Quantum entanglement
All our former experience with application of quantum theory seems to say that what is
predicted by quantum formalism must occur in the laboratory. But the essence of quantum …
predicted by quantum formalism must occur in the laboratory. But the essence of quantum …
Connecting ansatz expressibility to gradient magnitudes and barren plateaus
Parametrized quantum circuits serve as ansatze for solving variational problems and
provide a flexible paradigm for the programming of near-term quantum computers. Ideally …
provide a flexible paradigm for the programming of near-term quantum computers. Ideally …
Operator spreading in random unitary circuits
Random quantum circuits yield minimally structured models for chaotic quantum dynamics,
which are able to capture, for example, universal properties of entanglement growth. We …
which are able to capture, for example, universal properties of entanglement growth. We …
[BOOK][B] Geometry of quantum states: an introduction to quantum entanglement
I Bengtsson, K Życzkowski - 2017 - books.google.com
Quantum information theory is a branch of science at the frontier of physics, mathematics,
and information science, and offers a variety of solutions that are impossible using classical …
and information science, and offers a variety of solutions that are impossible using classical …
Exponentially tighter bounds on limitations of quantum error mitigation
Quantum error mitigation has been proposed as a means to combat unwanted and
unavoidable errors in near-term quantum computing without the heavy resource overheads …
unavoidable errors in near-term quantum computing without the heavy resource overheads …
Quantum Zeno effect and the many-body entanglement transition
We introduce and explore a one-dimensional “hybrid” quantum circuit model consisting of
both unitary gates and projective measurements. While the unitary gates are drawn from a …
both unitary gates and projective measurements. While the unitary gates are drawn from a …
Dynamical purification phase transition induced by quantum measurements
MJ Gullans, DA Huse - Physical Review X, 2020 - APS
Continuously monitoring the environment of a quantum many-body system reduces the
entropy of (purifies) the reduced density matrix of the system, conditional on the outcomes of …
entropy of (purifies) the reduced density matrix of the system, conditional on the outcomes of …
Measurement-driven entanglement transition in hybrid quantum circuits
In this paper we continue to explore “hybrid” quantum circuit models in one-dimension with
both unitary and measurement gates, focusing on the entanglement properties of wave …
both unitary and measurement gates, focusing on the entanglement properties of wave …
Quantum error correction in scrambling dynamics and measurement-induced phase transition
We analyze the dynamics of entanglement entropy in a generic quantum many-body open
system from the perspective of quantum information and error corrections. We introduce a …
system from the perspective of quantum information and error corrections. We introduce a …
Measuring entanglement entropy in a quantum many-body system
Entanglement is one of the most intriguing features of quantum mechanics. It describes non-
local correlations between quantum objects, and is at the heart of quantum information …
local correlations between quantum objects, and is at the heart of quantum information …