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Related papers: Spin-orbit coupling effects on spin-phonon couplin…

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Effective spin mixing conductance (ESMC) across the nonmagnetic metal (NM)/ferromagnet interface, spin Hall conductivity (SHC) and spin diffusion length (SDL) in the NM layer govern the functionality and performance of pure spin current…

Materials Science · Physics 2016-09-02 L. Ma , H. A. Zhou , L. Wang , X. L. Fan , W. J. Fan , D. S. Xue , K. Xia , G. Y. Guo , S. M. Zhou

We investigate the emergence and transformation of pinch-point singularities in the excitation spectrum of electronic flat band systems on kagome and pyrochlore lattices with spin-orbit coupling (SOC) and Coulomb interactions. While pinch…

Strongly Correlated Electrons · Physics 2025-07-09 Hiroki Nakai , Masafumi Udagawa , Chisa Hotta

Band calculations show that a stripe-like anti-ferromagnetic spin wave is enforced by a 'half-breathing' phonon distortion within the CuO plane of HgBa_2CuO_4. This spin-phonon coupling is increased further by shear distortion and by…

Superconductivity · Physics 2009-11-10 T. Jarlborg

Spin-orbit coupling (SOC) is an essential ingredient in topological materials, conventional and quantum-gas based alike.~Engineered spin-orbit coupling in ultracold atom systems --unique in their experimental control and measurement…

We present a study of the electronic structure, phonon frequencies and electron-phonon coupling in hcp Sc under pressure. The electron-phonon coupling constant is found to increase steadily with pressure in the hcp phase, until the pressure…

Superconductivity · Physics 2009-11-13 S. K. Bose

Materials having strong coupling between different degrees of freedom such as spin, lattice, orbital, and charge are of immense interest due to their potential device applications. Here, we have stabilized the 9R phase of BaMnO3, by Sr (Ti)…

Materials Science · Physics 2021-10-27 Bommareddy Poojitha , Anjali Rathore , Surajit Saha

The interplay between lattice distortions, magnetism, and spin-orbit coupling in 5d transition-metal halides offers a fertile platform for exploring correlated spin-lattice dynamics. Here, we investigate the impact of structural symmetry…

Strongly Correlated Electrons · Physics 2026-01-30 S. Bhatia , A. Ahmad , M. Zeeshan , S. Kaur , J. K. Anand , A. Goswami , B. K. Mani , K. Sen

The effects of spin-orbit (SOC) and electron-phonon coupling on the collective excitation of doped monolayer Sb$_2$ are investigated using density functional and many-body perturbation theories. The spin-orbit coupling is exclusively…

Materials Science · Physics 2020-05-13 Zahra Torbatian , Mohammad Alidoosti , Dino Novko , Reza Asgari

In conventional superconductors, bulk physical properties typically degrade as the film thickness approaches the two-dimensional (2D) limit. Here in the (111) oriented LaAlO3/KTaO3 (LAO/KTO) heterostructure, we demonstrate experimental…

Cr2Ge2Te6 has been of interest for decades, as it is one of only a few naturally forming ferromagnetic semiconductors. Recently, this material has been revisited due to its potential as a 2 dimensional semiconducting ferromagnet and a…

Materials Science · Physics 2016-05-02 Yao Tian , Mason J. Gray , Huiwen Ji , R. J. Cava , Kenneth S. Burch

The coupling between electron orbital momentum and spin momentum, known as spin-orbit coupling (SOC), is a fundamental origin of a multitude of fascinating physical phenomena, especially it holds paramount significance in the realm of…

Materials Science · Physics 2024-01-01 Surasree Sadhukhan , Sudipta Kanungo

We have studied in detail the electronic structure of IrO$_2$ including spin-orbit coupling (SOC) and electron-electron interaction, both within the GGA+U and GGA+DMFT approximations. Our calculations reveal that the Ir t$_{2g}$ states at…

Strongly Correlated Electrons · Physics 2014-04-25 S. K. Panda , S. Bhowal , A. Delin , O. Eriksson , I. Dasgupta

Quantum statistics and symmetrization dictate that identical fermions do not interact via s-wave collisions. However, in the presence of spin-orbit coupling (SOC), fermions prepared in identical internal states with distinct momenta become…

Atomic Physics · Physics 2018-05-09 S. L. Bromley , S. Kolkowitz , T. Bothwell , D. Kedar , A. Safavi-Naini , M. L. Wall , C. Salomon , A. M. Rey , J. Ye

Quantum localization via atomic point defects in semiconductors is of significant fundamental and technological importance. Quantum defects in monolayer transition-metal dichalcogenide semiconductors have been proposed as stable and…

Materials Science · Physics 2020-07-30 Chitraleema Chakraborty , Christopher J. Ciccarino , Prineha Narang

Detailed experiments on single-crystal (VO)_2P_2O_7 continue to reveal new and unexpected features. We show that a model composed of two, independent planes of spin chains with frustrated magnetic coupling is consistent with nuclear…

Strongly Correlated Electrons · Physics 2009-10-31 G. S. Uhrig , B. Normand

In condensed-matter physics spin-orbit coupling (SOC) is a fundamental physical interaction, which describes how the electrons' spin couples to their orbital motion. It is the source of a vast variety of fascinating phenomena in solids such…

Superconductivity · Physics 2023-05-25 Khalil Zakeri , Dominik Rau , Jasmin Jandke , Fang Yang , Wulf Wulfhekel , Christophe Berthod

The electromagnetic response of the CuO2-planes is calculated within a strong coupling theory using model tight binding bands and momentum dependent pairing interactions representing spin fluctuations and phonon exchange. The…

Superconductivity · Physics 2009-10-30 Andreas Bille , Kurt Scharnberg

The enhancement of spin-phonon coupling in gadolinium filled double walled carbon nanotubes (GdCl3@DWNTs) is demonstrated through temperature dependent magnetrometry and polarized Raman Spectroscopy (PRS). Temperature dependent…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 S. Ncube , R. Erasmus , S. Bhattacharyya

Using the Eliashberg theory of superconductivity we have examined several properties of a model in which electrons are coupled only to rattling phonon modes represented by a sharp peak in the electron-phonon coupling function. Our choice of…

Superconductivity · Physics 2018-07-13 Samin Tajik , Božidar Mitrović , Frank Marsiglio

We have investigated the structural, electronic, mechanical, phononic, and superconducting properties of the Zr$_2$Ir compound with a body-centered tetragonal crystal structure using first-principles calculations. Our analysis reveals that…

Computational Physics · Physics 2023-05-17 C. Tayran , M. Çakmak