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We present an experimental and theoretical study of the magnetic field dependence of the mode frequency of thermally excited spin waves in rectangular shaped nanopillars of lateral sizes 60x100, 75x150, and 105x190 nm2, patterned from…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. Helmer , S. Cornelissen , T. Devolder , J. -V. Kim , W. van Roy , L. Lagae , C. Chappert

We propose a novel type of optomechanical coupling which enables a tripartite interaction between a quantum emitter, an optical mode and a macroscopic mechanical oscillator. The interaction uses a mechanism we term mode field coupling:…

Quantum Physics · Physics 2017-04-05 Michele Cotrufo , Andrea Fiore , Ewold Verhagen

Antenna technology provides the crucial interface between electronic devices and electromagnetic waves required for wireless communications. This technology has operated under largely the same general principles for over a century,…

Applied Physics · Physics 2020-01-23 Kevin Quy Tanh Luong , Wei Gu , Foad Fereidoony , Lap Yeung , Zhi Yao , Yuanxun Ethan Wang

We study the hybrid excitations due to the coupling between surface optical phonons of a polar insulator substrate and plasmons in the valley-spin-polarized metal phase of silicene under an exchange field. We perform the calculations within…

Mesoscale and Nanoscale Physics · Physics 2018-11-30 M. Mirzaei , T. Vazifehshenas , T. Salavati-fard , M. Farmanbar , B. Tanatar

The capability of magnons to hybridize and strongly couple with diverse excitations offers a promising avenue for realizing and controlling emergent properties that hold significant potential for applications in devices, circuits, and…

Materials Science · Physics 2024-02-22 D. -Q. To , A. Rai , J. M. O. Zide , S. Law , J. Q. Xiao , M. B. Jungfleisch , M. F. Doty

Motivated by the observation of two distinct superconducting phases in the moir\'eless ABC-stacked rhombohedral trilayer graphene, we investigate the electron-acoustic-phonon coupling as a possible pairing mechanism. We predict the…

Superconductivity · Physics 2021-10-26 Yang-Zhi Chou , Fengcheng Wu , Jay D. Sau , Sankar Das Sarma

Band calculations on HgBa$_2$CuO$_4$ and La$_{(2-x)}$Sr$_x$CuO$_4$ with phonon and spin-waves within the CuO planes show that partial gaps are created at various energies depending on wavelengths. Spin and phonon gaps appear at different…

Superconductivity · Physics 2009-11-11 T. Jarlborg

By embedding four-rod resonators inside double-split ring resonators superlattice, a planar composite metamaterial possessing tripod plasmonic resonances is fabricated. Double Fano resonances are observed where a common subradiant driven…

The spin Hall effect is a celebrated phenomenon in spintronics and magnetism that has found numerous applications in digital electronics (memory and logic), but very few in analog electronics. Practically, the only analog application in…

Mesoscale and Nanoscale Physics · Physics 2024-08-19 Raisa Fabiha , Pratap Kumar Pal , Michael Suche , Amrit Kumar Mondal , Erdem Topsakal , Anjan Barman , Supriyo Bandyopadhyay

The spin coherence phenomena and the possibility of their observation in nanomagnetic insulators attract more and more attention in the last several years. Recently it has been shown that in these systems in large transverse magnetic field…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 I. S. Tupitsyn

We present a theoretical approach to use ferro- or ferrimagnetic nanoparticles as microwave nanomagnonic cavities to concentrate microwave magnetic fields into deeply subwavelength volumes $\sim 10^{-13}$ mm$^3$. We show that the field in…

Quantum Physics · Physics 2021-01-04 Tomáš Neuman , Derek S. Wang , Prineha Narang

A dielectric body couples with electromagnetic fields through radiation pressure and electrostrictive forces, which mediate phonon-photon coupling in cavity optomechanics. In a magnetic medium, according to Korteweg-Helmholtz formula,…

Quantum Physics · Physics 2015-11-17 Xufeng Zhang , Chang-Ling Zou , Liang Jiang , Hong X. Tang

We implement superconducting YBCO planar resonators with two fundamental modes for circuit quantum electrodynamics experiments. We first demonstrate good tunability in the resonant microwave frequencies and in their interplay as it emerges…

Mesoscale and Nanoscale Physics · Physics 2018-12-04 Claudio Bonizzoni , Filippo Troiani , Alberto Ghirri , Marco Affronte

We have investigated multifunctional periodic structures in which electromagnetic waves and spin waves can be confined in the same areas. Such simultaneous localization of both sorts of excitations can potentially enhance the interaction…

Materials Science · Physics 2017-03-14 Yu. S. Dadoenkova , N. N. Dadoenkova , I. L. Lyubchanskii , J. W. Kłos , M. Krawczyk

Using vibrational electron energy loss spectroscopy (vib-EELS) combined with numerical modeling, we investigate the physical mechanisms governing the phonon coupling between a spherical particle sustaining multipolar surface phonon modes…

Materials Science · Physics 2025-06-06 Ka Yin Lee , Elliot K. Beutler , Tifany Q. Crisolo , David J. Masiello , Maureen J. Lagos

We consider the two-chain Heisenberg ladder with antiferromagnetic interactions. Our approach is based on the description of spin excitations as triplets above a strong-coupling singlet ground state. It is shown that interaction with…

Strongly Correlated Electrons · Physics 2009-10-31 O. P. Sushkov

The utilization of spin waves as eigenmodes of the magnetization dynamics for information processing and communication has been widely explored recently due to its high operational speed with low power consumption and possible applications…

Materials Science · Physics 2013-11-11 Mahdi Jamali , Jae Hyun Kwon , Soo-Man Seo , Kyung-Jin Lee , Hyunsoo Yang

The ability to achieve strong-coupling has made cavity-magnon systems an exciting platform for the development of hybrid quantum systems and the investigation of fundamental problems in physics. Unfortunately, current experimental…

Applied Physics · Physics 2020-07-07 C. A. Potts , J. P. Davis

Spin-wave amplification techniques are key to the realization of magnon-based computing concepts. We introduce a novel mechanism to amplify spin waves in magnonic nanostructures. Using the technique of rapid cooling, we create a…

Focusing electromagnetic field to enhance the interaction with matter has been promoting researches and applications of nano electronics and photonics. Usually, the evanescent-wave coupling is adopted in various nano structures and…