Accelerating many-body entanglement generation by dipolar interactions in the Bose-Hubbard model

M Dziurawiec, T Hernández Yanes, M Płodzień… - Physical Review A, 2023 - APS
The spin-squeezing protocols allow the dynamical generation of massively correlated
quantum many-body states, which can be utilized in entanglement-enhanced metrology and …

Exceptional Points from the Hamiltonian of a hybrid physical system: Squeezing and anti-Squeezing

R Ramírez, M Reboiro, D Tielas - The European Physical Journal D, 2020 - Springer
We study the appearance of Exceptional Points in a hybrid system composed of a
superconducting flux-qubit and an ensemble of nitrogen-vacancy colour centres in diamond …

Use of discrete Wigner functions in the study of decoherence of a system of superconducting flux-qubits

M Reboiro, O Civitarese, D Tielas - Physica Scripta, 2015 - iopscience.iop.org
The persistence of coherence of a system of superconducting flux-qubits, in the presence of
an ensemble of electrons, is analysed. The time evolution of the system is solved exactly …

Use of discrete Wigner functions in the study of a hybrid dissipative system

M Reboiro, O Civitarese, R Ramirez, D Tielas - Physica Scripta, 2017 - iopscience.iop.org
The persistence of coherence in a hybrid dissipative system, which is composed of
superconducting flux-qubits (SFQs) and an electron ensemble, is analyzed. Both the …

Study of decoherence in a system of superconducting flux-qubits interacting with an ensemble of electrons

M Reboiro, O Civitarese, R Ramirez - Annals of Physics, 2017 - Elsevier
The degree of coherence in a hybrid system composed of superconducting flux-qubits and
an electron ensemble is analysed. Both, the interactions among the electrons and among …

Spin observables in an atomic CQE system

O Civitarese, M Reboiro, D Tielas - Journal of Physics B: Atomic …, 2013 - iopscience.iop.org
A cavity quantum electrodynamical Hamiltonian is solved to study spin observables, such as
the orientation and fluctuations of the total spin and entropy, in a system of N two-level atoms …

A conjecture on the use of quantum algebras in the treatment of discrete systems

O Civitarese, M Reboiro - Physics Letters A, 2010 - Elsevier
The interactions between atomic spin-states, and between them and an external radiation
field, can be described in terms of quantum algebras by a trade-off of bosonic and fermionic …

Spin observables in an atomic CQE system

DA Tielas, EO Civitarese, M Reboiro - 2013 - ri.conicet.gov.ar
A cavity quantum electrodynamical Hamiltonian is solved to study spin observables, such as
the orientation and fluctuations of the total spin and entropy, in a system of N two-level atoms …