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Related papers: Extending spin-lattice relaxation theory to three-…

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While 3$d$-containing materials display strong electron correlations, narrow band widths, and robust magnetism, 5$d$ systems are recognized for strong spin-orbit coupling, increased hybridization, and more diffuse orbitals. Combining these…

Spin-phonon interaction plays an important role in 2D magnetic materials and motivates the development of next-generation spin- and charge-dependent microelectronic devices. Understanding the spin-phonon interaction by tuning the growth…

While the vibrational thermodynamics of materials with small anharmonicity at low temperatures has been understood well based on the harmonic phonons approximation; at high temperatures, this understanding must accommodate how phonons…

Materials Science · Physics 2015-10-20 Tian Lan

We consider the spin correlation functions for rare-earth compounds in their paramagnetic state with the aim to understand the temperature dependence of the quasi-elastic and crystal-field linewidths and the spin-lattice relaxation rates…

Materials Science · Physics 2009-12-21 A. Yaouanc

Prediction of lattice thermal conductivity is important to many applications and technologies, especially for high-throughput materials screening. However, the state-of-the-art method based on three-phonon scattering process is bound with…

Computational Physics · Physics 2019-05-24 Han Xie , Xiaokun Gu , Hua Bao

The study of spin decoherence is often performed by assuming that spin-phonon interactions lead to relaxation at high temperatures, and spin-spin dipolar interactions instead contribute to pure dephasing at low temperatures. This has…

Quantum Physics · Physics 2026-02-17 Conor Ryan , Alessandro Lunghi

We study an extended model to describe the spin-lattice coupling, incorporating individual vibrations of bonds and atomic sites alongside distance-dependent exchange interactions. The proposed spin Hamiltonian can be effectively considered…

Strongly Correlated Electrons · Physics 2026-03-10 Masaki Gen , Hidemaro Suwa , Shusaku Imajo , Chao Dong , Hiroaki Ueda , Makoto Tachibana , Akihiko Ikeda , Koichi Kindo , Yoshimitsu Kohama

We present a first-principles approach for computing the phonon-limited $T_1$ spin relaxation time due to the Elliot-Yafet mechanism. Our scheme combines fully-relativistic spin-flip electron-phonon interactions with an approach to compute…

Materials Science · Physics 2020-01-22 Jinsoo Park , Jin-Jian Zhou , Marco Bernardi

Spin-phonon coupling originated from spin-lattice correlation depends upon different exchange interactions in transition metal oxides containing 3d magnetic ions. Spin-lattice coupling can influence the coupling mechanism in magnetoelectric…

Strongly Correlated Electrons · Physics 2021-09-09 P. Pal , Shalini Badola , P. K. Biswas , Ranjana R. Das , Surajit Saha , S. D. Kaushik , P. N. Vishwakarma , A. K. Singh

A realistic pseudopotential model is introduced to investigate the phonon-induced spin relaxation of conduction electrons in bulk silicon. We find a surprisingly subtle interference of the Elliott and Yafet processes affecting the spin…

Materials Science · Physics 2010-01-05 J. L. Cheng , M. W. Wu , J. Fabian

We develop a theory of the spin-Peierls transition taking into account the three dimensional character of the phonon field. Our approach does not rely on the adiabatic or mean field treatment for the phonons. It is instead based in the…

Strongly Correlated Electrons · Physics 2007-11-05 A. O. Dobry , D. C. Cabra , G. L. Rossini

Microscopic coupling between the electron spin and the lattice vibration is responsible for an array of exotic properties from morphic effects in simple magnets to magnetodielectric coupling in multiferroic spinels and hematites.…

Materials Science · Physics 2022-07-22 Mingqiang Gu , Y. H. Bai , G. P. Zhang , Thomas F. George

We discuss collective spin wave excitations in triplet superconductors with an easy axis anisotropy for the order parameter. Using a microscopic model for interacting electrons we estimate the frequency of such excitations in Bechgaard…

Superconductivity · Physics 2009-11-11 Timofey Rostunov , Antoine Georges , Eugene Demler

The study of how spin interacts with lattice vibrations and relaxes to equilibrium provides unique insights on its chemical environment and the relation between electronic structure and molecular composition. Despite its importance for…

Materials Science · Physics 2022-08-23 Sourav Mondal , Alessandro Lunghi

We study a theoretical model for the magnetothermal conductivity of a spin-1/2 ladder with low exchange coupling ($J\ll\Theta_D$) subject to a strong magnetic field $B$. Our theory for the thermal transport accounts for the contribution of…

Strongly Correlated Electrons · Physics 2015-06-05 Ofer Shlagman , Efrat Shimshoni

Electron spin decoherence caused by elastic spin-phonon processes is investigated comprehensively in a zero-dimensional environment. Specifically, a theoretical treatment is developed for the processes associated with the fluctuations in…

Other Condensed Matter · Physics 2009-11-11 Y. G. Semenov , K. W. Kim

In this work, we study and evaluate the impact of a periodic spin-lattice coupling in an Ising-like system on a 2D triangular lattice. Our proposed simple Hamiltonian considers this additional interaction as an effect of preferential phonon…

Statistical Mechanics · Physics 2024-01-30 R. M. L. Nascimento , Claudio J. DaSilva , L. S. Ferreira , A. A. Caparica

We study the problem of heat transport in one-dimensional (1D) spin-chain systems weakly coupled to three-dimensional phonons and impurities. We consider the limit of fast spin excitations and slow phonons, applicable to a number of…

Strongly Correlated Electrons · Physics 2009-11-10 A. L. Chernyshev , A. V. Rozhkov

We report experimental studies of coherent population trapping and spin relaxation in a temperature range between 4 K and 100 mK in a silicon vacancy (SiV) center subject to a transverse magnetic field. Near and below 1 K, phonon-induced…

Quantum Physics · Physics 2024-09-24 Shuhao Wu , Xinzhu Li , Ian Gallagher , Benjamin Lawrie , Hailin Wang

We theoretically study the relaxation of electron orbital states of a double quantum dot system due to two-phonon processes. In particular, we calculate how the relaxation rates depend on the separation distance between the quantum dots,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 V. N. Stavrou , Xuedong Hu