{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["110(8)"],"submitter":["Miao L"],"pubmed_abstract":["Topological insulators and graphene present two unique classes of materials, which are characterized by spin-polarized (helical) and nonpolarized Dirac cone band structures, respectively. The importance of many-body interactions that renormalize the linear bands near Dirac point in graphene has been well recognized and attracted much recent attention. However, renormalization of the helical Dirac point has not been observed in topological insulators. Here, we report the experimental observation of the renormalized quasiparticle spectrum with a skewed Dirac cone in a single Bi bilayer grown on Bi(2)Te(3) substrate from angle-resolved photoemission spectroscopy. First-principles band calculations indicate that the quasiparticle spectra are likely associated with the hybridization between the"],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pagination":["2758-62"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3581889"],"repository":["biostudies-literature"],"pubmed_title":["Quasiparticle dynamics in reshaped helical Dirac cone of topological insulators."],"pmcid":["PMC3581889"],"pubmed_authors":["Jia JF","Qian D","Gao CL","Wang ZF","Song YR","Zhu F","Miao L","Ming W","Yao MY","Yang F","Sun Z","Wang M","Liu CX","Liu C","Xue QK","Fedorov AV","Liu F"],"additional_accession":[]},"is_claimable":false,"name":"Quasiparticle dynamics in reshaped helical Dirac cone of topological insulators.","description":"Topological insulators and graphene present two unique classes of materials, which are characterized by spin-polarized (helical) and nonpolarized Dirac cone band structures, respectively. The importance of many-body interactions that renormalize the linear bands near Dirac point in graphene has been well recognized and attracted much recent attention. However, renormalization of the helical Dirac point has not been observed in topological insulators. Here, we report the experimental observation of the renormalized quasiparticle spectrum with a skewed Dirac cone in a single Bi bilayer grown on Bi(2)Te(3) substrate from angle-resolved photoemission spectroscopy. First-principles band calculations indicate that the quasiparticle spectra are likely associated with the hybridization between the","dates":{"release":"2013-01-01T00:00:00Z","publication":"2013 Feb","modification":"2025-04-25T21:55:05.596Z","creation":"2019-03-27T01:05:14Z"},"accession":"S-EPMC3581889","cross_references":{"pubmed":["23382185"],"doi":["10.1073/pnas.1218104110"]}}