Quantum many-body simulations on digital quantum computers: State-of-the-art and future challenges
B Fauseweh - Nature Communications, 2024 - nature.com
Simulating quantum many-body systems is a key application for emerging quantum
processors. While analog quantum simulation has already demonstrated quantum …
processors. While analog quantum simulation has already demonstrated quantum …
Speed limits and locality in many-body quantum dynamics
We review the mathematical speed limits on quantum information processing in many-body
systems. After the proof of the Lieb–Robinson Theorem in 1972, the past two decades have …
systems. After the proof of the Lieb–Robinson Theorem in 1972, the past two decades have …
Midcircuit Operations Using the omg Architecture in Neutral Atom Arrays
JW Lis, A Senoo, WF McGrew, F Rönchen, A Jenkins… - Physical Review X, 2023 - APS
Midcircuit operations, such as qubit state measurement or reset, are central to many tasks in
quantum information science, including quantum computing, entanglement generation, and …
quantum information science, including quantum computing, entanglement generation, and …
Topological order from measurements and feed-forward on a trapped ion quantum computer
Quantum systems evolve in time in one of two ways: through the Schrödinger equation or
wavefunction collapse. So far, deterministic control of quantum many-body systems in the …
wavefunction collapse. So far, deterministic control of quantum many-body systems in the …
Symmetry restoration and quantum Mpemba effect in symmetric random circuits
Entanglement asymmetry, which serves as a diagnostic tool for symmetry breaking and a
proxy for thermalization, has recently been proposed and studied in the context of symmetry …
proxy for thermalization, has recently been proposed and studied in the context of symmetry …
Measurement-induced entanglement and teleportation on a noisy quantum processor
Nature, 2023 - nature.com
Measurement has a special role in quantum theory: by collapsing the wavefunction, it can
enable phenomena such as teleportation and thereby alter the 'arrow of time'that constrains …
enable phenomena such as teleportation and thereby alter the 'arrow of time'that constrains …
Introduction to Haar Measure Tools in Quantum Information: A Beginner's Tutorial
AA Mele - Quantum, 2024 - quantum-journal.org
The Haar measure plays a vital role in quantum information, but its study often requires a
deep understanding of representation theory, posing a challenge for beginners. This tutorial …
deep understanding of representation theory, posing a challenge for beginners. This tutorial …
Maximum Entropy Principle in Deep Thermalization and in Hilbert-Space Ergodicity
We report universal statistical properties displayed by ensembles of pure states that
naturally emerge in quantum many-body systems. Specifically, two classes of state …
naturally emerge in quantum many-body systems. Specifically, two classes of state …
Probing postmeasurement entanglement without postselection
We study the problem of observing quantum collective phenomena emerging from large
numbers of measurements. These phenomena are difficult to observe in conventional …
numbers of measurements. These phenomena are difficult to observe in conventional …
Theory of free fermions under random projective measurements
We develop an analytical approach to the study of one-dimensional free fermions subject to
random projective measurements of local site occupation numbers, based on the Keldysh …
random projective measurements of local site occupation numbers, based on the Keldysh …