Zobrazeno 1 - 10
of 297
pro vyhledávání: '"Giniyat A"'
Autor:
Puphal, Pascal, Reiss, Pascal, Enderlein, Niklas, Wu, Yu-Mi, Khaliullin, Giniyat, Sundaramurthy, Vignesh, Priessnitz, Tim, Knauft, Manuel, Richter, Lea, Isobe, Masahiko, van Aken, Peter A., Takagi, Hidenori, Keimer, Bernhard, Suyolcu, Y. Eren, Wehinger, Björn, Hansmann, Philipp, Hepting, Matthias
The discovery of high-temperature superconductivity in La$_3$Ni$_2$O$_7$ at pressures above 14 GPa has spurred extensive research efforts. Yet, fundamental aspects of the superconducting phase, including the possibility of a filamentary character, ar
Externí odkaz:
http://arxiv.org/abs/2312.07341
Autor:
Wang, Lichen, Liu, Huimei, Zimmermann, Valentin, Yogi, Arvind Kumar, Isobe, Masahiko, Minola, Matteo, Hepting, Matthias, Khaliullin, Giniyat, Keimer, Bernhard
Publikováno v:
Phys. Rev. Lett. 132, 116502 (2024)
Using Raman spectroscopy to study the correlated 4$d$-electron metal Sr$_2$RhO$_4$, we observe pronounced excitations at 220 meV and 240 meV with $A_\mathrm{1g}$ and $B_\mathrm{1g}$ symmetries, respectively. We identify them as transitions between th
Externí odkaz:
http://arxiv.org/abs/2309.15299
Autor:
Liu, Huimei, Hirschmann, Moritz M., Sawatzky, George A., Khaliullin, Giniyat, Schnyder, Andreas P.
SmB6 is a mixed-valence compound with flat f-electron bands that have a propensity to magnetism. Since the paramagnetic phase of SmB6 has a nontrivial Z2 topology, one may expect interesting band topologies for the magnetic phases too. Here we show t
Externí odkaz:
http://arxiv.org/abs/2305.02454
Autor:
Indira Zhetpisbayeva, Alexander Rommel, Fatima Kassymbekova, Yuliya Semenova, Sholpan Sarmuldayeva, Azhar Giniyat, Gulnaz Tanatarova, Azhar Dyussupova, Raida Faizova, Venera Rakhmetova, Natalya Glushkova
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Cervical cancer (CC) continues to be a significant global health issue, which in part can be attributed to disparities in access to CC screening services. This study aims to conduct a trend of CC in Kazakhstan and to compare attitudes toward
Externí odkaz:
https://doaj.org/article/62d9ccf7426c49f8ab53be246fb73387
Publikováno v:
Phys. Rev. B 105, 214411 (2022)
We present an analytical study of the exchange interactions between pseudospin one-half $d^{5}$ ions in honeycomb lattices with edge-shared octahedra. Various exchange channels involving Hubbard U, charge-transfer excitations, and cyclic exchange are
Externí odkaz:
http://arxiv.org/abs/2206.04326
Motivated by the potential for cuprate-like superconductivity in monolayer rare-earth nickelate superlattices, we study the effects of crystal field splitting, lattice distortions and strain on the charge, magnetic, and orbital order in undoped two-d
Externí odkaz:
http://arxiv.org/abs/2106.12644
Publikováno v:
Phys. Rev. Research 3, 033163 (2021)
We develop a microscopic theory of multipole interactions and orderings in 5$d^2$ transition metal ion compounds. In a cubic environment, the ground state of 5$d^2$ ions is a non-Kramers $E_g$ doublet, which is nonmagnetic but hosts quadrupole and oc
Externí odkaz:
http://arxiv.org/abs/2105.09334
Publikováno v:
J. Phys. Soc. Jpn. 90, 062001 (2021)
Complex oxides with $4d$ and $5d$ transition-metal ions recently emerged as a new paradigm in correlated electron physics, due to the interplay between spin-orbit coupling and electron interactions. For $4d$ and $5d$ ions, the spin-orbit coupling, $\
Externí odkaz:
http://arxiv.org/abs/2102.02740
Autor:
Valentin Zimmermann, Arvind Kumar Yogi, Deniz Wong, Christian Schulz, Maciej Bartkowiak, Klaus Habicht, Lichen Wang, Masahiko Isobe, Matteo Minola, Giniyat Khaliullin, Bernhard Keimer, Matthias Hepting
Publikováno v:
npj Quantum Materials, Vol 8, Iss 1, Pp 1-8 (2023)
Abstract Collective excitations such as plasmons and paramagnons are fingerprints of atomic-scale Coulomb and exchange interactions between conduction electrons in metals. The strength and range of these interactions, which are encoded in the excitat
Externí odkaz:
https://doaj.org/article/07403ff4c77e4778bdf44a99098bb168
Publikováno v:
Phys. Rev. Lett. 125, 047201 (2020)
We study the exchange interactions and resulting magnetic phases in the honeycomb cobaltates. For a broad range of trigonal crystal fields acting on Co2+ ions, the low-energy pseudospin-1/2 Hamiltonian is dominated by bond-dependent Ising couplings t
Externí odkaz:
http://arxiv.org/abs/2002.05441