2.8k citations · 5.3k across the 28 of their papers we have counts for
13 papers · 1 filter
Qibolab: an open-source hybrid quantum operating system
Stavros Efthymiou, Alvaro Orgaz-Fuertes, Rodolfo Carobene +13
We present Qibolab, an open-source software library for quantum hardware control integrated with the Qibo quantum computing middleware framework. Qibolab provides the software laye…
The Prime state and its quantum relatives
D. García-Martín, E. Ribas, S. Carrazza +2
The Prime state of qubits, , is defined as the uniform superposition of all the computational-basis states corresponding to prime numbers smaller than $2^…
Violation of area-law scaling for the entanglement entropy in spin 1/2 chains
G. Vitagliano, A. Riera, J. I. Latorre
Entanglement entropy obeys area law scaling for typical physical quantum systems. This may naively be argued to follow from locality of interactions. We show that this is not the c…
Quantum algorithm for the Laughlin wave function
J. I. Latorre, V. Picó, A. Riera
We construct a quantum algorithm that creates the Laughlin state for an arbitrary number of particles in the case of filling fraction one. This quantum circuit is efficient sin…
Area law and vacuum reordering in harmonic networks
A. Riera, J. I. Latorre
We review a number of ideas related to area law scaling of the geometric entropy from the point of view of condensed matter, quantum field theory and quantum information. An explic…
Fine-grained entanglement loss along renormalization group flows
J. I. Latorre, C. A. Lutken, E. Rico +1
We explore entanglement loss along renormalization group trajectories as a basic quantum information property underlying their irreversibility. This analysis is carried out for the…
Systematic Analysis of Majorization in Quantum Algorithms
Roman Orus, Jose I. Latorre, Miguel A. Martin-Delgado
Motivated by the need to uncover some underlying mathematical structure of optimal quantum computation, we carry out a systematic analysis of a wide variety of quantum algorithms f…
Entanglement in quantum critical phenomena
G. Vidal, J. I. Latorre, E. Rico +1
Quantum phase transitions occur at zero temperature and involve the appearance of long-range correlations. These correlations are not due to thermal fluctuations but to the intrica…
The Majorization Arrow in Quantum Algorithm Design
J. I. Latorre, M. A. Martin-Delgado
We apply majorization theory to study the quantum algorithms known so far and find that there is a majorization principle underlying the way they operate. Grover's algorithm is a n…
Three-party entanglement from positronium
A. Acin, J. I. Latorre, P. Pascual
The decay of ortho-positronium into three photons produces a physical realization of a pure state with three-party entanglement. Its quantum correlations are analyzed using recent…
Generalized Schmidt decomposition and classification of three-quantum-bit states
A. Acin, A. Andrianov, L. Costa +3
We prove for any pure three-quantum-bit state the existence of local bases which allow to build a set of five orthogonal product states in terms of which the state can be written i…
Optimal minimal measurements of mixed states
G. Vidal, J. I. Latorre, P. Pascual +1
The optimal and minimal measuring strategy is obtained for a two-state system prepared in a mixed state with a probability given by any isotropic a priori distribution. We explicit…
Minimal optimal generalized quantum measurements
J. I. Latorre, P. Pascual, R. Tarrach
Optimal and finite positive operator valued measurements on a finite number of identically prepared systems have been presented recently. With physical realization in mind we p…