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We investigate the generation of entanglement through a quantum dot molecule under the influence of vibrational phonon modes in a bias voltage junction. The molecular quantum dot system is realized by coupled quantum dots inside a suspended…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Elaheh Afsaneh , Malek Bagheri Harouni

We investigate the entanglement dynamics of two two-level emitters (qubits) mediated by a semiinfinite, one-dimensional (1D) photonic waveguide. The coupling of each qubit to the waveguide is chiral, which depends on the propagation…

Quantum Physics · Physics 2020-03-23 Bin Zhang , Sujian You , Mei Lu

A system, comprised of a qubit pair coupled to a common cavity, is studied with the aim of establishing qubit entanglement. This study is the sequel of the paper Phys. Rev. A 111, 043705 (2025), where similar model was investigated for an…

Quantum Physics · Physics 2026-03-24 Amit Dey

We explore the role played by the intrinsic decoherence in superconducting charge qubits in the presence of a microwave field applied as a magnetic flux. We study how the delayed creation of entanglement, which is opposite to the sudden…

Quantum Physics · Physics 2015-05-13 M. Abdel-Aty , M. Everitt

In this work, we propose a scheme to design the time evolution of the entropy of entanglement between two qubits. It is shown an explicit accurate solution for the inverse problem of determining the time dependence of the coupling constant…

Quantum Physics · Physics 2011-03-15 J. F. Leandro , A. S. M. de Castro , P. P. Munhoz , F. L. Semião

We describe a protocol to entangle two qubits at a distance by using resonance fluorescence. The scheme makes use of the postselection of large and distinguishable fluorescence signals corresponding to entangled and unentangled qubit states…

Quantum Physics · Physics 2015-06-15 Ching-Kit Chan , L. J. Sham

Entanglement in a Gaussian two-mode system can be generated by local driving if additional non-local features are introduced to the dynamics. We demonstrate that weak to moderate ohmic friction arising from a dissipative environment can…

Quantum Physics · Physics 2015-10-09 Jürgen T. Stockburger , Rebecca Schmidt , Joachim Ankerhold

We examine the entanglement between two qubits, supposed to be remotely located and driven by independent quantized optical fields. No interaction is allowed between the qubits, but their degree of entanglement changes as a function of…

Quantum Physics · Physics 2015-05-13 Muhammed Yonac , Joseph H. Eberly

We examine the impact of time-dependent gate voltages on entanglement generation in two capacitively coupled charge qubits, with single-electron injection triggered on demand. The gate voltage modulates the tunnel coupling between the…

Quantum Physics · Physics 2025-12-16 E. M. Fernandes , L. Sanz , F. M. Souza

We investigate qubit-qubit entanglement mediated by plasmons supported by one-dimensional waveguides. We explore both the situation of spontaneous formation of entanglement from an unentangled state and the emergence of driven steady-state…

Mesoscale and Nanoscale Physics · Physics 2011-01-18 A. Gonzalez-Tudela , D. Martin-Cano , E. Moreno , L. Martin-Moreno , C. Tejedor , F. J. Garcia-Vidal

Entanglement between two quantum systems is a resource in quantum information, but dissipation usually destroys it. In this article we consider two qubits without direct interaction and we show that, even in cases where the open system…

Quantum Physics · Physics 2015-06-26 Alberto Barchielli , Matteo Gregoratti

We study the possibility of using guided photons to generate, control, and measure the entanglement of two qubits that is mediated by a one-dimensional waveguide. We show how entanglement can be generated both with single photon and with…

Quantum Physics · Physics 2014-05-01 C. Gonzalez-Ballestero , Esteban Moreno , F. J. Garcia-Vidal

We propose how to generate the entanglement of two long-lived phonon modes in a circuit quantum acoustodynamics system, which consists of a multi-mode high-frequency bulk acoustic wave resonator and a transmon-type superconducting qubit.…

Quantum Physics · Physics 2024-10-24 Mei-Rong Wei , Qi Guo , Gang Li , Tiancai Zhang

Quantum thermal machines can generate steady-state entanglement by harvesting spontaneous interactions with local environments. However, using minimal resources and control, the entanglement is typically very noisy. Here, we study…

Qubits based on the magnetic flux degree of freedom require a flux bias, whose stability and precision strongly affect the qubit performance, up to a point of forbidding the qubit operation. Moreover, in the perspective of multiqubit…

Superconductivity · Physics 2009-11-11 Maria Gabriella Castellano , Fabio Chiarello , Guido Torrioli , Pasquale Carelli

We study the entanglement of a pair of qubits resulting from their interaction with a bosonic system. Here we restrict our discussion to the case where the set of operators acting on different qubits commute. A special class of interactions…

Quantum Physics · Physics 2009-11-27 Andrzej Veitia

Motivated by the Bose et al.-Matletto-Vedral (BMV) proposal for detecting quantum superposition of spacetime geometries, we study a toy model of a quantum entanglement generation between two spins (qubits) mediated by a relativistic free…

Quantum Physics · Physics 2023-04-19 Yoshimasa Hidaka , Satoshi Iso , Kengo Shimada

We provide an analytical investigation of the entanglement dynamics for a system composed of an arbitrary number of qubits dissipating into a common environment. Specifically we consider initial states whose evolution remains confined on…

Quantum Physics · Physics 2013-04-08 Laleh Memarzadeh , Stefano Mancini

In this work we report on a new mechanism to generate dissipative steady state entanglement in two coupled qubits driven by strong periodic ac fields. We show that steady entanglement can be generated at one side of a multiphoton resonance…

Quantum Physics · Physics 2018-11-07 Ana Laura Gramajo , Daniel Dominguez , Maria Jose Sanchez

Entanglement generated by Ising model has been studied for several authors in order to understand the relation between it and magnetic properties of materials, principally using one or two dimensional models for two or more particles. In…

Quantum Physics · Physics 2008-10-01 Francisco Delgado