Quantum entanglement in condensed matter systems
N Laflorencie - Physics Reports, 2016 - Elsevier
This review focuses on the field of quantum entanglement applied to condensed matter
physics systems with strong correlations, a domain which has rapidly grown over the last …
physics systems with strong correlations, a domain which has rapidly grown over the last …
Variational quantum state eigensolver
Extracting eigenvalues and eigenvectors of exponentially large matrices will be an important
application of near-term quantum computers. The variational quantum eigensolver (VQE) …
application of near-term quantum computers. The variational quantum eigensolver (VQE) …
How universal is the entanglement spectrum?
A Chandran, V Khemani, SL Sondhi - Physical review letters, 2014 - APS
It is now commonly believed that the ground state entanglement spectrum (ES) exhibits
universal features characteristic of a given phase. In this Letter, we show that this belief is …
universal features characteristic of a given phase. In this Letter, we show that this belief is …
Dynamics of entanglement entropy and entanglement spectrum crossing a quantum phase transition
We study the time evolution of entanglement entropy and entanglement spectrum in a finite-
size system which crosses a quantum phase transition at different speeds. We focus on the …
size system which crosses a quantum phase transition at different speeds. We focus on the …
Majorana wave-function oscillations, fermion parity switches, and disorder in Kitaev chains
SS Hegde, S Vishveshwara - Physical Review B, 2016 - APS
We study the decay and oscillations of Majorana fermion wave functions and ground-state
(GS) fermion parity in one-dimensional topological superconducting lattice systems. Using a …
(GS) fermion parity in one-dimensional topological superconducting lattice systems. Using a …
Long-range entanglement and topological excitations
Topological order comes in different forms, and its classification and detection is an
important field of modern research. In this work, we show that the Disconnected …
important field of modern research. In this work, we show that the Disconnected …
Unifying approach to the quantification of bipartite correlations by Bures distance
TR Bromley, M Cianciaruso, RL Franco… - Journal of Physics A …, 2014 - iopscience.iop.org
The notion of distance defined on the set of states of a composite quantum system can be
used to quantify total, quantum and classical correlations in a unifying way. We provide new …
used to quantify total, quantum and classical correlations in a unifying way. We provide new …
Real-space circuit complexity as a probe of phase diagrams
NC Jayarama, V Svensson - Physical Review B, 2023 - APS
Circuit complexity has been used as a tool to study various properties in condensed matter
systems, in particular as a way to probe the phase diagram. However, compared with …
systems, in particular as a way to probe the phase diagram. However, compared with …
Genuine multipartite entanglement in the model
SM Giampaolo, BC Hiesmayr - Physical Review A—Atomic, Molecular, and …, 2013 - APS
We analyze the XY model characterized by an anisotropy γ in an external magnetic field, h,
with respect to its genuine multipartite entanglement content (in the thermodynamic and …
with respect to its genuine multipartite entanglement content (in the thermodynamic and …
Dynamics of the entanglement spectrum in spin chains
G Torlai, L Tagliacozzo… - Journal of Statistical …, 2014 - iopscience.iop.org
We study the dynamics of the entanglement spectrum, that is the time evolution of the
eigenvalues of the reduced density matrices after a bipartition of a one-dimensional spin …
eigenvalues of the reduced density matrices after a bipartition of a one-dimensional spin …