Zobrazeno 1 - 10
of 283
pro vyhledávání: '"Thalmeier, peter"'
Autor:
Schmidt, Burkhard, Thalmeier, Peter
The tetragonal heavy fermion compound CeRh2As2 has intriguing low temperature symmetry breaking phases whose nature is unclear. The unconventional superconducting phase is complemented by other normal state phases which presumably involve ordering of
Externí odkaz:
http://arxiv.org/abs/2404.10510
Autor:
Thalmeier, Peter, Akbari, Alireza
Publikováno v:
Phys. Rev. B 109, 115110 (2024)
We present a comparative investigation of singlet ground state induced magnetism for singlet, doublet and triplet excited CEF states of non-Kramers f-electrons relevant primarily for Pr- and U- based compounds. This type of magnetic order is of intri
Externí odkaz:
http://arxiv.org/abs/2311.18416
Autor:
Marino, Andrea, Christovam, Denise S., Chang, Chun-Fu, Falke, Johannes, Kuo, Chang-Yang, Wu, Chi-Nan, Sundermann, Martin, Amorese, Andrea, Gretarsson, Hlynur, Wong, Eric Lee, Moir, Camilla M., Deng, Yuang, Maple, M. Brian, Thalmeier, Peter, Tjeng, Liu Hao, Severing, Andrea
Publikováno v:
Phys. Rev. B 108, 085128 (2023)
The application of pressure as well as the successive substitution of Ru with Fe in the hidden order (HO) compound URu$_2$Si$_2$ leads to the formation of the large moment antiferromagnetic phase (LMAFM). Here we have investigated the substitution se
Externí odkaz:
http://arxiv.org/abs/2308.12011
Autor:
Marino, Andrea, Sundermann, Martin, Christovam, Denise S., Amorese, Andrea, Chang, Chun-Fu, Dolmantas, Paulius, Said, Ayman H., Grrtarsson, Hlynur, Keimer, Bernhard, Haverkort, Maurits W., Andreev, Alexander V., Havela, Ladilav, Thalmeier, Peter, Tjeng, Liu Hao, Severing, Andrea
Publikováno v:
Phys. Rev. B 108, 045142 (2023)
Using high resolution tender-x-ray resonant inelastic scattering and hard-x-ray non-resonant inelastic scattering beyond the dipole limit we were able to detect electronic excitations in intermetallic UGa$_2$ that are highly atomic in nature. Analysi
Externí odkaz:
http://arxiv.org/abs/2307.15100
Publikováno v:
Phys. Rev. B 108, 045143 (2023)
We investigate the dispersive paramagnetic excitons on the honeycomb lattice that originate from the crystalline-electric field (CEF) split localized f-electron states in the paramagnetic state due to intersite exchange. We start with a symmetry anal
Externí odkaz:
http://arxiv.org/abs/2303.17975
Autor:
Akbari, Alireza, Thalmeier, Peter
Publikováno v:
J. Phys.: Condens. Matter, 35, 265601 (2023)
We investigate the magnetic excitation spectrum in the helical state of a noncentrosymmetric superconductor with inversion symmetry breaking and strong Rashba spin-orbit coupling. For this purpose, we derive the general expressions of the dynamical s
Externí odkaz:
http://arxiv.org/abs/2210.03059
Autor:
Thalmeier, Peter, Akbari, Alireza
Publikováno v:
Phys. Rev. B 106, 064501 (2022)
We derive the dynamical magnetic response functions in the Fulde-Ferrell (FF) state of a superconductor with inversion symmetry. The pair momentum 2q is obtained by minimization of the condensation energy and the resulting quasiparticle states and sp
Externí odkaz:
http://arxiv.org/abs/2205.09207
Autor:
Akbari, Alireza, Thalmeier, Peter
Publikováno v:
Phys. Rev. Research 4, 023096 (2022)
We investigate the quasiparticle excitations in the FFLO- type helical state of a superconductor with inversion-symmetry breaking and strong Rashba spin-orbit coupling. We restrict to a state with single finite momentum of Cooper pairs in the helical
Externí odkaz:
http://arxiv.org/abs/2201.13213
Autor:
Thalmeier, Peter, Akbari, Alireza
Publikováno v:
Phys. Rev. B 104, 184511 (2021)
The protected helical surface states in thin films of topological insulators (TI) are subject to inter-surface hybridisation. This leads to gap opening and spin texture changes as witnessed in photoemission and quasiparticle interference investigatio
Externí odkaz:
http://arxiv.org/abs/2111.03145
Autor:
Thalmeier, Peter
Publikováno v:
Phys. Rev. B 103 (2021) 144435
The quantum magnetism in a three-singlet model (TSM) with singlet crystalline electric field (CEF) states interacting on a lattice is investigated, motivated by its appearance in compounds with 4f^2 and 5f^2 electronic structure. Contrary to conventi
Externí odkaz:
http://arxiv.org/abs/2104.13273