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Related papers: Tunable spin-phonon polarons in a chiral molecular…

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Selectively exciting and manipulating phonons at nanoscale becomes more and more important but still remains challenging in modern nano-energy control and information sensing. Here, we show that the phonon spin angular momentum provides an…

Mesoscale and Nanoscale Physics · Physics 2025-10-03 Jia Li , Yu-Tao Tan , Yizhou Liu , Jie Ren

We present a theoretical framework to investigate spin chirality in molecular quantum systems. Focusing on a minimal three-spin-center model with antiferromagnetic exchange and symmetry breaking driven by an electric-field-induced…

Mesoscale and Nanoscale Physics · Physics 2025-04-25 Aman Ullah , Ziqi Hu , Juan Aragó , Alejandro Gaita-Ariño

Charge and spin dynamics is addressed in chiral molecules immediately after the instantaneous coupling to an external metallic reservoir. It is shown how a spin-polarization is induced in the chiral structure as a response to the charge…

Mesoscale and Nanoscale Physics · Physics 2022-02-08 J. Fransson

Electron and nuclear spins are very promising candidates to serve as quantum bits (qubits) for proposed quantum computers, as the spin degrees of freedom are relatively isolated from their surroundings, and can be coherently manipulated…

Quantum Physics · Physics 2010-08-24 J. van Tol , G. W. Morley , S. Takahashi , D. R. McCamey , C. Boehme , M. E. Zvanut

Quasicrystals,characterized by long-range order without translational symmetry,have catalyzed transformative advances in various fields,including optics in terms of field quasicrystals.Here,we present the first demonstration of photonic…

Optics · Physics 2024-07-15 Min Lin , Xinxin Gou , Zhenwei Xie , Aiping Yang , Luping Du , Xiaocong Yuan

We theoretically explore the generation of spin current driven by a temperature gradient in a junction between a chiral insulator and a normal metal. Based on the gyromagnetic response induced by microscopic acoustic-phonon-mediated lattice…

Mesoscale and Nanoscale Physics · Physics 2025-08-20 Naoki Nishimura , Takumi Funato , Mamoru Matsuo , Takeo Kato

A generation, propagation, and transfer of phonon angular momenta are examined on thermal transport in chiral insulative and diamagnetic crystals of $\alpha$-quartz. We found that thermally-driven phonons carry chirality-dependent angular…

Materials Science · Physics 2024-01-31 Kazuki Ohe , Hiroaki Shishido , Masaki Kato , Shoyo Utsumi , Hiroyasu Matsuura , Yoshihiko Togawa

We show that a quasiperiodic magnetic chain comprising magnetic atomic sites sequenced in Fibonacci pattern can act as a prospective candidate for spin filters for particles with arbitrary spin states. This can be achieved by tuning a…

Mesoscale and Nanoscale Physics · Physics 2019-04-29 Biplab Pal

Electronic spin superposition states enable nanoscale sensing through their sensitivity to the local environment, yet their sensitivity to vibrational motion also limits their coherence times. In molecular spin systems, chemical tunability…

Quantum Physics · Physics 2026-02-04 Stefan H. Lohaus , Kay T. Xia , Yongqiang Cheng , Ryan G. Hadt

Organic/inorganic interfaces formed by monolayer substrates and conjugated molecular adsorbates are attractive material platforms leveraging the modularity of organic compounds together with the long-range phenomena typical of condensed…

Materials Science · Physics 2023-09-01 Hanen Hamdi , Jannis Krumland , Ana M. Valencia , Carlos-Andres Palma , Caterina Cocchi

Spin-phonon coupling and its efficacy in inducing multiple topological phase transitions in a frustrated kagome antiferromagnet have been rare in literature. To this end, we study the ramifications of invoking optical phonons in such a…

Mesoscale and Nanoscale Physics · Physics 2025-09-09 Shreya Debnath , Kuntal Bhattacharyya , Saurabh Basu

When an electron-hole pair is optically excited in a semiconductor quantum dot the host crystal lattice needs to adapt to the presence of the generated charge distribution. Therefore the coupled exciton-phonon system has to establish a new…

The interaction of electronic spin and molecular vibrations mediated by spin-orbit coupling governs spin relaxation in molecular qubits. I derive an extended molecular spin Hamiltonian that includes both adiabatic and non-adiabatic…

Chemical Physics · Physics 2024-01-31 Philip Shushkov

In the quantum anomalous Hall effect, chiral edge modes are expected to conduct spin polarized current without dissipation and thus hold great promise for future electronics and spintronics with low energy consumption. However, spin…

Mesoscale and Nanoscale Physics · Physics 2016-07-06 Rui-Xing Zhang , Hsiu-Chuan Hsu , Chao-Xing Liu

Designing unconventional interactions between single phonons and spins is fascinating for its applications in quantum phononics. Here, we propose a reliable scheme for coupling spins and phonons in phononic dimer and trimer lattices, with…

Quantum Physics · Physics 2021-09-30 Xing-Liang Dong , Cai-Peng Shen , Shao-Yan Gao , Hong-Rong Li , Hong Gao , Fu-Li Li , Peng-Bo Li

The photon spin is an important resource for quantum information processing as is the electron spin in spintronics. However, for subwavelength confined optical excitations, polarization as a global property of a mode cannot be defined.…

Optics · Physics 2018-12-11 Enno Krauss , Gary Razinskas , Dominik Köck , Swen Grossmann , Bert Hecht

The direct, ultrafast excitation of polar phonons with electromagnetic radiation is a potent strategy for controlling the properties of a wide range of materials, particularly in the context of influencing their magnetic behavior. Here, we…

Mesoscale and Nanoscale Physics · Physics 2024-05-01 R. Merlin

Polaritons in metals, semimetals, semiconductors, and polar insulators, with their extreme confinement of electromagnetic energy, provide many promising opportunities for enhancing typically weak light-matter interactions such as multipolar…

Polarons are quasiparticles that arise from the interaction of electrons or holes with lattice vibrations. Though polarons are well-studied across multiple disciplines, experimental observations of polarons in two-dimensional crystals are…

High degree of preservation of spin states during energy relaxation processes mediated by optical phonons is demonstrated in a single quantum dot. Optical-phonon resonance and relevant suppression of spin relaxation are clearly identified…

Materials Science · Physics 2013-05-29 H. Kumano , H. Kobayashi , S. Ekuni , Y. Hayashi , M. Jo , H. Sasakura , S. Adachi , S. Muto , I. Suemune
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