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Inspired by the discrete-variable pairwise entanglement, in this work, we in theory analyze the continuous-variable pairwise entanglement between microwave modes based on a hybrid optoelectromechanical system, where the multi-pair microwave…

Quantum Physics · Physics 2020-04-02 Qi-Zhi Cai , Jin-Kun Liao , Qiang Zhou

The radiation pressure of two detuned laser beams can create a stable trap for a suspended cavity mirror; here it is shown that such a configuration entangles the output light fields via interaction with the mirror. Intra-cavity, the…

Quantum Physics · Physics 2009-11-13 Christopher Wipf , Thomas Corbitt , Yanbei Chen , Nergis Mavalvala

We report on the controlled switching of domain wall (DW) magnetization in aligned stripe domain structures, stabilized in [Co (0.44 nm)/Pt (0.7 nm)]$_X$ ($X = 48$, 100, 150) multilayers with perpendicular magnetic anisotropy. The switching…

Nanoparticles trapped in optical tweezers emerged as an interesting platform for investigating fundamental effects in quantum physics. The ability to shape the optical trapping potential using spatial light modulation and quantum control of…

Quantum Physics · Physics 2022-06-16 Anil Kumar Chauhan , Ondřej Černotík , Radim Filip

We present scheme for generation of entanglement between different modes of radiation field inside high-Q superconducting cavities. Our scheme is based on the interaction of a three-level atom with the cavity field for pre-calculated…

Quantum Physics · Physics 2009-11-07 Manzoor Ikram , Farhan Saif

The outstanding progress in nanostructure fabrication and cooling technologies allows what was unthinkable a few decades ago: bringing single-mode mechanical vibrations to the quantum regime. The coupling between photon and phonon…

Quantum Physics · Physics 2015-10-14 H. Flayac , M. Minkov , V. Savona

We present a scheme to entangle two magnon modes in a cavity magnomechanical system. The two magnon modes are embodied by collective motions of a large number of spins in two macroscopic ferrimagnets, and couple to a single microwave cavity…

Quantum Physics · Physics 2022-03-14 Jie Li , Shi-Yao Zhu

The magnetostatic interaction between magnetic domain walls (DWs) in adjacent nanotracks has been shown to produce strong inter-DW coupling and mutual pinning. In this paper, we have used electrical measurements of adjacent spin-valve…

Materials Science · Physics 2013-04-04 J. Sampaio , L. O'Brien , D. Petit , D. E. Read , E. R. Lewis , H. T. Zeng , L. Thevenard , S. Cardoso , R. P. Cowburn

We present a new technique for stabilizing and monitoring Bloch oscillations of ultracold atoms in an optical lattice under the action of a constant external force. In the proposed scheme, the atoms also interact with a unidirectionally…

Quantum Gases · Physics 2015-03-31 M. Samoylova , N. Piovella , D. Hunter , G. R. M. Robb , R. Bachelard , Ph. W. Courteille

We propose a scheme able to entangle at the steady state a nanomechanical resonator with a microwave cavity mode of a driven superconducting coplanar waveguide. The nanomechanical resonator is capacitively coupled with the central conductor…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 D. Vitali , P. Tombesi , M. J. Woolley , A. C. Doherty , G. J. Milburn

We propose a potential scheme to generate entangled photons by manipulating trapped ions embedded in two-mode microcavities, respectively, assisted by a magnetic field gradient. By means of the spin-spin coupling due to the magnetic field…

Quantum Physics · Physics 2016-09-08 M. Feng , Z. J. Deng , K. L. Gao

A practical scheme for entanglement creation between distant atoms located inside a single-mode optical cavity is discussed. We show that the degree of entanglement and the time it takes for the entanglement to reach its optimum value is a…

Quantum Physics · Physics 2015-05-13 S. Natali , Z. Ficek

We study theoretically the entanglement of two-photon states in the ground state of the intersubband cavity system, the so-called polariton vacuum. The system consists of a sequence of doped quantum wells located inside a microcavity and…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Adrian Auer , Guido Burkard

We formulate a theory for entangled imaging, which includes also the case of a large number of photons in the two entangled beams. We show that the results for imaging and for the wave-particle duality features, which have been demonstrated…

Quantum Physics · Physics 2009-11-07 A. Gatti , E. Brambilla , L. A. Lugiato

We predict a spatially localized magnetic domain wall oscillator upon the application of an external magnetic field and a DC electric current. The amplitude and frequency of the oscillator can be controlled by the field and/or the current.…

Materials Science · Physics 2007-05-23 J. He , S. Zhang

Optomechanical generation of entangled optical beams is usually hindered by thermal noise. We present a theoretical study of low frequency entanglement generation between two optical harmonics emitted from a cavity optomechanical system…

Quantum Physics · Physics 2025-12-03 Alexandr V. Karpenko , Andrey B. Matsko , Sergey P. Vyatchanin

We show that nano-scale variations of the order parameter in strongly-correlated systems can induce local spatial regions such as domain walls that exhibit electronic properties representative of a different, but nearby, part of the phase…

Strongly Correlated Electrons · Physics 2009-11-10 M. S. Rzchowski , Robert Joynt

We investigate dynamics of an optomechanical system under the Non-Markovian environment. In the weak optomechanical single-photon coupling regime, we provide an analytical approach fully taking into account the non-Markovian memory effects.…

Quantum Physics · Physics 2016-04-12 Jiong Cheng , Wen-Zhao Zhang , Ling Zhou , Weiping Zhang

The interaction between a magnetic thin film and a superconductor is studied. In particular, the equilibrium width of a Bloch wall is estimated with and without the superconductor. It is shown that the Bloch wall experiences a small…

Superconductivity · Physics 2009-11-07 L. E. Helseth , P. E. Goa , H. Hauglin , M. Baziljevich , T. H. Johansen

Interactions between pairs of magnetic domain walls (DW) and pinning by radial constrictions were studied in cylindrical nanowires with surface roughness. It was found that a radial constriction creates a symmetric pinning potential well,…

Materials Science · Physics 2015-06-22 Voicu O. Dolocan