Learning temporal quantum tomography

QH Tran, K Nakajima - Physical review letters, 2021 - APS
Quantifying and verifying the control level in preparing a quantum state are central
challenges in building quantum devices. The quantum state is characterized from …

Typical correlation length of sequentially generated tensor network states

D Haag, F Baccari, G Styliaris - PRX Quantum, 2023 - APS
The complexity of quantum many-body systems is manifested in the vast diversity of their
correlations, making it challenging to distinguish the generic from the atypical features. This …

Emergent statistical mechanics from properties of disordered random matrix product states

J Haferkamp, C Bertoni, I Roth, J Eisert - PRX Quantum, 2021 - APS
The study of generic properties of quantum states has led to an abundance of insightful
results. A meaningful set of states that can be efficiently prepared in experiments are ground …

Limit theorems for quantum trajectories

T Benoist, JL Fatras, C Pellegrini - Stochastic Processes and their …, 2023 - Elsevier
Quantum trajectories are Markov processes modeling the evolution of a quantum system
subjected to repeated independent measurements. Under purification and irreducibility …

Law of large numbers and central limit theorem for ergodic quantum processes

L Pathirana, J Schenker - Journal of Mathematical Physics, 2023 - pubs.aip.org
ABSTRACT A discrete quantum process is represented by a sequence of quantum
operations, which are completely positive maps that are not necessarily trace preserving …

Ergodic quantum processes on finite von Neumann algebras

B Nelson, EB Roon - Journal of Functional Analysis, 2024 - Elsevier
Let (M, τ) be a tracial von Neumann algebra with a separable predual and let (Ω, P) be a
probability space. A bounded positive random linear operator on L 1 (M, τ) is a map γ: Ω× L …

Theory of ergodic quantum processes

R Movassagh, J Schenker - Physical Review X, 2021 - APS
The generic behavior of quantum systems has long been of theoretical and practical interest.
Any quantum process is represented by a sequence of quantum channels. We consider …

Ergodic and mixing quantum channels: From two-qubit to many-body quantum systems

S Aravinda, S Banerjee, R Modak - Physical Review A, 2024 - APS
The development of classical ergodic theory has had a significant impact on the areas of
mathematics, physics, and, in general, applied sciences. The quantum ergodic theory of …

Bounds on Lyapunov exponents via entropy accumulation

D Sutter, O Fawzi, R Renner - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Lyapunov exponents describe the asymptotic behavior of the singular values of large
products of random matrices. A direct computation of these exponents is however often …

Correlations in Disordered Solvable Tensor Network States

D Haag, RM Milbradt, CB Mendl - arXiv preprint arXiv:2309.04776, 2023 - arxiv.org
Solvable matrix product and projected entangled pair states evolved by dual and ternary-
unitary quantum circuits have analytically accessible correlation functions. Here, we …