56 citations · 417 across the 21 of their papers we have counts for
7 papers · 1 filter
Work statistics and Entanglement across the fermionic superfluid-insulator transition
Krissia Zawadzki, Guilherme A. Canella, Vivian V. França +1
Entanglement in many-body systems may display interesting signatures of quantum phase transitions and similar properties are starting to be encountered in the analysis of work fluc…
Linear entropy fails to predict entanglement behavior in low-density fermionic systems
T. Pauletti, M. Garcia, G. A. Canella +1
Entanglement is considered a fundamental ingredient for quantum technologies and condensed matter systems are among the good candidates for quantum devices. For bipartite pure stat…
Metric-space approach for distinguishing quantum phase transitions in spin-imbalanced systems
T. de Picoli, I. D' Amico, V. V. França
Metric spaces are characterized by distances between pairs of elements. Systems that are physically similar are expected to present smaller distances (between their densities, wave…
Testing density-functional approximations on a lattice and the limits of the related Hohenberg-Kohn-type theorem
V. V. França, J. P. Coe, I. D'Amico
We present a metric-space approach to quantify the performance of density-functional approximations for interacting many-body systems and to explore the validity of the Hohenberg-K…
Entanglement enhancement in spatially inhomogeneous many-body systems
Tobias Bruenner, Erich Runge, Andreas Buchleitner +1
We investigate the effects of spatial inhomogeneities on the entanglement of modes of strongly correlated systems in the framework of small Fermi-Hubbard chains. We find regimes wh…
Quantum mechanics in metric space: wave functions and their densities
I. D'Amico, J. P. Coe, V. V. Franca +1
Hilbert space combines the properties of two fundamentally different types of mathematical spaces: vector space and metric space. While the vector-space aspects of Hilbert space, s…
Entanglement from density measurements: analytical density-functional for the entanglement of strongly correlated fermions
Vivian V. França, Irene D'Amico
We derive an analytical density functional for the single-site entanglement of the one-dimensional homogeneous Hubbard model, by means of an approximation to the linear entropy. We…