Zobrazeno 1 - 10
of 5 153
pro vyhledávání: '"1/2 [spin]"'
We explore the potential experimental realization of the mixed-spin Kitaev model in materials such as Zr$_{0.5}$Ru$_{0.5}$Cl$_3$, where spin-1/2 and spin-3/2 ions occupy distinct sublattices of a honeycomb lattice. By developing a superexchange theor
Externí odkaz:
http://arxiv.org/abs/2412.09310
We employ a classical limit grounded in SU(4) coherent states to investigate the temperature-dependent dynamical spin structure factor of the $S = 1/2$ ladder consisting of weakly coupled dimers. By comparing the outcomes of this classical approximat
Externí odkaz:
http://arxiv.org/abs/2405.16315
Akademický článek
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We investigate the Quantum Zeno Effect in spin 1/2, spin 1 and spin 3/2 open quantum systems undergoing Rabi oscillations, revealing unexplored features for the spin 1 and spin 3/2 systems. The systems interact with an environment designed to perform
Externí odkaz:
http://arxiv.org/abs/2209.10626
Akademický článek
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Autor:
Sakai, Tôru, Nakanishi, Ryosuke, Yamada, Takaharu, Furuchi, Rito, Nakano, Hiroki, Kaneyasu, Hirono, Okamoto, Kiyomi, Tonegawa, Takashi
The $S=1/2$ quantum spin ladder system with the anisotropic ferromagnetic exchange interaction on the rung under magnetic field is investigated using the numerical diagonalization and the density matrix renormalization group (DMRG) analyses. It is fo
Externí odkaz:
http://arxiv.org/abs/2208.10994
Autor:
Pughe, Charlotte E., Mustonen, Otto H. J., Gibbs, Alexandra S., Etter, Martin, Liu, Cheng, Dutton, Siân E., Friskney, Aidan, Hyatt, Neil C., Stenning, Gavin B. G., Mutch, Heather M., Coomer, Fiona C., Cussen, Edmund J.
Publikováno v:
Inorganic Chemistry 61, 4033-4045 (2022)
Remarkably, doping isovalent $d^{10}$ and $d^0$ cations onto the $B$'' site in $A_2B$'$B$''O$_6$ double perovskites has the power to direct the magnetic interactions between magnetic $B$' cations. This is due to changes in orbital hybridization, whic
Externí odkaz:
http://arxiv.org/abs/2108.02761
Autor:
Kar, Satyaki
A recent density functional theory (DFT) based analysis, complemented with Quantum Monte Carlo calculations revealed a highly spin-frustrating nature of the one-dimensional spin-$\frac{1}{2}$ compound $Cs_2CuAl_4O_8$ that comprises of unique bond alt
Externí odkaz:
http://arxiv.org/abs/1902.04008
Publikováno v:
In Journal of Magnetism and Magnetic Materials 15 August 2020 508
By combining 5d transition-metal oxides showing pronounced spin-orbit interactions and oxide-based heterostructures, we propose rutile-based IrO2/TiO2 superlattices as promising candidates for unconventional electronic properties. By means of density
Externí odkaz:
http://arxiv.org/abs/1702.04408