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- Polish Academy of SciencesPL89 papers
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24 papers · 1 filter
Continuum Limit of Overlap Valence Quarks on a Twisted Mass Sea
Krzysztof Cichy, Gregorio Herdoiza, Karl Jansen
We study a lattice QCD mixed action with overlap valence quarks on two flavours of Wilson maximally twisted mass sea quarks. Employing three different matching conditions to relate…
Spin Diode Behavior in Transport Through Single-Molecule Magnets
Maciej Misiorny, Irenuesz Weymann, Jozef Barnas
We study transport properties of a single-molecule magnet (SMM) weakly coupled to one nonmagnetic and one ferromagnetic lead. Using the diagrammatic technique in real time, we calc…
Spin effects in transport through single-molecule magnets in the sequential and cotunneling regimes
Maciej Misiorny, Ireneusz Weymann, Jozef Barnas
We analyze the stationary spin-dependent transport through a single-molecule magnet weakly coupled to external ferromagnetic leads. Using the real-time diagrammatic technique, we c…
Experimental Extraction of Secure Correlations from a Noisy Private State
Krzysztof Dobek, Michal Karpinski, Rafal Demkowicz-Dobrzanski +2
We report experimental generation of a noisy entangled four-photon state that exhibits a separation between the secure key contents and distillable entanglement, a hallmark feature…
Coexistence and critical behaviour in a lattice model of competing species
Jacek Wendykier, Adam Lipowski, Antonio Luis Ferreira
In the present paper we study a lattice model of two species competing for the same resources. Monte Carlo simulations for d=1, 2, and 3 show that when resources are easily availab…
Orbital Kondo effect in double quantum dots
Piotr Trocha
Orbital Kondo effect in a system of two single-level quantum dots attached to external electron reservoirs is considered theoretically. The dots are coupled via direct hoping term…