Quantum Information and Many-Body Quantum Systems

seminar: Monogamy and ground-state entanglement in highly connected systems

speaker: Alessandro Ferraro (Queen's University Belfast)

abstract: We consider the ground-state entanglement in highly connected many-body systems, consisting of harmonic oscillators and spin-12 systems. Varying their degree of connectivity, we investigate the interplay between the enhancement of entanglement, due to connections, and its frustration, due to monogamy constraints. Remarkably, we see that in many situations the degree of entanglement in a highly connected system is essentially of the same order as in a low connected one. We also identify instances in which the entanglement decreases as the degree of connectivity increases.

timetable:
Mon 26 Mar, 15:50 - 16:20, Aula Dini
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