets,are dictated by symmetry,as confirmed by density functional theory(DFT)calculations.However,an effective model-based approach to verify these symmetry constraints remains unavailable.In this Letter,we construct a k·ρ model for d-wave altermagnets CuX_(2)(X=F,Cl)using spin space group representations and apply it to calculate the anomalous Hall effect.The symmetry-imposed transport properties predicted by the model are in agreement with the DFT results,providing a foundation for further investigation into symmetry-restricted transport phenomena in altermagnetic materials.
文摘In a recent landmark study published in Cell1 Jin and colleagues convincingly demonstrated that mature transforming growth factor-β1(mTGF-β1)can be activated without release from its latent form(L-TGF-β),and that binding of unreleased mTGF-βto its receptors induces autocrine signalling rather than the conventional paracrine effects.These findings contradict the current dogma that mTGF-β1 requires physical dissociation and release from L-TGF-β1 in order to be able to bind to the TGF-βreceptors(TGF-βRs)and signal.
