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19922026
most citedSubgraph Centrality in Complex Networks

1.3k citations

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134 papers · 1 filter

quant-ph2026

Shaping frequency-tunable single photons for quantum networking in waveguide QED

Álvaro Pernas, Ricardo Puebla

The exchange of quantum information among nodes in a quantum network is one of the main challenges in modern technologies. Superconducting waveguide QED networks hold great potenti…

quant-ph2026

The hyperlink representation of entanglement and the inclusion-exclusion principle

Silvia N. Santalla, Sudipto Singha Roy, Germán Sierra +1

The entanglement entropy (EE) of any bipartition of a pure state can be approximately expressed as a sum of entanglement links (ELs). In this work, we introduce their exact extensi…

quant-ph2025

An approach to study the adiabaticity and irreversibility in the TDHO

Salvador J. Robles-Perez, Salvador Castillo-Rivera

This work studies the relationship between parametric amplification (or particle creation), adiabaticity and irreversibility in the non-quasi-static regime of a time-dependent quan…

quant-ph2025

Nonexistence of maximally entangled mixed states for a fixed spectrum

Gonzalo Camacho, Julio I. de Vicente

The existence of a maximally entangled pure state is a cornerstone result of entanglement theory that has paramount consequences in quantum information theory. A natural generaliza…

quant-ph2025★ 1 cited

Comment on "Properties and dynamics of generalized squeezed states"

Rubén Gordillo-Hachuel, Ricardo Puebla

A recent article [S. Ashhab and M. Ayyash, New J. Phys. 27, 054104 (2025)] has reported unexpected oscillatory dynamics in generalized squeezed states of order higher than two as t…

quant-ph2025★ 3 cited

Universal Resources for QAOA and Quantum Annealing

Pablo Díez-Valle, Fernando J. Gómez-Ruiz, Diego Porras +1

The Quantum Approximate Optimization Algorithm (QAOA) is a variational ansatz that resembles the Trotterized dynamics of a Quantum Annealing (QA) protocol. This work formalizes thi…

quant-ph2025

Distillation of multipartite entangled states for arbitrary subsets of parties in noisy quantum networks of increasing size

Aitor Balmaseda, Julio I. de Vicente

Quantum network states are multipartite states built from distributing pairwise entanglement among parties and underpin the paradigm of quantum networks for quantum information pro…

quant-ph2025★ 33 cited

Roadmap on Quantum Thermodynamics

Steve Campbell, Irene D'Amico, Mario A. Ciampini +66

The last two decades has seen quantum thermodynamics become a well established field of research in its own right. In that time, it has demonstrated a remarkably broad applicabilit…

quant-ph2024

Asymptotic robustness of entanglement in noisy quantum networks and graph connectivity

Fernando Lledó, Carlos Palazuelos, Julio I. de Vicente

Quantum networks are promising venues for quantum information processing. This motivates the study of the entanglement properties of the particular multipartite quantum states that…

quant-ph2024★ 10 cited

Satellite image classification with neural quantum kernels

Pablo Rodriguez-Grasa, Robert Farzan-Rodriguez, Gabriele Novelli +2

Achieving practical applications of quantum machine learning for real-world scenarios remains challenging despite significant theoretical progress. This paper proposes a novel appr…

quant-ph2024

Cavity Control of Topological Qubits: Fusion Rule, Anyon Braiding, and Majorana-Schrödinger Cat States

Luis Quiroga, Fernando J. Gómez-Ruiz, Ivan A. Bocanegra-Garay +2

We investigate the effects of coupling a local electromagnetic cavity to a segment of a topological Kitaev chain (KC), with particular emphasis on the interplay between photons and…

quant-ph2024★ 1 cited

Quantum information scrambling in adiabatically-driven critical systems

Ricardo Puebla, Fernando J. Gómez-Ruiz

Quantum information scrambling refers to the spread of the initially stored information over many degrees of freedom of a quantum many-body system. Information scrambling is intima…

quant-ph2024★ 5 cited

Matrix-product unitaries: Beyond quantum cellular automata

Georgios Styliaris, Rahul Trivedi, David Pérez-García +1

Matrix-product unitaries (MPU) are 1D tensor networks describing time evolution and unitary symmetries of quantum systems, while their action on states by construction preserves th…

quant-ph2024★ 5 cited

Exploring Ground States of Fermi-Hubbard Model on Honeycomb Lattices with Counterdiabaticity

