51 citations · 399 across the 38 of their papers we have counts for
38 papers
Emergent correlations in the selected link-times along optimal paths
Iván Álvarez Domenech, Javier Rodríguez-Laguna, Pedro Córdoba-Torres +1
In the context of first-passage percolation (FPP), we investigate the statistical properties of the selected link-times (SLTs) -the random link times comprising the optimal paths (…
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…
Entanglement Halos
Nadir Samos Sáenz de Buruaga, Silvia N. Santalla, Germán Sierra +1
We introduce the concept of entanglement halos, a set of strongly entangled distant sites within the ground state of a quantum many-body system. Such halos emerge in star-like syst…
Universal fluctuations of global geometrical measurements in planar clusters
Silvia N. Santalla, Iván Álvarez Domenech, Daniel Villarrubia +2
We characterize universal features of the sample-to-sample fluctuations of global geometrical observables, such as the area, width, length, and center-of-mass position, in random g…
Shape effects in the fluctuations of random isochrones on a square lattice
Iván Álvarez Domenech, Javier Rodríguez-Laguna, Rodolfo Cuerno +2
We consider the isochrone curves in first-passage percolation on a 2D square lattice, i.e. the boundary of the set of points which can be reached in less than a given time from a c…
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…
Depletion in fermionic chains with inhomogeneous hoppings
Begoña Mula, Nadir Samos Sáenz de Buruaga, Germán Sierra +2
The ground state of a free-fermionic chain with inhomogeneous hoppings at half-filling can be mapped into the Dirac vacuum on a static curved space-time, which presents exactly hom…
Entanglement links and the quasiparticle picture
Silvia N. Santalla, Giovanni Ramírez, Sudipto Singha Roy +2
The time evolution of a quantum state with short-range correlations after a quench to a one-dimensional critical Hamiltonian can be understood using the quasi-particle picture, whi…
Anomalous dynamic scaling of Ising interfaces
E. Rodriguez-Fernandez, S. N. Santalla, M. Castro +1
Until very recently, the asymptotic occurrence of intrinsic anomalous scaling has been expected to require concomitant effects for kinetically rough interfaces, like quenched disor…
Ergotropy and entanglement in critical spin chains
Begoña Mula, Eva M. Fernández, José E. Alvarellos +4
A subsystem of an entangled ground state is in a mixed state. Thus, if we isolate this subsystem from its surroundings we may be able to extract work applying unitary transformatio…
Anomalous ballistic scaling in the tensionless or inviscid Kardar-Parisi-Zhang equation
Enrique Rodriguez-Fernandez, Silvia N. Santalla, Mario Castro +1
The one-dimensional Kardar-Parisi-Zhang (KPZ) equation is becoming an overarching paradigm for the scaling of nonequilibrium, spatially extended, classical and quantum systems with…
Exotic correlation spread in free-fermionic states with initial patterns
Sudipto Singha Roy, Giovanni Ramírez, Silvia N. Santalla +2
We describe a relation between the light-cone velocities after a quantum quench and the internal structure of the initial state, in the particular case of free fermions on a chain…
Entanglement in non-critical inhomogeneous quantum chains
Nadir Samos Sáenz de Buruaga, Silvia N. Santalla, Javier Rodríguez-Laguna +1
We study an inhomogeneous critical Ising chain in a transverse field whose couplings decay exponentially from the center. In the strong inhomogeneity limit we apply Fisher's renorm…
Emergent geometry from entanglement structure
Sudipto Singha Roy, Silvia N. Santalla, Javier Rodríguez-Laguna +1
We attempt to reveal the geometry, emerged from the entanglement structure of any general -party pure quantum many-body state by representing entanglement entropies correspondin…
Link representation of the entanglement entropies for all bipartitions
Sudipto Singha Roy, Silvia N. Santalla, Germán Sierra +1
We have recently shown that the entanglement entropy of any bipartition of a quantum state can be approximated as the sum of certain link strengths connecting internal and external…
Effects of confinement and vaccination on an epidemic outburst: a statistical mechanics approach
Óscar Toledano, Begoña Mula, Silvia N. Santalla +2
This work describes a simple agent model for the spread of an epidemic outburst, with special emphasis on mobility and geographical considerations, which we characterize via statis…
Bulk-edge correspondence in the Haldane phase of the bilinear-biquadratic spin-1 Hamiltonian
Sudipto Singha Roy, Silvia N. Santalla, Javier Rodríguez-Laguna +1
The Haldane phase is the prototype of symmetry protected topological (SPT) phases of spin chain systems. It can be protected by several symmetries having in common the degeneracy o…
Casimir forces on deformed fermionic chains
Begoña Mula, Silvia N. Santalla, Javier Rodríguez-Laguna
We characterize the Casimir forces for the Dirac vacuum on free-fermionic chains with smoothly varying hopping amplitudes, which correspond to (1+1)D curved spacetimes with a stati…
Random walkers on a deformable medium
Carlos Lajusticia-Costan, Silvia N. Santalla, Javier Rodríguez-Laguna +1
We consider random walkers that deform the medium as they move, enabling a faster motion in regions which have been recently visited. This induces an effective attraction between w…
Piercing the rainbow: entanglement on an inhomogeneous spin chain with a defect
Nadir Samos Sáenz de Buruaga, Silvia N. Santalla, Javier Rodríguez-Laguna +1
The {\em rainbow state} denotes a set of valence bond states organized concentrically around the center of a spin 1/2 chain. It is the ground state of an inhomogeneous XX Hamiltoni…
First-Passage Percolation under extreme disorder: from bond-percolation to Kardar-Parisi-Zhang universality
Daniel Villarrubia, Iván Álvarez Domenech, Silvia N. Santalla +2
We consider the statistical properties of arrival times and balls on first-passage percolation (FPP) square lattices with strong disorder in the link-times. A previous work sh…
Nanowire reconstruction under external magnetic fields
Eva M. Fernández, Silvia N. Santalla, José Enrique Alvarellos +1
We consider the different structures that a magnetic nanowire adsorbed on a surface may adopt under the influence of external magnetic or electric fields. First, we propose a theor…
Entanglement as geometry and flow
Sudipto Singha Roy, Silvia N. Santalla, Javier Rodríguez-Laguna +1
We explore the connection between the area law for entanglement and geometry by representing the entanglement entropies corresponding to all bipartitions of an -party pure…
Power Accretion in Social Systems
Silvia N. Santalla, Kostadin Koroutchev, Elka Korutcheva +1
We consider a model of power distribution in a social system where a set of agents play a simple game on a graph: the probability of winning each round is proportional to the agent…