29–31 Oct 2024
Padova
Europe/Rome timezone

Entanglement in finite-temperature Rydberg atom arrays

31 Oct 2024, 12:40
20m
Sala Elettra (Palazzo della Salute)

Sala Elettra

Palazzo della Salute

Via San Francesco, 90 - Padova

Speaker

Nora Reinić (Istituto Nazionale di Fisica Nucleare)

Description

Tensor network methods are a family of numerical techniques that efficiently compress the information of quantum many-body systems while accurately capturing their important physical properties. Here, we present a tensor-network-based toolbox developed for constructing the quantum many-body states at thermal equilibrium. Using this framework, we probe classical correlations as well as entanglement monotones of a Rydberg atom array - a promising quantum simulation platform. By examining the entanglement of formation and entanglement negativity of a half-system bipartition, we numerically confirm that a conformal scaling law of entanglement extends from the zero-temperature critical points into the low-temperature regime.

Sessione Simulazione

Primary authors

Daniel Jaschke (Istituto Nazionale di Fisica Nucleare) Darvin Wanisch (University of Padova, INFN) Nora Reinić (Istituto Nazionale di Fisica Nucleare) Pietro Silvi (Istituto Nazionale di Fisica Nucleare) Simone Montangero (Istituto Nazionale di Fisica Nucleare)

Presentation materials