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Mechanical couplings such as axial-shear and axial-bending have great potential in the design of active mechanical metamaterials with directional control of input and output loads in sensors and actuators. However, the current ad hoc design…

Materials Science · Physics 2022-08-17 Zhiming Cui , Jaehyung Ju

In recent decades, microelectromechanical systems (MEMS)-based gyroscopes have been employed to meet positioning and navigation demands of a plethora of commercially available devices. Most of such gyroscopes rely on electrostatic actuators…

We present a nonlinear multimode superconducting electroacoustic system, where the interplay between superconducting kinetic inductance and piezoelectric strong coupling establishes an effective Kerr nonlinearity among multiple acoustic…

Applied Physics · Physics 2022-09-14 Xu Han , Chang-Ling Zou , Wei Fu , Mingrui Xu , Yuntao Xu , Hong X. Tang

Experiments studying vibrational effects on electronic transport through single molecules have observed several seemingly inconsistent behaviors, ranging from up to 30 harmonics of a vibrational frequency in one experiment, to an absence of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Vivek Aji , J. E. Moore , C. M. Varma

We investigate numerically the homogenized permittivities of composites made of low index dielectric inclusions in a ferroelectric matrix under a static electric field. A refined model is used to take into account the coupling between the…

Applied Physics · Physics 2019-09-04 Benjamin Vial , Yang Hao

We investigate the PDE system resulting from even electromechanical coupling in elastomers. Assuming a periodic microstructure and a periodic distribution of micro-charges of a prescribed order, we derive the homogenized system. The results…

Analysis of PDEs · Mathematics 2021-02-16 Gilles A. Francfort , Antoine Gloria , Oscar Lopez-Pamies

Magnetoelectric coupling terms are derived in piezoelectric/magnetostrictive (multiferroic) thin film heterostructures using Landau-Ginzburg free energy expansions in terms of strain and by considering strain boundary conditions between the…

Materials Science · Physics 2011-06-30 K. L. Livesey

Hybrid-excited electrical machines aim to combine the advantages of permanent magnet machines (high efficiency and torque density) with those of separately excited machines (ease of flux-weakening at high speed). These machines are of…

Optimization and Control · Mathematics 2024-04-30 Théodore Cherrière

The fields of cavity quantum electrodynamics and magnetism have recently merged into \textit{`cavity spintronics'}, investigating a quasiparticle that emerges from the strong coupling between standing electromagnetic waves confined in a…

A strong coupling between electric polarization and elastic deformation in solids is an important factor in creating useful electromechanical nanodevices. Such coupling is typically allowed in insulating materials with inversion symmetry…

Materials Science · Physics 2024-10-30 Hidefumi Takahashi , Yusuke Kurosaka , Kenta Kimura , Akitoshi Nakano , Shintaro Ishiwata

We present a detailed study of the conduction properties of a molecular wire where hopping processes between electronic sites are coupled to a vibrational mode of the molecule. The latter is sandwiched between two electronic leads at finite…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Simon Pigeon , Lorenzo Fusco , Gabriele De Chiara , Mauro Paternostro

Compact, low-power analog RF components are essential for next-generation microwave electronics and wireless systems. We demonstrate an all-electric integrated piezo-magnonic microelectromechanical system that enables efficient voltage…

Applied Physics · Physics 2026-03-31 M. Cocconcelli , A. Angotti , P. Florio , N. Pellizzi , F. Maspero , R. Bertacco

Piezoelectric elastic metamaterials offer the ability to overcome the fixed, narrow bandwidth characteristics of passive elastic metamaterials. Interesting ultrasonic band gaps exist in piezoelectric plate metamaterials with periodic…

Applied Physics · Physics 2022-07-19 David R. Schipf , Matthew D. Guild , Caleb F. Sieck

We describe a simple yet rigorous theoretical model capable of analytical estimation of plasmonic field enhancement in complex metal structures. We show that one can treat the complex structures as coupled multi-pole modes with highest…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Gregory Sun , Jacob Khurgin , Alexander M. Bratkovsky

The periodic Anderson impurity model on the Lieb lattice is studied by the slave-boson mean-field approximation in the strong interaction limit. The electron structure of conduction electrons on the Lieb lattice features both the band…

Strongly Correlated Electrons · Physics 2018-12-07 Duong-Bo Nguyen , Thanh-Mai Thi Tran , Thuy Thi Nguyen , Minh-Tien Tran

Transition metal oxides are well known for their complex magnetic and electrical properties. When brought together in heterostructure geometries, they show particular promise for spintronics and colossal magnetoresistance applications. In…

Strongly Correlated Electrons · Physics 2017-11-15 Ching-Hao Chang , Sujit Das , Sanjeev Kumar , R. Ganesh

We investigate theoretically the magnetic dynamics in a ferroelectric/ferromagnetic heterostructure coupled via strain-mediated magnetoelectric interaction. We predict an electric field-induced magnetic switching in the plane perpendicular…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Chenglong Jia , Alexander Sukhov , Paul P. Horley , Jamal Berakdar

Active nematics are an important new paradigm in soft condensed matter systems. They consist of rod-like components with an internal driving force pushing them out of equilibrium. The resulting fluid motion exhibits chaotic advection, in…

The oscillation periods of the interlayer exchange coupling are investigated when two magnetic layers are separated by a metallic superlattice of two distinct non-magnetic materials. In spite of the conventional behaviour of the coupling as…

Condensed Matter · Physics 2009-10-30 M. S. Ferreira

Acoustic bianisotropy, also known as the Willis parameter, expands the field of acoustics by providing nonconventional couplings between momentum and strain in constitutive relations. Sharing the common ground with electromagnetics, the…

Applied Physics · Physics 2020-08-25 Choonlae Cho , Xinhua Wen , Namkyoo Park , Jensen Li