中文
相关论文

相关论文: Two-dimensional Stoner transitions beyond mean-fie…

200 篇论文

Motivated by impurity-induced magnetic ordering phenomena in spin-gap materials like TlCuCl3, we develop a mean-field theory for strongly disordered antiferromagnets, designed to capture the broad distribution of coupling constants in the…

强关联电子 · 物理学 2007-05-23 Heidrun Weber , Matthias Vojta

Using the gauge/gravity duality, we investigate the evolution of an out-of-equilibrium strongly-coupled plasma from the viewpoint of the two-point function of scalar gauge-invariant operators with large conformal dimension. This system is…

高能物理 - 理论 · 物理学 2017-09-13 L. Shahkarami , H. Ebrahim , M. Ali-Akbari , F. Charmchi

We investigate the 3-dimensional Edwards-Anderson spin glass model at low temperature on simple cubic lattices of sizes up to L=12. Our findings show a strong continuity among T>0 physical features and those found previously at T=0, leading…

无序系统与神经网络 · 物理学 2009-11-07 E. Marinari , O. C. Martin , F. Zuliani

Experiments on a constant-density two-dimensional hole system in a GaAs quantum well reveal that the metallic behavior observed in the zero-magnetic-field temperature dependence of the resistivity depends on the symmetry of the confinement…

介观与纳米尺度物理 · 物理学 2009-10-31 S. J. Papadakis , E. P. De Poortere , H. C. Manoharan , M. Shayegan , R. Winkler

We study the two-dimensional paramagnetic Anderson-Hubbard model using an extension of dynamical mean-field theory that allows us to treat disorder and strong electronic correlations on equal footing. We investigate the scaling of the…

强关联电子 · 物理学 2009-11-13 Yun Song , R. Wortis , W. A. Atkinson

For about twenty years, it has been the prevailing view that there can be no metallic state or metal-insulator transition in two dimensions in zero magnetic field. In the last several years, however, unusual behavior suggestive of such a…

强关联电子 · 物理学 2007-05-23 E. Abrahams , S. V. Kravchenko , M. P. Sarachik

We consider the phase behavior of two-dimensional ($2D$)system of particles with an isotropic core-softened potential introduced in our previous publications. As one can expect from the qualitative consideration for the three dimensional…

软凝聚态物质 · 物理学 2015-06-18 D. E. Dudalov , Yu. D. Fomin , E. N. Tsiok , V. N. Ryzhov

We consider a generic two-dimensional system of fermionic particles with attractive interactions and no disorder. If time-reversal symmetry is absent, it is possible to obtain incompressible insulating states in addition to the superfluid…

超导电性 · 物理学 2012-06-12 Predrag Nikolic

The Horndeski scalar-tensor theory and its recent extensions allow nonlinear derivative interactions of the scalar degree of freedom. We study the matter bispectrum of large scale structure as a probe of these modified gravity theories,…

宇宙学与河外天体物理 · 物理学 2018-05-30 Shin'ichi Hirano , Tsutomu Kobayashi , Hiroyuki Tashiro , Shuichiro Yokoyama

We propose to engineer time-reversal-invariant topological insulators in two-dimensional (2D) crystals of transition metal dichalcogenides (TMDCs). We note that, at low doping, semiconducting TMDCs under shear strain will develop…

介观与纳米尺度物理 · 物理学 2014-08-13 M. A. Cazalilla , H. Ochoa , F. Guinea

Recent works on hard spheres in the limit of infinite dimensions revealed that glass states, envisioned as meta-basins in configuration space, can break up in a multitude of separate basins at low enough temperature or high enough pressure,…

无序系统与神经网络 · 物理学 2015-06-23 Pierfrancesco Urbani , Giulio Biroli

Electrons hopping in two-dimensional honeycomb lattices possess a valley degree of freedom in addition to charge and spin. In the absence of inversion symmetry, these systems were predicted to exhibit opposite Hall effects for electrons…

Entanglement phase transitions in quantum chaotic systems subject to projective measurements and in random tensor networks have emerged as a new class of critical points separating phases with different entanglement scaling. We propose a…

统计力学 · 物理学 2020-08-12 Javier Lopez-Piqueres , Brayden Ware , Romain Vasseur

Two-dimensional (2D) turbulence, despite being an idealization of real flows, is of fundamental interest as a model of the spontaneous emergence of order from chaotic flows. The emergence of order often displays critical behavior, whose…

流体动力学 · 物理学 2025-03-21 Filip Novotný , Marek Talíř , Šimon Midlik , Emil Varga

Given any two forests with the same degree sequence, we show in an algorithmic way that one can be transformed into the other by a sequence of 2-switches in such a way that all the intermediate graphs of the transformation are forests. We…

组合数学 · 数学 2020-04-24 Daniel A. Jaume , Adrián Pastine , Victor Nicolas Schvöllner

We study the overdamped motion of a Brownian particle in a driven double-well system to understand various physical phenomena observed experimentally. These phenomena include hysteresis, stochastic resonance, and net unidirectional motion…

凝聚态物理 · 物理学 2015-06-25 Mangal C. Mahato , A. M. Jayannavar

Systems with dipole moment conservation have been of recent interest, as they realize both novel quantum dynamics and exotic ground state phases. In this work, we study some generic properties of 1-D and 2-D dipole-conserving fermionic…

强关联电子 · 物理学 2024-03-29 Amogh Anakru , Zhen Bi

We develop a theory for optical Faraday rotation noise in two-dimensional Dirac materials. In contrast to spin noise in conventional semiconductors, we find that the Faraday rotation fluctuations are influenced not only by spins but also…

介观与纳米尺度物理 · 物理学 2015-06-18 Wang-Kong Tse , A. Saxena , D. L. Smith , N. A. Sinitsyn

Melting in two-dimensional systems has remained controversial as theory, simulations, and experiments show contrasting results. One issue that obscures this discussion is whether or not theoretical predictions on strictly 2D systems…

软凝聚态物质 · 物理学 2014-07-11 Weikai Qi , Anjan P. Gantapara , Marjolein Dijkstra

A microscopic model is constructed which is able to describe multiple magnetic flux transitions as observed in recent ultra-low temperature tunnel experiments on an aluminum superconducting ring with normal metal - insulator -…

超导电性 · 物理学 2009-11-11 D. Y. Vodolazov , F. M. Peeters , T. T. Hongisto , A. Yu. Arutyunov