activity
20222026
most citedIntroduction to quantum entanglement in many-body systems

7 citations · 15 across the 5 of their papers we have counts for

collaborators

6 papers

math-ph2026

Reachable sets under Kolmogorov dynamics in the probability simplex

Alfonso Fernández de Bobadilla, Mykhailo Hontarenko, Guillem Müller-Rigat +1

The finite-time reachability problem - whether two probability vectors can be transformed in a time t through a generator from a given set - is a key question in Markovian dynamics…

quant-ph2026

Bounding the entanglement of a state from its spectrum

Jofre Abellanet-Vidal, Guillem Müller-Rigat, Albert Rico +1

We introduce a framework to upper bound the entanglement content of a bipartite quantum state from its spectrum alone. Using linear maps and their inverses, we derive rigorous cons…

quant-ph2025

Many-body -local ground states as probes for unitary quantum metrology

Majid Hassani, Mengyao Hu, Guillem Müller-Rigat +2

Multipartite quantum states saturating the Heisenberg limit of sensitivity typically require full-body correlators to be prepared. On the other hand, experimentally practical Hamil…

quant-ph2024★ 7 cited

Introduction to quantum entanglement in many-body systems

Anubhav Kumar Srivastava, Guillem Müller-Rigat, Maciej Lewenstein +1

The quantum mechanics formalism introduced new revolutionary concepts challenging our everyday perceptions. Arguably, quantum entanglement, which explains correlations that cannot…

quant-ph2022★ 4 cited

Linear maps as sufficient criteria for entanglement depth and compatibility in many-body systems

Maciej Lewenstein, Guillem Müller-Rigat, Jordi Tura +1

Physical transformations are described by linear maps that are completely positive and trace preserving (CPTP). However, maps that are positive (P) but not completely positive (CP)…

cond-mat.quant-gas2022★ 4 cited

Probing quantum entanglement from magnetic-sublevels populations: beyond spin squeezing inequalities

Guillem Müller-Rigat, Maciej Lewenstein, Irénée Frérot

Spin squeezing inequalities (SSI) represent a major tool to probe quantum entanglement among a collection of few-level atoms, and are based on collective spin measurements and thei…