Dresden 2011 – scientific programme
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DY: Fachverband Dynamik und Statistische Physik
DY 12: Quantum Dynamics, Decoherence, and Quantum Information II
DY 12.4: Talk
Tuesday, March 15, 2011, 11:00–11:15, ZEU 255
Modular Entanglement — •Giulia Gualdi1,2, Salvatore Marco Giampaolo2, and Fabrizio Illuminati2 — 1Universiät Kassel Fachbereich 10 - Mathematik und Naturwissenschaften Institut für Physik Heinrich-Plett-Str. 40 D-34132 Kassel — 2Dipartimento di Matematica e Informatica, Università degli Studi di Salerno, Via Ponte don Melillo, I-84084 Fisciano (SA), Italy; CNR-SPIN, and INFN Sezione di Napoli, Gruppo collegato di Salerno, I-84084 Fisciano (SA), Italy
We introduce and discuss the concept of modular entanglement. This is the entanglement that is established between the end points of modular systems composed by sets of interacting moduli of arbitrarily fixed size. We show that end-to-end modular entanglement scales in the thermodynamic limit and rapidly saturates with the number of constituent moduli. We clarify the mechanisms underlying the onset of entanglement between distant and non-interacting quantum systems and its optimization for applications to quantum repeaters and entanglement distribution and sharing.