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We present a scheme to entangle two magnon modes in two macroscopic yttrium-iron-garnet spheres. The two spheres are placed inside two microwave cavities, which are driven by a two-mode squeezed microwave field. By using the linear…

Quantum Physics · Physics 2020-04-22 Mei Yu , Shi-Yao Zhu , Jie Li

We explore entanglement generation between multiple optically levitated nanospheres interacting with a common optical cavity via the Coherent Scattering optomechanical interaction. We derive the many-particle Hamiltonian governing the…

Quantum Physics · Physics 2021-12-07 Igor Brandão , Daniel Tandeitnik , Thiago Guerreiro

So far magnetic domain walls in one-dimensional structures have been described theoretically only in the cases of flat strips, or cylindrical structures with a compact cross-section, either square or disk. Here we describe an extended phase…

Mesoscale and Nanoscale Physics · Physics 2014-12-03 Ségolène Jamet , Nicolas Rougemaille , Jean-Christophe Toussaint , Olivier Fruchart

We in this paper study quantum correlations for two neutral spin-particles coupled with a single-mode optical cavity through the usual magnetic interaction. Two-spin entangled states for both antiparallel and parallel spin-polarizations are…

Quantum Physics · Physics 2017-08-02 Xue-Min Bai , Chun-Ping Gao , Jun-Qi Li , Ni Liu , J. -Q. Liang

In this article we use chiral domain walls to manipulate and trap magnetic skyrmion quasi-particles in chiral magnetic materials such as ultrathin Co/Pt films. The magnetic skyrmions can be orientated such that their interaction with domain…

Mesoscale and Nanoscale Physics · Physics 2025-02-14 Paul Leask

We investigate dynamical generation of macroscopic nonlocal entanglements between two remote massive magnon-superconducting-circuit hybrid systems. Two fiber-coupled microwave cavities are employed to serve as an interaction channel…

Quantum Physics · Physics 2021-02-23 Da-Wei Luo , Xiao-Feng Qian , Ting Yu

We present a study on how to realize the widely interested optomechanical entanglement at high temperature. Unlike the majority of the previous experimental and theoretical researches that consider the entanglement of a mechanical resonator…

Quantum Physics · Physics 2020-03-18 Qing Lin , Bing He , Liu Yang , Min Xiao

We show how to entangle two cavity-magnon polaritons (CMPs) formed by two strongly coupled microwave cavity and magnon modes. This is realized by introducing vibration phonons, via magnetostriction, into the system that are dispersively…

Quantum Physics · Physics 2025-04-03 Xuan Zuo , Zhi-Yuan Fan , Hang Qian , Rui-Chang Shen , Jie Li

We study theoretically the electronic structure of topological nodal-line semimetals. We show that, in the presence of a gap-opening spatially dependent mass term that forms a domain wall, an in-gap charged localized mode emerges at the…

Mesoscale and Nanoscale Physics · Physics 2020-06-16 Akihiko Sekine , Naoto Nagaosa

Coherent scattering of photons is a novel mechanism of optomechanical coupling for optically levitated nanoparticles promising strong, versatile interactions with light and between nanoparticles. We show that it allows efficient…

Quantum Physics · Physics 2020-12-23 Anil Kumar Chauhan , Ondřej Černotík , Radim Filip

We study the magnetic domain wall structure in magnetic bilayers (two ultrathin ferromagnetic layers separated by a non magnetic spacer) with perpendicular magnetization. Combining magnetic force and ballistic electron emission…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Amandine Bellec , Stanislas Rohart , Michel Labrune , Jacques Miltat , André Thiaville

Domain walls separating regions of AB and BA interlayer stacking in bilayer graphene have attracted attention as novel examples of structural solitons, topological electronic boundaries, and nanoscale plasmonic scatterers. We show that…

Mesoscale and Nanoscale Physics · Physics 2017-10-20 Bor-Yuan Jiang , Guang-Xin Ni , Zachariah Addison , Jing K. Shi , Xiaomeng Liu , Frank Zhao , P. Kim , E. J. Mele , D. N. Basov , M. M. Fogler

Optical nanocavities for coherent interfaces usually have their electric field maximum at the center point, which normally benefits interactions with small local quantum emitters. Here, we propose a partial thickness modulation on 2D slab…

Optics · Physics 2019-06-25 Chenjiang Qian , Xin Xie , Jingnan Yang , Xiulai Xu

It is well known that qubits immersed in a squeezed vacuum environment exhibit many exotic phenomena, including dissipative entanglement stabilization. Here, we show that these effects only require interference between excitation and decay…

Quantum Physics · Physics 2023-07-25 L. C. G. Govia , A. Lingenfelter , A. A. Clerk

We analyze a scheme for generating entanglement between two spinor Bose-Einstein condensates (BECs). The BECs are off-resonantly coupled to a common photon mode and are controlled by external lasers to induce a $ S^z S^z $ interaction,…

Quantum Physics · Physics 2015-06-23 Daniel Rosseau , Qianqian Ha , Tim Byrnes

We describe a scheme showing signatures of macroscopic optomechanical entanglement generated by radiation pressure in a cavity system with a massive movable mirror. The system we consider reveals genuine multipartite entanglement. We…

Quantum Physics · Physics 2009-11-13 M. Paternostro , D. Vitali , S. Gigan , M. S. Kim , C. Brukner , J. Eisert , M. Aspelmeyer

In this work we perform investigations of the competition between domain-wall pinning and attraction by anti-notches and finite device borders. The conditions for optimal geometries, which can attain a stable domain-wall pinning, are…

We present two novel schemes to generate photon polarization entanglement via single electron spins confined in charged quantum dots inside microcavities. One scheme is via entangled remote electron spins followed by negatively-charged…

Quantum Physics · Physics 2010-05-31 C. Y. Hu , W. J. Munro , J. G. Rarity

We propose to realize the two-mode continuous-variable entanglement of microwave photons in an electro-optic system, consisting of two superconducting microwave resonators and one or two optical cavities filled with certain electro-optic…

Quantum Physics · Physics 2017-11-02 Daoquan Zhu , Pengbo Li

We propose a scheme to control and enhance atomic Bloch oscillations via photon-mediated interactions in an optical lattice supported by a standing-wave cavity with incommensurate lattice and cavity wavelengths. Our scheme uses…

Quantum Physics · Physics 2024-02-14 Haoqing Zhang , Anjun Chu , Chengyi Luo , James K. Thompson , Ana Maria Rey