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 …

[BOOK][B] The Jaynes–Cummings model and its descendants: modern research directions

J Larson, T Mavrogordatos - 2021 - iopscience.iop.org
The Jaynes–Cummings Model (JCM) has recently been receiving increased attention as
one of the simplest, yet intricately nonlinear, models of quantum physics. Emphasising the …

Entanglement devised barren plateau mitigation

TL Patti, K Najafi, X Gao, SF Yelin - Physical Review Research, 2021 - APS
Hybrid quantum-classical variational algorithms are one of the most propitious
implementations of quantum computing on near-term devices, offering classical machine …

Speed limits and locality in many-body quantum dynamics

CFA Chen, A Lucas, C Yin - Reports on Progress in Physics, 2023 - iopscience.iop.org
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 …

Krylov complexity in saddle-dominated scrambling

B Bhattacharjee, X Cao, P Nandy, T Pathak - Journal of High Energy …, 2022 - Springer
A bstract In semi-classical systems, the exponential growth of the out-of-time-order correlator
(OTOC) is believed to be the hallmark of quantum chaos. However, on several occasions, it …

Does scrambling equal chaos?

T Xu, T Scaffidi, X Cao - Physical review letters, 2020 - APS
Focusing on semiclassical systems, we show that the parametrically long exponential
growth of out-of-time order correlators (OTOCs), also known as scrambling, does not …

Barren plateaus preclude learning scramblers

Z Holmes, A Arrasmith, B Yan, PJ Coles, A Albrecht… - Physical Review Letters, 2021 - APS
Scrambling processes, which rapidly spread entanglement through many-body quantum
systems, are difficult to investigate using standard techniques, but are relevant to quantum …

[HTML][HTML] Out-of-equilibrium dynamics of quantum many-body systems with long-range interactions

N Defenu, A Lerose, S Pappalardi - Physics Reports, 2024 - Elsevier
Experimental progress in atomic, molecular, and optical platforms in the last decade has
stimulated strong and broad interest in the quantum coherent dynamics of many long-range …

Scrambling dynamics and out-of-time-ordered correlators in quantum many-body systems

S Xu, B Swingle - PRX quantum, 2024 - APS
This tutorial article introduces the physics of quantum information scrambling in quantum
many-body systems. The goals are to understand how to precisely quantify the spreading of …

Improving metrology with quantum scrambling

Z Li, S Colombo, C Shu, G Velez, S Pilatowsky-Cameo… - Science, 2023 - science.org
Quantum scrambling describes the spreading of information into many degrees of freedom
in quantum systems, such that the information is no longer accessible locally but becomes …