Quantum many-body scars and weak breaking of ergodicity

M Serbyn, DA Abanin, Z Papić - Nature Physics, 2021 - nature.com
Thermalization is the inevitable fate of many complex quantum systems, whose dynamics
allow them to fully explore the vast configuration space regardless of the initial state—the …

Standard model physics and the digital quantum revolution: thoughts about the interface

N Klco, A Roggero, MJ Savage - Reports on Progress in Physics, 2022 - iopscience.iop.org
Advances in isolating, controlling and entangling quantum systems are transforming what
was once a curious feature of quantum mechanics into a vehicle for disruptive scientific and …

Scalable circuits for preparing ground states on digital quantum computers: The Schwinger model vacuum on 100 qubits

RC Farrell, M Illa, AN Ciavarella, MJ Savage - PRX Quantum, 2024 - APS
The vacuum of the lattice Schwinger model is prepared on up to 100 qubits of IBM's Eagle-
processor quantum computers. A new algorithm to prepare the ground state of a gapped …

Quantum simulations of hadron dynamics in the Schwinger model using 112 qubits

RC Farrell, M Illa, AN Ciavarella, MJ Savage - Physical Review D, 2024 - APS
Hadron wave packets are prepared and time evolved in the Schwinger model using 112
qubits of IBM's 133-qubit Heron quantum computer ibm_torino. The initialization of the …

Preparations for quantum simulations of quantum chromodynamics in dimensions. I. Axial gauge

RC Farrell, IA Chernyshev, SJM Powell, NA Zemlevskiy… - Physical Review D, 2023 - APS
Tools necessary for quantum simulations of 1+ 1 dimensional quantum chromodynamics are
developed. When formulated in axial gauge and with two flavors of quarks, this system …

Preparations for quantum simulations of quantum chromodynamics in dimensions. II. Single-baryon -decay in real time

RC Farrell, IA Chernyshev, SJM Powell, NA Zemlevskiy… - Physical Review D, 2023 - APS
A framework for quantum simulations of real-time weak decays of hadrons and nuclei in a
two-flavor lattice theory in one spatial dimension is presented. A single generation of the …

Probing quantum scars and weak ergodicity breaking through quantum complexity

B Bhattacharjee, S Sur, P Nandy - Physical Review B, 2022 - APS
Scar states are special many-body eigenstates that weakly violate the eigenstate
thermalization hypothesis (ETH). Using the explicit formalism of the Lanczos algorithm …

Real-time nonperturbative dynamics of jet production in Schwinger model: Quantum entanglement and vacuum modification

A Florio, D Frenklakh, K Ikeda, D Kharzeev… - Physical Review Letters, 2023 - APS
The production of jets should allow testing the real-time response of the QCD vacuum
disturbed by the propagation of high-momentum color charges. Addressing this problem …

Unified theory of local quantum many-body dynamics: Eigenoperator thermalization theorems

B Buča - Physical Review X, 2023 - APS
Explaining quantum many-body dynamics is a long-held goal of physics. A rigorous operator
algebraic theory of dynamics in locally interacting systems in any dimension is provided …

Quantum simulation of nonequilibrium dynamics and thermalization in the Schwinger model

WA de Jong, K Lee, J Mulligan, M Płoskoń, F Ringer… - Physical Review D, 2022 - APS
We present simulations of nonequilibrium dynamics of quantum field theories on digital
quantum computers. As a representative example, we consider the Schwinger model, a (1+ …