Genuine quantum correlations in quantum many-body systems: a review of recent progress
Quantum information theory has considerably helped in the understanding of quantum many-
body systems. The role of quantum correlations and in particular, bipartite entanglement …
body systems. The role of quantum correlations and in particular, bipartite entanglement …
Entanglement negativity spectrum of random mixed states: A diagrammatic approach
The entanglement properties of random pure states are relevant to a variety of problems
ranging from chaotic quantum dynamics to black-hole physics. The averaged bipartite …
ranging from chaotic quantum dynamics to black-hole physics. The averaged bipartite …
Entanglement negativity of fermions: Monotonicity, separability criterion, and classification of few-mode states
H Shapourian, S Ryu - Physical Review A, 2019 - APS
We study quantum information aspects of the fermionic entanglement negativity recently
introduced [H. Shapourian, Phys. Rev. B 95, 165101 (2017) 10.1103/PhysRevB. 95.165101] …
introduced [H. Shapourian, Phys. Rev. B 95, 165101 (2017) 10.1103/PhysRevB. 95.165101] …
Universal thermal entanglement of multichannel Kondo effects
Quantum entanglement between an impurity and its environment is expected to be central in
quantum impurity problems. We develop a method to compute the entanglement in spin-1/2 …
quantum impurity problems. We develop a method to compute the entanglement in spin-1/2 …
Finite-temperature entanglement negativity of free fermions
H Shapourian, S Ryu - Journal of Statistical Mechanics: Theory …, 2019 - iopscience.iop.org
The entanglement entropy of free fermions with a Fermi surface is known to obey a
logarithmic scaling and violate the area law in all dimensions. Here, we would like to see …
logarithmic scaling and violate the area law in all dimensions. Here, we would like to see …
Singularity in entanglement negativity across finite-temperature phase transitions
Phase transitions at a finite (ie, nonzero) temperature are typically dominated by classical
correlations, in contrast to zero temperature transitions where quantum mechanics plays an …
correlations, in contrast to zero temperature transitions where quantum mechanics plays an …
Structure of quantum entanglement at a finite temperature critical point
We introduce a framework to distinguish long-range quantum entanglement from long-range
classical correlations close to a finite temperature critical point in a quantum system. In …
classical correlations close to a finite temperature critical point in a quantum system. In …
Numerical renormalization group method for entanglement negativity at finite temperature
We develop a numerical method to compute the negativity, an entanglement measure for
mixed states, between the impurity and the bath in quantum impurity systems at finite …
mixed states, between the impurity and the bath in quantum impurity systems at finite …
Symmetry-protected entanglement in random mixed states
Symmetry is an important property of quantum mechanical systems which may dramatically
influence their behavior in and out of equilibrium. In this paper, we study the effect of …
influence their behavior in and out of equilibrium. In this paper, we study the effect of …
Electron Transport in a Multiple Quantum Dot: Recent Progress
Y Chung, J Choi, HS Sim - Journal of the Korean Physical Society, 2018 - Springer
A multiple quantum dot provides an experimental tool for manipulating and detecting many-
body quantum states of electrons in a level of controlling parameters of the corresponding …
body quantum states of electrons in a level of controlling parameters of the corresponding …