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We present a fully analytical model of hybridization between magnon, and phonons observed experimentally in magneto-Raman scattering in van der Waals (vdW) antiferromagnets (AFM). Here, the representative material, FePS3, has been shown to…

Mesoscale and Nanoscale Physics · Physics 2025-01-03 Somsubhra Ghosh , Mainak Palit , Sujan Maity , Subhadeep Datta

We experimentally investigated the optical responses of a superconducting niobium resonator. It was found that, with increasing radiation power, the resonance frequency increases monotonically below around 500 mK, decreases monotonically…

Mesoscale and Nanoscale Physics · Physics 2013-10-28 Yiwen Wang , Pinjia Zhou , Lianfu Wei , Haijie Li , Beihong Zhang , Miao Zhang , Qiang Wei , Yurong Fang , Chunhai Cao

In this work, robustness of controlled density of optical states in doubly driven artificial atoms is studied under phonon dissipation. By using both perturbative and polaron approaches, we investigate the influence of carrier-phonon…

Quantum Physics · Physics 2020-10-07 David F. Macias-Pinilla , Hanz Y. Ramírez

Owing to their long phonon mean free paths (MFPs) and high thermal conductivity, carbon nanotubes (CNTs) are ideal candidates for, e.g., removing heat from electronic devices. It is unknown, however, how the intrinsic phonon MFPs depend on…

Mesoscale and Nanoscale Physics · Physics 2015-03-23 K. Sääskilahti , J. Oksanen , S. Volz , J. Tulkki

As a critical way to modulate thermal transport in nanostructures, phonon resonance hybridization has become an issue of great concern in the field of phonon engineering. In this work, we optimized phonon transport across graphene…

Mesoscale and Nanoscale Physics · Physics 2021-04-06 Xiao Wan , Dengke Ma , Dongkai Pan , Lina Yang , Nuo Yang

We theoretically explore the role of mesoscopic fluctuations and noise on the spectral and temporal properties of systems of $\mathcal{PT}$-symmetric coupled gain-loss resonators operating near the exceptional point, where eigenvalues and…

Mesoscale and Nanoscale Physics · Physics 2018-10-18 N. Asger Mortensen , P. A. D. Gonçalves , Mercedeh Khajavikhan , Demetrios N. Christodoulides , C. Tserkezis , C. Wolff

A new mechanism is proposed to explain the colossal magnetoresistance and related phenomena. Moving electrons accompanied by Jahn-Teller phonon and spin-wave clouds may form composite polarons in ferromagnetic narrow-band manganites. The…

Strongly Correlated Electrons · Physics 2016-08-31 Liang-Jian Zou , H. Q. Lin , Qing-Qi Zheng

We theoretically investigate the energy relaxation rate of magnons and phonons near the resonance points to clarify the underlying mechanism of heat transport in ferromagnetic materials. We find that the simple two-temperature model is…

Mesoscale and Nanoscale Physics · Physics 2020-09-28 Qing Xi , Bin Liu , Zhong Shi , Tsuneyoshi Nakayama , Jun Zhou , Baowen Li

The observation of strongly coupled lattice and spin dynamics in altermagnet CoF$_2$ is reported. On the background of the expected spin-phonon interaction leading to renormalization of all phonons at the Neel temperature an additional…

Materials Science · Physics 2024-05-14 M. A. Prosnikov , M. Bal , R. V. Pisarev , P. C. M. Christianen , A. M. Kalashnikova

Coupled electromechanical resonators that can be independently driven/detected and easily integrated with external circuits are essential for exploring mechanical modes based signal processing. Here, we present a room temperature…

Mesoscale and Nanoscale Physics · Physics 2022-09-13 Alok Pokharel , Hao Xu , Srisaran Venkatachalam , Eddy Collin , Xin Zhou

This study introduces the theory of a microcalorimeter based on phonon-blocked superconducting tunnel junctions, integrating on-chip electron cooling and boundary resistance phonon isolation to achieve exceptional energy resolution and…

Instrumentation and Detectors · Physics 2026-03-31 Zhuoran Geng , Joel Hätinen , Emma Mykkänen , Mika Prunnila , Ilari J. Maasilta

The nonlinear quantum regime is crucial for implementing interesting quantum effects, which have wide applications in modern quantum science. Here we propose an effective method to reach the nonlinear quantum regime in a modulated…

Quantum Physics · Physics 2017-12-27 Tai-Shuang Yin , Xin-You Lü , Li-Li Zheng , Mei Wang , Sha Li , Ying Wu

We describe nonlinear phonon-thermoelectric devices where charge current and electronic and phononic heat currents are coupled, driven by voltage and temperature biases, when phonon-assisted inelastic processes dominate the transport. Our…

Mesoscale and Nanoscale Physics · Physics 2015-07-31 Jian-Hua Jiang , Manas Kulkarni , Dvira Segal , Yoseph Imry

The phonon thermal contribution to the melting temperature of nano-particles is inspected. Unlike in periodic boundary condition, under a general boundary condition the integration volume of low energy phonon for a nano-particle is more…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Xu Yuanyuan , Kang Kai , Qin Shaojing

We have developed a contact-less technique for the real time measurement of a-thermal (Cooper-pair breaking) phonons in an absorber held at sub-Kelvin temperatures. In particular, a thin-film aluminum superconducting resonator was realized…

We optimize a collision-induced cooling process for ultracold atoms in the nondegenerate regime. It makes use of a Feshbach resonance, instead of rf radiation in evaporative cooling, to selectively expel hot atoms from a trap. Using…

Quantum Gases · Physics 2015-04-29 Marlon Nuske , Eite Tiesinga , L. Mathey

We investigate the influences of the electron-phonon interaction on the transport properties of one quantum-dot system with a side-coupled Majorana zero mode (MZM). Our calculation results show that at the zero-temperature limit, the…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 Xiao-Qi Wang , B. H. Wu , Shu-Feng Zhang , Qi Wang , Wei-Jiang Gong

The application of weak electric fields (<~ 100 V/cm) is found to dramatically enhance the lattice thermal conductivity of the antiferromagnetic (AF) insulator CaMnO(3) over a broad range of temperature about the Neel ordering point (125…

Strongly Correlated Electrons · Physics 2009-11-13 C. Chiorescu , J. J. Neumeier , J. L. Cohn

We calculate the resistivity associated with an Ising-nematic quantum critical point in the presence of disorder and acoustic phonons in the lattice model. We use the memory-matrix transport theory, which has a crucial advantage compared to…

Strongly Correlated Electrons · Physics 2020-06-26 Lucas E. Vieira , Vanuildo S. de Carvalho , Hermann Freire

In a hybrid micromaser system consisting of an optical cavity with a moving mirror connected to a low temperature thermal bath, we demonstrate, both analytically and numerically, that for certain interaction times between a random atomic…

Quantum Physics · Physics 2023-03-24 Hugo Molinares , Vitalie Eremeev , Miguel Orszag