activity
20202026
collaborators

5 papers

quant-ph2026

On Non-Existence of Stabilizer Absolutely Maximally Entangled States in Even Local Dimensions

Jakub Wójcik, Owidiusz Makuta, Wojciech Bruzda +1

We demonstrate that absolutely maximally entangled (AME) states consisting of qudits with , each of even local dimension, cannot be realized as graph stat…

quant-ph2026

Stoquastic permutationally invariant Bell operators

Jan Li, Owidiusz Makuta, Evert van Nieuwenburg +1

As Hermitian operators, many-body Bell operators can naturally be identified as many-body Hamiltonians. An important subclass of such Hamiltonians is the stoquastic class, characte…

quant-ph2025

Tailoring Bell inequalities to the qudit toric code and self testing

Eloïc Vallée, Owidiusz Makuta, Patrick Emonts +2

Bell nonlocality provides a robust scalable route to the efficient certification of quantum states. Here, we introduce a general framework for constructing Bell inequalities tailor…

quant-ph2025

Entanglement witnesses for stabilizer states and subspaces beyond qubits

Jakub Szczepaniak, Owidiusz Makuta, Remigiusz Augusiak

Genuine multipartite entanglement is arguably the most valuable form of entanglement in the multipartite case, with applications, for instance, in quantum metrology. In order to de…

quant-ph2020

Self-testing maximally-dimensional genuinely entangled subspaces within the stabilizer formalism

Owidiusz Makuta, Remigiusz Augusiak

Self-testing was originally introduced as a device-independent method of certification of entangled quantum states and local measurements performed on them. Recently, in [F. Baccar…