Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Carsten Timm"'
Autor:
Maximilian Kotz, Carsten Timm
Publikováno v:
Physical Review Research, Vol 5, Iss 3, p 033043 (2023)
We develop a topological classification of non-Hermitian effective Hamiltonians that depend on momentum and frequency. Such effective Hamiltonians are in one-to-one correspondence to single-particle Green's functions of systems that satisfy translati
Externí odkaz:
https://doaj.org/article/fc4027e6144045258b2f07bd2609eaf3
Autor:
Huixin Li, Han Ma, Dan Li, Huiqing Zhang, Yuanyuan Miao, Junfeng Ren, Carsten Timm, Guichao Hu
Publikováno v:
New Journal of Physics, Vol 25, Iss 10, p 103016 (2023)
Based on an Anderson-like model including electron–lattice interaction and electron–electron (e–e) interactions, charge and spin properties of excitons in quasi-one-dimensional organic ferromagnets with spin radicals are investigated. The resul
Externí odkaz:
https://doaj.org/article/5217e2f0f98b484ca3cc64efaf7a3d58
Publikováno v:
Physical Review Research, Vol 4, Iss 2, p 023060 (2022)
Uniaxial-strain experiments have become a powerful tool to unveil the character of unconventional phases of electronic matter. Here, we propose a combination of the superconducting fitness analysis and density functional theory calculations to dissec
Externí odkaz:
https://doaj.org/article/8460772e488f4951bef74508713a378e
Publikováno v:
Physical Review Research, Vol 4, Iss 2, p 023068 (2022)
The rise of organic electronics calls for versatile modeling tools. In this context, we develop a semiclassical Boltzmann theory that describes transport and excitonic processes in crystalline organic semiconductors on equal footing. The generation o
Externí odkaz:
https://doaj.org/article/249b69c0f15b47489efa0ab5da4f504a
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 8, Iss 1, Pp 2094-2105 (2017)
The great potential of organic heterostructures for organic device applications is exemplified by the targeted engineering of the electronic properties of phthalocyanine-based systems. The transport properties of two different phthalocyanine systems,
Externí odkaz:
https://doaj.org/article/667821a8f06142728952bfc02bb7492d
Autor:
Jack M. Bartlett, Alexander Steppke, Suguru Hosoi, Hilary Noad, Joonbum Park, Carsten Timm, Takasada Shibauchi, Andrew P. Mackenzie, Clifford W. Hicks
Publikováno v:
Physical Review X, Vol 11, Iss 2, p 021038 (2021)
The mechanism behind the nematicity of FeSe is not known. Through elastoresitivity measurements it has been shown to be an electronic instability. However, thus far measurements have extended only to small strains, where the response is linear. Here,
Externí odkaz:
https://doaj.org/article/db643639dc654b8bbc6418a7e7e6c066
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 8, Iss 1, Pp 1919-1931 (2017)
Organic ferromagnets are intriguing materials in that they combine ferromagnetic and organic properties. Although challenges in their synthesis still remain, the development of organic spintronics has triggered strong interest in high-performance org
Externí odkaz:
https://doaj.org/article/189c81c8ce5b47a5b84e63a56f89b475
Autor:
Han Gyeol Suh, Henri Menke, P. M. R. Brydon, Carsten Timm, Aline Ramires, Daniel F. Agterberg
Publikováno v:
Physical Review Research, Vol 2, Iss 3, p 032023 (2020)
Strontium ruthenate (Sr_{2}RuO_{4}) has long been thought to host a spin-triplet chiral p-wave superconducting state. However, the singletlike response observed in recent spin-susceptibility measurements casts serious doubts on this pairing state. To
Externí odkaz:
https://doaj.org/article/ad2500f26a78482c8b9e8103c88142f7
Publikováno v:
New Journal of Physics, Vol 21, Iss 10, p 103007 (2019)
The equations of motion (EOM) for the position and gauge invariant crystal momentum are considered for multiband wave packets of Bloch electrons. For a localized packet in a subset of bands well-separated from the rest of the band structure of the cr
Externí odkaz:
https://doaj.org/article/168f10215eff4a7c8bd0c0b917fe7707
Publikováno v:
New Journal of Physics, Vol 20, Iss 4, p 043057 (2018)
Motivated by the proposal of a Weyl-semimetal phase in pyrochlore iridates, we consider a Hubbard-type model on the pyrochlore lattice. To shed light on the question as to why such a state has not been observed experimentally, its robustness is analy
Externí odkaz:
https://doaj.org/article/fbbdbf22af194b47a7197a496df67e07