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In this review, we present recent theoretical developments on spin transport phenomena probed by ferromagnetic resonance (FMR) modulation in two-dimensional systems coupled to magnetic materials. We first address FMR linewidth enhancements…

Mesoscale and Nanoscale Physics · Physics 2025-10-28 Yuya Ominato , Masaki Yama , Ai Yamakage , Mamoru Matsuo , Takeo Kato

Two dimensional heterostructures are likely to provide new avenues for the manipulation of magnetization that is crucial for spintronics or magnetoelectronics. Here, we demonstrate that optical spin pumping can generate a large effective…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Chongyun Jiang , Abdullah Rasmita , Weigao Xu , Atac Imamoğlu , Qihua Xiong , Wei-bo Gao

Nonequilibrium dynamics in spin systems is a topic currently under intense investigation as it provides fundamental insights into thermalization, universality, and exotic transport phenomena. While most of the studies have been focused on…

Mesoscale and Nanoscale Physics · Physics 2023-11-01 Chengyun Hua , Lucas Lindsay , Yuya Shinohara , David Alan Tennant

The atomic population trapped in uncoupled atomic states is a limiting factor for processes based on laser-atom interaction. The use of repump laser, bi-chromatic field, and vector magnetic field are explored in degenerate as well as…

Atomic Physics · Physics 2023-04-28 Swarupananda Pradhan , Sudip mandal

Spin glasses are frustrated magnetic systems due to a random distribution of ferro- and antiferromagnetic interactions. An experimental three dimensional (3d) spin glass exhibits a second order phase transition to a low temperature spin…

Disordered Systems and Neural Networks · Physics 2009-11-10 Per Nordblad

Looking for superconductors with higher transition temperature requires a guiding principle. In conventional superconductors, electrons pair up into Cooper pairs via the retarded attraction mediated by electron-phonon coupling.…

Strongly Correlated Electrons · Physics 2015-11-11 Da Wang , Wan-Sheng Wang , Qiang-Hua Wang

Photon entanglement is indispensable for optical quantum technologies. Measurement-based optical quantum computing and all-optical quantum networks rely on multiphoton cluster states consisting of indistinguishable entangled photons. A…

Strong mutual interactions correlate elementary excitations of quantum matter and plays a key role in a range of emergent phenomena, from binding and condensation to quantum thermalization and many-body localization. Here, we employ a…

Quantum Physics · Physics 2024-07-03 Kangheun Kim , Fan Yang , Klaus Mølmer , Jaewook Ahn

We present a system for the simulation of Heisenberg models with spins $s=\frac{1}{2}$ and $s=1$ with a linear crystal of trapped ions. We show that the laser-ion interaction induces a Jaynes-Cummings-Hubbard interaction between the atomic…

Quantum Physics · Physics 2015-02-11 Peter A. Ivanov , Naoum I. Karchev , Nikolay V. Vitanov , Dimitris G. Angelakis

Spin-squeezing in systems with single-particle control is a well-established resource of modern quantum technology. Applied in an optical lattice clock can reduce the statistical uncertainty of spectroscopic measurements. Here, we consider…

Quantum Gases · Physics 2024-07-11 Tanausú Hernández Yanes , Artur Niezgoda , Emilia Witkowska

The electron-phonon interaction is one of the most fundamental mechanisms in condensed matter physics. Phonons can induce memory effects in solid-state platforms when localized electronic states interact with lattice vibrations in…

Quantum Physics · Physics 2024-11-18 Ariel Norambuena , Diego Tancara , Vicente Chomalí-Castro , Daniel Castillo

We calculate the spin relaxation rates in a parabolic InSb quantum dots due to the spin interaction with acoustical phonons. We considered the deformation potential mechanism as the dominant electron-phonon coupling in the Pavlov-Firsov…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 C. L. Romano , G. E. Marques , L. Sanz , A. M. Alcalde

We consider a finite two-dimensional Heisenberg triangular spin lattice at different degrees of anisotropy coupled to a dissipative Lindblad environment obeying the Born-Markovian constrain at finite temperature. We show how applying an…

Quantum Physics · Physics 2020-09-18 Gehad Sadiek , Samaher Almalki

We calculate the spin relaxation rates in a parabolic InSb quantum dots due to the spin interaction with acoustical phonons. We considered the deformation potential mechanism as the dominant electron-phonon coupling in the Pavlov-Firsov…

Mesoscale and Nanoscale Physics · Physics 2008-01-15 A. M. Alcalde , C. L. Romano , L. Sanz , G. E. Marques

Recent advances in synthetic quantum matter allow researchers to design quantum models inaccessible in traditional materials. Here, we propose protocols to engineer a new class of quantum spin models, which we call spin Kitaev models. The…

Quantum Gases · Physics 2025-08-26 Chenwei Lv , Thomas Bilitewski , Ana Maria Rey , Qi Zhou

Uncovering pathways to optically drive magnetic order-disorder transitions on ultrashort timescales can lead to the realization of novel out-of-equilibrium quantum phenomena. A long-sought pathway is to directly excite a highly non-thermal…

To investigate the possibility whether electron-phonon coupling can enhance orbital fluctuations in iron-based superconductors, we develop an ab initio method to construct the effective low-energy models including the phonon-related terms.…

Superconductivity · Physics 2014-01-20 Yusuke Nomura , Kazuma Nakamura , Ryotaro Arita

The nonequilibrium dynamics of a quantum dot with electron-phonon interactions described by a generalized Holstein model is presented. A combination of methodologies including the reduced density matrix formalism, the multilayer…

Strongly Correlated Electrons · Physics 2015-06-18 Eli Y. Wilner , Haobin Wang , Michael Thoss , Eran Rabani

Optimizing the cooperativity between two distinct particles is an important feature of quantum information processing. Of particular interest is the coupling between spin and phonon, which allows for integrated long range communication…

Applied Physics · Physics 2024-02-16 K. An , C. Kim , K. -W. Moon , R. Kohno , G. Olivetti , G. de Loubens , N. Vukadinovic , J. Ben Youssef , C. Hwang , O. Klein

We have investigated the field-angle behaviors of magnetic excitations under an in-plane magnetic field for proximate Kitaev systems. By employing the exact diagonalization method in conjunction with the linear spin wave theory, we have…

Strongly Correlated Electrons · Physics 2021-10-15 Beom Hyun Kim