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111 papers · 1 filter
Resource complexity of Symmetry Protected Topological phases
Alberto Giuseppe Catalano, Sven Benjamin Kožić, Gianpaolo Torre +4
We pursue the identification of quantum resources carried by topological order, by evaluating quantum magic, quantified through the rank- Stabilizer Rényi entropy $\mathcal{M}_2…
Quantum Coherence of Topologically Frustrated Spin Chains
S. B. Kožić, G. Torre, K. Delić +2
The study of entanglement and magic properties in topologically frustrated systems suggests that, in the thermodynamic limit, these quantities decompose into two distinct contribut…
Long-distance genuine multipartite Entanglement between Magnetic Defects in Spin Chains
Mirko Consiglio, Jovan Odavić, Riccarda Bonsignori +5
We investigate the emergence and properties of long-distance genuine multipartite entanglement, induced via three localized magnetic defects, in a one-dimensional transverse-field…
Quantum Contextual Hypergraphs, Operators, Inequalities, and Applications in Higher Dimensions
Mladen Pavicic
Quantum contextuality plays a significant role in supporting quantum computation and quantum information theory. The key tools for this are the Kochen--Specker and non-Kochen--Spec…
Magic phase transition and non-local complexity in generalized State
A. G. Catalano, J. Odavić, G. Torre +3
We employ the Stabilizer Renyi Entropy (SRE) to characterize a quantum phase transition that has so far eluded any standard description and can thus now be explained in terms of th…
Quantum statistical mechanics from a Bohmian perspective
Hrvoje Nikolic
We develop a general formulation of quantum statistical mechanics in terms of probability currents that satisfy continuity equations in the multi-particle position space, for close…