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Related papers: Disorder-driven stochastic dynamics in Mott resist…

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An analysis of instability dynamics in a stochastic magnetic field is presented for the tractable case of the resistive interchange. Externally prescribed static magnetic perturbations convert the eigenmode problem to a stochastic…

Plasma Physics · Physics 2023-06-14 Mingyun Cao , P. H. Diamond

We report on resistive switching of memristive electrochemical metallization devices using 3D kinetic Monte Carlo simulations describing the transport of ions through a solid state electrolyte of an Ag/TiO$_{\text{x}}$/Pt thin layer system.…

Materials Science · Physics 2017-06-06 Sven Dirkmann , Thomas Mussenbrock

Motivated by recent experimental measurements on pressure-driven phase transitions in Mott-insulators as well as the new iron pnictide superconductors, we show that first principles Car-Parrinello molecular dynamics calculations are a…

Strongly Correlated Electrons · Physics 2010-04-06 Yu-Zhong Zhang , Ingo Opahle , Harald O. Jeschke , Roser Valenti

The last few decades has seen the rapid growth of interest in the bulk perovskite-type transition metal oxides SrVO$_3$ and SrTiO$_3$. The electronic configuration of these perovskites differs by one electron associated to the transition…

Strongly Correlated Electrons · Physics 2023-09-04 A. D. N. James , M. Aichhorn , J. Laverock

Twisted transition-metal dichalcogenides host highly tunable moir\'e potentials, flat bands, and correlated electronic phases, yet the role of disorder in shaping these emergent properties remains largely unresolved. Using scanning…

Strongly correlated materials that exhibit an insulator-metal transition are key candidates in the search for new computing platforms. Understanding the pathways and timescales underlying the electrically-driven insulator-metal transition…

Unusual metallic states involving breakdown of the standard Fermi-liquid picture of long-lived quasiparticles in well-defined band states emerge at low temperatures near correlation-driven Mott transitions. Prominent examples are…

Materials Science · Physics 2018-11-14 L. Craco , M. S. Laad , S. Leoni

Mott physics is characterized by an interaction-driven metal-to-insulator transition in a partially filled band. In the resulting insulating state, antiferromagnetic orders of the local moments typically develop, but in rare situations no…

The fundamental building blocks of modern silicon-based microelectronics, such as double gate transistors in non-volatile Flash memories, are based on the control of electrical resistance by electrostatic charging. Flash memories could soon…

Materials Science · Physics 2013-04-23 Laurent Cario , Cristian Vaju , Benoit Corraze , Vincent Guiot , Etienne Janod

We present a study of the influence of disorder on the Mott metal-insulator transition for the organic charge-transfer salt $\kappa$-(BEDT-TTF)$_2$Cu[N(CN)$_2$]Cl. To this end, disorder was introduced into the system in a controlled way by…

Strongly Correlated Electrons · Physics 2018-01-17 Elena Gati , Ulrich Tutsch , Ammar Naji , Markus Garst , Sebastian Köhler , Harald Schubert , Takahiko Sasaki , Michael Lang

Transport through molecular contacts with a sluggish intramolecular vibrational mode strongly coupled to excess charges is studied far from equilibrium. A Born-Oppenheimer approximation in steady state reveals voltage dependent energy…

Mesoscale and Nanoscale Physics · Physics 2012-06-27 Lars Kecke , Joachim Ankerhold

Beyond-Moore computing technologies are expected to provide a sustainable alternative to the von Neumann approach not only due to their down-scaling potential but also via exploiting device-level functional complexity at the lowest possible…

Mesoscale and Nanoscale Physics · Physics 2024-08-21 S. W. Schmid , L. Pósa , T. N. Török , B. Sánta , Z. Pollner , G. Molnár , Y. Horst , J. Volk , J. Leuthold , A. Halbritter , M. Csontos

Recent experiments suggest that atomic disordering dynamics are more universal than conventional coherent processes in photoinduced phase transitions (PIPTs), yet its mechanism remains unclear. Using real-time time-dependent density…

Materials Science · Physics 2025-05-07 Wen-Hao Liu , Feng-Wu Guo , Lin-Wang Wang , Jun-Wei Luo

We develop a real space theory of the voltage bias driven transition from a Mott insulator to a correlated metal. Within our Keldysh mean field approach the problem reduces to a self-consistency scheme for the charge and spin profiles in…

Strongly Correlated Electrons · Physics 2020-07-01 Arijit Dutta , Pinaki Majumdar

We studied the transmittance and reflectance of the low-dimensional Mott-Hubbard insulator TiOCl in the infrared and visible frequency range as a function of pressure. The strong suppression of the transmittance and the abrupt increase of…

Strongly Correlated Electrons · Physics 2012-06-05 C. A. Kuntscher , S. Frank , A. Pashkin , M. Hoinkis , M. Klemm , M. Sing , S. Horn , R. Claessen

The insulator-to-metal transition (IMT) in vanadium dioxide (VO2) has garnered extensive attention for its potential applications in ultrafast switches, neuronal network architectures, and storage technologies. However, a significant…

Materials Science · Physics 2025-01-07 Feng-Wu Guo , Wen-Hao Liu , Zhi Wang , Shu-Shen Li , Lin-Wang Wang , Jun-Wei Luo

We report numerical and experimental investigations into modulation instability in a nonlinear magnetoinductive waveguide. By numerical simulation we find that modulation instability occurs in an electrical circuit model of a…

Optics · Physics 2013-05-28 Yasuhiro Tamayama , Toshihiro Nakanishi , Masao Kitano

We give a minimal holographic model of a disorder-driven metal-insulator transition. It consists in a CFT with a charge sector and a translation-breaking sector that interact in the most generic way allowed by the symmetries and by…

High Energy Physics - Theory · Physics 2017-02-01 Matteo Baggioli , Oriol Pujolas

Motivated by the resistive switchings in transition-metal oxides (TMOs) induced by a voltage bias, we study the far-from-equilibrium dynamics of an electric-field-driven strongly-correlated model featuring a first-order insulator-to-metal…

Strongly Correlated Electrons · Physics 2023-05-26 Manuel I. Díaz , Jong E. Han , Camille Aron

Magnetic fluctuations in transition metal oxides are a subject of intensive research because of the key role they are expected to play in the transition from the Mott insulator to the unconventional metallic phase of these materials, and…

Strongly Correlated Electrons · Physics 2016-01-06 J. Gunasekera , L. Harriger , A. Dahal , T. Heitmann , G. Vignale , D. K. Singh