Jialiang Tang, Ruoqian Xu, Yongcheng Ding +6

Exploring the ground state properties of many-body quantum systems conventionally involves adiabatic processes, alongside exact diagonalization, in the context of quantum annealing…

quant-ph2024★ 7 cited

Multiplexed quantum state transfer in waveguides

Guillermo F. Peñas, Ricardo Puebla, Juan José García-Ripoll

In this article, we consider a realistic waveguide implementation of a quantum network that serves as a testbed to show how to maximize the storage and manipulation of quantum info…

quant-ph2024★ 1 cited

Guarantees on the structure of experimental quantum networks

Andrés Ulibarrena, Jonathan W. Webb, Alexander Pickston +3

Quantum networks connect and supply a large number of nodes with multi-party quantum resources for secure communication, networked quantum computing and distributed sensing. As the…

quant-ph2024★ 11 cited

Maximally entangled mixed states for a fixed spectrum do not always exist

Julio I. de Vicente

Entanglement is a resource under local operations assisted by classical communication (LOCC). Given a set of states , if there is one state in that can be transformed by LOC…

quant-ph2024★ 4 cited

Quantum Tomography and the Quantum Radon Transform

Alberto Ibort, Alberto López-Yela

A general framework in the setting of -algebras for the tomographical description of states, that includes, among other tomographical schemes, the classical Radon transform, q…

quant-ph2024★ 14 cited

Neural quantum kernels: training quantum kernels with quantum neural networks

Pablo Rodriguez-Grasa, Yue Ban, Mikel Sanz

Quantum and classical machine learning have been naturally connected through kernel methods, which have also served as proof-of-concept for quantum advantage. Quantum embeddings en…

quant-ph2023★ 4 cited

Automatic Detection of Nuclear Spins at Arbitrary Magnetic Fields via Signal-to-Image AI Model

B. Varona-Uriarte, C. Munuera-Javaloy, E. Terradillos +4

Quantum sensors leverage matter's quantum properties to enable measurements with unprecedented spatial and spectral resolution. Among these sensors, those utilizing nitrogen-vacanc…

quant-ph2023★ 4 cited

Quantum network-entanglement measures

Zhen-Peng Xu, Julio I. de Vicente, Liang-Liang Sun +1

Quantum networks are of high interest nowadays and a quantum internet has been long envisioned. Network-entanglement adapts the notion of entanglement to the network scenario and n…

quant-ph2023

Long term behavior of the stirred vacuum on a Dirac chain: geometry blur and the random Slater ensemble

José Vinaixa, Begoña Mula, Alfredo Deaño +2

We characterize the long-term state of the 1D Dirac vacuum stirred by an impenetrable object, modeled as the ground state of a finite free-fermionic chain dynamically perturbed by…

quant-ph2023★ 15 cited

Optimizing edge state transfer in a Su-Schrieffer-Heeger chain via hybrid analog-digital strategies

Sebastián V. Romero, Xi Chen, Gloria Platero +1

The Su-Schrieffer-Heeger (SSH) chain, which serves as a paradigmatic model for comprehending topological phases and their associated edge states, plays an essential role in advanci…

quant-ph2023★ 1 cited

On the categorical foundations of quantum information theory: Categories and the Cramer-Rao inequality

Florio M. Ciaglia, Fabio Di Cosmo, Laura González-Bravo +2

An extension of Cencov's categorical description of classical inference theory to the domain of quantum systems is presented. It provides a novel categorical foundation to the theo…