We demonstrate that the global-entanglement (GE) measure defined by Meyer and Wallach
[J. Math. Phys. 43, 4273 (2002)] is maximal at the critical point for the Ising chain in a …

We formalize and extend an operational multipartite entanglement measure introduced by
TR Oliveira, G. Rigolin, and MC de Oliveira, Phys. Rev. A 73, 010305 (R)(2006), through the …

We derive a general relation between the nonanalyticities of the ground state energy and
those of a subclass of the multipartite generalized global entanglement (GGE) measure …

We analyze the XY model characterized by an anisotropy γ in an external magnetic field, h,
with respect to its genuine multipartite entanglement content (in the thermodynamic and …

Characterizing and quantifying quantum correlations in states of many-particle systems is at
the core of a full understanding of phase transitions in matter. In this work, we continue our …

The characterization of an infinite-order quantum phase transition (QPT) by entanglement
measures is analyzed. To this aim, we consider two closely related solvable spin-1/2 chains …

We show that by examining the global geometric entanglement it is possible to identify
“elusive” or hard to detect quantum phase transitions. We analyze several one-dimensional …

We provide a study of various quantum phase transitions occurring in the XY Heisenberg
chain in a transverse magnetic field using the Meyer-Wallach (MW) measure of (global) …

We provide insight into the quantum correlations structure present in strongly correlated
systems beyond the standard framework of bipartite entanglement. To this aim we first …

In this paper we consider the quantum phase transition in the Ising model in the presence of
a transverse field in one, two, and three dimensions from a multipartite entanglement point of …