Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Magnetic phases in an artificial realization of the square ice model
Brunn, Ondřej ; Hrabec, Aleš (oponent) ; Rougemaille, Nicolas (vedoucí práce)
Artificial spin systems are convenient tool for exploring and manipulating unconventional exotic low-energy states directly in real space. Experimental realization of these system is made by pattering arrays of interacting nanomagnets with given geometry. First and also probably the most extensively studied artificial system have regular square lattice. In this work we deal with the modification of the square geometry that enable us to induce distinct magnetic phases of ice-type models. Results show that with appropriate tuning of the modification, several magnetic phases can be reached, including the disordered spin-liquid phase with trapped magnetic quasi-particles (magnetic monopoles).
Magnetic phases in an artificial realization of the square ice model
Brunn, Ondřej ; Hrabec, Aleš (oponent) ; Rougemaille, Nicolas (vedoucí práce)
Artificial spin systems are convenient tool for exploring and manipulating unconventional exotic low-energy states directly in real space. Experimental realization of these system is made by pattering arrays of interacting nanomagnets with given geometry. First and also probably the most extensively studied artificial system have regular square lattice. In this work we deal with the modification of the square geometry that enable us to induce distinct magnetic phases of ice-type models. Results show that with appropriate tuning of the modification, several magnetic phases can be reached, including the disordered spin-liquid phase with trapped magnetic quasi-particles (magnetic monopoles).

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