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Related papers: Shubnikov-de Haas effect in quasi-two-dimensional …

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The Shubnikov - de Haas effect in quasi-two-dimensional normal metals is studied. The interlayer conductivity is calculated using the Kubo formula. The electron scattering on short-range is considered in the self-consistent Born…

Statistical Mechanics · Physics 2009-11-07 P. D. Grigoriev

We analyze the behavior of the longitudinal conductivity $\sigma_{zz}$ in a field perpendicular to the highly conducting plane of a quasi-2D {\em multiband} metal in the case of closed system and open systems where $\tau$ is fixed, $\tau$…

Mesoscale and Nanoscale Physics · Physics 2008-02-29 I. O. Thomas , V. V. Kabanov , A. S. Alexandrov

Magnetic quantum oscillations (MQO) are traditionally applied to investigate the electronic structure of metals. In layered quasi-two-dimensional (Q2D) materials the MQO have several qualitative features giving additional useful…

Strongly Correlated Electrons · Physics 2024-05-17 Taras Mogilyuk , Pavel Grigoriev , Vladislav Kochev , Ivan Volokhov , Ilya Polishchuk

The amplitude and phase of Shubnikov-de Haas oscillations have been analyzed in detail for two-dimensional electron gases subjected to a weak unidirectional periodic potential modulation. The amplitude is suppressed, accompanied by…

Mesoscale and Nanoscale Physics · Physics 2008-05-03 Akira Endo , Yasuhiro Iye

The Shubnikov-de Haas effect is used to explore the conduction band edge of high mobility SrTiO3 films doped with La. The results largely confirm the earlier measurements by Uwe et al. [Jap. J. Appl. Phys. 24, Suppl. 24-2, 335 (1985)]. The…

The conductivity in quasi two-dimensional systems is calculated using the quantum kinetic equation. Linearizing the Lenard-Balescu collision integral with the extension to include external field dependences allows one to calculate the…

Strongly Correlated Electrons · Physics 2009-11-07 Klaus Morawetz

The "one-dimensional" coherent states are applied to describe the Shubnikov - de Haas and the de Haas-van Alphen oscillation effects in metals, semimetals, and degenerate semiconductors. The oscillatory part of the electron density of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. A. Contreras-Solorio , J. A. de la Cruz-Alcaz , S. T. Pavlov

We report the Shubnikov-de Haas (SdH) oscillations observed in the vortex liquid state of the quasi two dimensional organic superconductor $\kappa$-(BEDT-TTF)$_{2}$Cu(NCS)$_{2}$. The SdH oscillations can be observed down to about 5 T at 0.5…

Superconductivity · Physics 2009-11-07 T. Sasaki , T. Fukuda , N. Yoneyama , N. Kobayashi

Pressure dependence of the Shubnikov-de Haas (SdH) oscillations spectra of the quasi-two di- mensional organic metal (ET)8[Hg4Cl12(C6H5Br)]2 have been studied up to 1.1 GPa in pulsed magnetic fields of up to 54 T. According to band…

Magneto-transport measurements are performed on two-dimensional GaAs electron systems to probe the quantum Hall (QH) effect at low magnetic fields. Oscillations following the Shubnikov-de Haas (SdH) formula are observed in the transition…

Mesoscale and Nanoscale Physics · Physics 2012-09-14 Shun-Tsung Lo , Yi-Ting Wang , G Bohra , E Comfort , T-Y Lin , M-G Kang , G Strasser , J P Bird , C F Huang , Li-Hung Lin , J C Chen , C-T Liang

Shubnikov-De Haas effect (SdH) effect and angular dependent magnetoresistance oscillations (AMRO) were observed in the organic superconductor: $\kappa$-(BETS)$_2$FeBr$_4$. In contrast to its isostructural compound…

Strongly Correlated Electrons · Physics 2009-10-31 L. Balicas , J. S. Brooks , K. Storr , D. Graf , S. Uji , H. Shinagawa , E. Ojima , H. Fujiwara , H. Kobayashi , A. Kobayashi , M. Tokumoto

We present a detailed study of quantum transport in large antidot arrays whose classical dynamics is chaotic. We calculate the longitudinal and Hall conduc- tivities semiclassically starting from the Kubo formula. The leading contribu- tion…

Condensed Matter · Physics 2009-10-22 Gregor Hackenbroich , Felix von Oppen

Hybrid superconductor-semiconductor nanostructures are a central component for research spanning condensed matter physics and quantum information processing. Continued progress relies critically on the ability to characterize, control, and…

Recent experiments on type-II Weyl semimetals such as WTe$_2$, MoTe$_2$, Mo$_x$W$_{1-x}$Te$_2$ and WP$_2$ reveal remarkable transport properties in presence of a strong magnetic field, including an extremely large magnetoresistance and an…

Mesoscale and Nanoscale Physics · Physics 2018-09-19 Maximilian Trescher , Emil J. Bergholtz , Johannes Knolle

Kubo formula is used to get the d.c conductance of a statistical ensemble of two-dimensional clusters of the square lattice in the presence of standard diagonal disorder, a uniform magnetic field and random magnetic fluxes. Working within a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 J. A. Verges

We report on dynamic Shubnikov - de Haas (SdH) oscillations that are measured in the optical response, sub - terahertz transmittance of two-dimensional systems, and reveal two distinct types of oscillation nodes: "universal" nodes at…

Mesoscale and Nanoscale Physics · Physics 2024-02-09 M. L. Savchenko , J. Gospodaric , A. Shuvaev , I. A. Dmitriev , V. Dziom , A. A. Dobretsova , N. N. Mikhailov , Z. D. Kvon , A. Pimenov

We present magnetoresistance studies of the quasi-two-dimensional organic conductor $\kappa$-(BETS)$_2$Mn[N(CN)$_2$]$_3$, where BETS stands for bis\-(ethylene\-dithio)\-tetra\-selena\-fulvalene. Under a moderate pressure of 1.4\,kbar,…

Strongly Correlated Electrons · Physics 2018-01-09 M. V. Kartsovnik , V. N. Zverev , W. Biberacher , S. V. Simonov , I. Sheikin , N. D. Kushch , E. B. Yagubskii

The quasiparticle scattering rates in high-quality crystals of the quasi-two-dimensional superconductor $\kappa$-(BEDT-TTF)$_2$Cu(NCS)$_2$ ~are studied using the Shubnikov-de Haas effect and MHz penetration-depth experiments. There is…

Strongly Correlated Electrons · Physics 2009-11-07 John Singleton , Charles Mielke , William Hayes , John Schlueter

We discuss the recent theory of Gvozdikov [Phys. Rev. B 70, 085113 (2004)] which aims at explaining the Shubnikov-de Haas oscillations of the longitudinal resistivity \rho_zz observed in the quasi-two-dimensional organic compound…

Other Condensed Matter · Physics 2007-05-23 T. Champel , V. P. Mineev

We present magnetotransport calculations for homogeneous two-dimensional electron systems including the Rashba spin-orbit interaction, which mixes the spin-eigenstates and leads to a modified fan-chart with crossing Landau levels. The…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 M. Langenbuch , M. Suhrke , U. Rössler
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