Search Results - "Titvinidze, Irakli"
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Ferromagnetism of magnetic impurities coupled indirectly via conduction electrons: Insights from various theoretical approaches
Published in Physical review. B, Condensed matter and materials physics (14-07-2014)“…The magnetic ground-state properties of the periodic Anderson model with a regular depletion of the correlated sites are analyzed within different theoretical…”
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Dynamical mean-field theory of indirect magnetic exchange
Published in Physical review. B, Condensed matter and materials physics (22-08-2012)“…To analyze the physical properties arising from indirect magnetic exchange between several magnetic adatoms and between complex magnetic nanostructures on…”
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Effect of interactions on harmonically confined Bose-Fermi mixtures in optical lattices
Published in Physical review letters (14-04-2011)“…We investigate a Bose-Fermi mixture in a three-dimensional optical lattice, trapped in a harmonic potential. Using generalized dynamical mean-field theory,…”
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Boundary and finite-size effects in the competition between indirect magnetic exchange and Kondo screening
Published in Journal of the Korean Physical Society (01-05-2013)“…A system of conduction electrons can mediate an indirect magnetic exchange between magnetic impurites. The nonlocal exchange typically competes with the local…”
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Transport through a correlated interface: Auxiliary master equation approach
Published in Physical review. B, Condensed matter and materials physics (21-12-2015)Get full text
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Inverse indirect magnetic exchange
Published in Physical review. B, Condensed matter and materials physics (24-09-2013)“…Magnetic moments strongly coupled to the spins of conduction electrons in a nanostructure can confine the conduction-electron motion due to scattering at…”
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Strong-coupling limit of depleted Kondo- and Anderson-lattice models
Published in The European physical journal. B, Condensed matter physics (01-02-2015)“…Fourth-order strong-coupling degenerate perturbation theory is used to derive an effective low-energy Hamiltonian for the Kondo-lattice model with a depleted…”
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Crossover from conventional to inverse indirect magnetic exchange in the depleted Anderson lattice
Published in Physical review. B, Condensed matter and materials physics (18-05-2015)“…We investigate the finite-temperature properties of an Anderson lattice with regularly depleted impurities. The physics of this model is ruled by two different…”
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Dynamical arrest of ultracold lattice fermions
Published in Physical review letters (15-02-2013)“…We theoretically investigate the thermodynamics of an interacting inhomogeneous two-component Fermi gas in an optical lattice. Motivated by a recent experiment…”
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Invisible flat bands on a topological chiral edge
Published 26-06-2023“…Phys. Rev. B 106, L220407 (2022) We prove that invisible bands associated with zeros of the single-particle Green's function exist ubiquitously at topological…”
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Mean Field Decoupling of Single Impurity Anderson Model through Auxiliary Majorana Fermions
Published 20-03-2024“…We present a method to study the time evolution of the single impurity Anderson model which exploits a mean field decoupling of the interacting impurity and…”
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Hubbard model on the kagome lattice with time-reversal invariant flux and spin-orbit coupling
Published 07-06-2022“…Phys. Rev. B 105, 235102 (2022) We study the Hubbard model with time-reversal invariant flux and spin-orbit coupling and position-dependent onsite energies on…”
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Spin-orbit coupling in the kagome lattice with flux and time-reversal symmetry
Published 03-05-2021“…Phys. Rev. B 103, 195105 (2021) We study the topological properties of a spin-orbit coupled Hofstadter model on the Kagome lattice. The model is time-reversal…”
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Boundary and finite-size effects in the competition between indirect magnetic exchange and Kondo screening
Published 11-06-2013“…J. Korean Phys. Soc. 62, 1434 (2013) A system of conduction electrons can mediate an indirect magnetic exchange between magnetic impurites. The nonlocal…”
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Quasiparticle excitations in steady state transport across a correlated layer
Published 30-09-2015“…J. Phys.: Conf. Ser. 696 012003 (2016) In this work we investigate the spectral and transport properties of a single correlated layer attached to two metallic…”
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Crossover from conventional to inverse indirect magnetic exchange in the depleted Anderson lattice
Published 19-05-2015“…Phys. Rev. B 91, 174420 (2015) We investigate the finite-temperature properties of an Anderson lattice with regularly depleted impurities. The physics of this…”
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Strong-coupling limit of depleted Kondo- and Anderson-lattice models
Published 19-12-2014“…Eur. Phys. J. B 88, 42 (2015) Fourth-order strong-coupling degenerate perturbation theory is used to derive an effective low-energy Hamiltonian for the…”
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Ferromagnetism of magnetic impurities coupled indirectly via conduction electrons: Insights from various theoretical approaches
Published 15-07-2014“…Phys. Rev. B 90, 045112 (2014) The magnetic ground-state properties of the periodic Anderson model with a regular depletion of the correlated sites are…”
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Density-wave steady-state phase of dissipative ultracold fermions with nearest-neighbor interactions
Published 18-11-2018“…Phys. Rev. B 99, 115125 (2019) In this work we investigate the effect of local dissipation on the presence of density-wave ordering in spinful fermions with…”
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