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Publikováno v:
Phys. Rev. B 98, 041106 (2018)
The entanglement in a quantum system that possess an internal symmetry, characterized by the Sz-magnetization or U(1)-charge, is distributed among different sectors. The aim of this letter is to gain a deeper understanding of the contribution to the
Externí odkaz:
http://arxiv.org/abs/1804.06357
Autor:
Jara, D. A. C., Alcaraz, F. C.
Publikováno v:
J. Stat. Mech. P053205 (2018)
The raise and peel model (RPM) is a nonlocal stochastic model describing the space and time fluctuations of an evolving one dimensional interface. Its relevant parameter $u$ is the ratio between the rates of local adsorption and nonlocal desorption p
Externí odkaz:
http://arxiv.org/abs/1802.02401
Autor:
Jara, D. A. C., Alcaraz, F. C.
Publikováno v:
J. Stat. Mech. (2017) 043205
We study a two parameter ($u,p$) extension of the conformally invariant raise and peel model. The model also represents a nonlocal and biased-asymmetric exclusion process with local and nonlocal jumps of excluded volume particles in the lattice. The
Externí odkaz:
http://arxiv.org/abs/1701.04637
Autor:
Alcaraz, F. C.
Publikováno v:
Phys. Rev. B Vol.94, 115116 (2016)
An existing conjecture states that the Shannon mutual information contained in the ground state wavefunction of conformally invariant quantum chains, on periodic lattices, has a leading finite-size scaling behavior that, similarly as the von Neumann
Externí odkaz:
http://arxiv.org/abs/1606.04994
Publikováno v:
Physica. A (Print), v. 438, p. 56-65, 2015
We obtained the exact solution of a probabilistic cellular automaton related to the diagonal-to-diagonal transfer matrix of the six-vertex model on a square lattice. The model describes the flow of ants (or particles), traveling on a one-dimensional
Externí odkaz:
http://arxiv.org/abs/1507.03552
Autor:
Alcaraz, F. C., Rajabpour, M. A.
Publikováno v:
Phys. Rev. B 91, 155122 (2015)
We study the R\'enyi mutual information $\tilde{I}_n$ of the ground state of different critical quantum chains. The R\'enyi mutual information definition that we use is based on the well established concept of the R\'enyi divergence. We calculate thi
Externí odkaz:
http://arxiv.org/abs/1501.02852
Publikováno v:
Phys. Rev. E 90, 052138 (2014)
A lattice model of critical dense polymers $O(0)$ is considered for the finite cylinder geometry. Due to the presence of non-contractible loops with a fixed fugacity $\xi$, the model is a generalization of the critical dense polymers solved by Pearce
Externí odkaz:
http://arxiv.org/abs/1409.7848
Autor:
Alcaraz, F. C., Rajabpour, M. A.
Publikováno v:
Phys. Rev. B 90, 075132 (2014)
We study the Shannon and R\'enyi mutual information (MI) in the ground state (GS) of different critical quantum spin chains. Despite the apparent basis dependence of these quantities we show the existence of some particular basis (we will call them c
Externí odkaz:
http://arxiv.org/abs/1405.1074
Autor:
Alcaraz, F. C., Rajabpour, M. A.
Publikováno v:
Phys. Rev. Lett. 111, 017201 (2013)
We consider the Shannon mutual information of subsystems of critical quantum chains in their ground states. Our results indicate a universal leading behavior for large subsystem sizes. Moreover, as happens with the entanglement entropy, its finite-si
Externí odkaz:
http://arxiv.org/abs/1305.1239