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相关论文: On the de Haas-van Alphen effect in inhomogeneous …

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In this proceedings paper we report on a calculation of graphene's Landau levels in a magnetic field. Our calculations are based on a self-consistent Hartree-Fock approximation for graphene's massless-Dirac continuum model. We find that…

介观与纳米尺度物理 · 物理学 2009-10-07 Yafis Barlas , Wei-Cheng Lee , Kentato Nomura , Allan H. MacDonald

With the recent observation of graphene-like Landau levels at the surface of topological insulators, the possibility of fractional quantum Hall effect, which is a fundamental signature of strong correlations, has become of interest. Some…

介观与纳米尺度物理 · 物理学 2013-05-21 Ashley M. DaSilva

Going beyond the linearized study has been a longstanding problem in the theory of Landau damping. In this paper we establish exponential Landau damping in analytic regularity. The damping phenomenon is reinterpreted in terms of transfer of…

偏微分方程分析 · 数学 2012-02-22 Clément Mouhot , Cédric Villani

We calculate the Landau levels of a Kramers-Weyl semimetal thin slab in a perpendicular magnetic field $B$. The coupling of Fermi arcs on opposite surfaces broadens the Landau levels with a band width that oscillates periodically in $1/B$.…

介观与纳米尺度物理 · 物理学 2020-09-10 G. Lemut , A. Donís Vela , M. J. Pacholski , J. Tworzydło , C. W. J. Beenakker

The incoherent dynamic structure factor of ortho-terphenyl has been measured by neutron time-of-flight and backscattering technique in the pressure range from 0.1 MPa to 240 MPa for temperatures between 301 K and 335 K. Tagged-particle…

统计力学 · 物理学 2011-04-05 A. Toelle , H. Schober , J. Wuttke , F. Fujara

We study the effects of mixing of different Landau levels on the energies of one-body states, in the presence of a strong uniform magnetic field and a random potential in two dimensions. We use a perturbative approach and develop a…

凝聚态物理 · 物理学 2009-10-28 F. D. M. Haldane , Kun Yang

One-dimensional self-gravitating systems admit genuine thermodynamical equilibria. For systems with strictly monotonic orbital frequency profile, the Landau and Balescu-Lenard theories predict a relaxation time scaling linearly with the…

星系天体物理 · 物理学 2026-03-13 Kerwann Tep , Jean-Baptiste Fouvry , Christophe Pichon

The effect of electronic band curvature, i.e. the deviation from parabolicity of electronic dispersion, on de Haas-van Alphen oscillations spectra is studied. Although the oscillations amplitude remain unaffected, it is demonstrated that…

介观与纳米尺度物理 · 物理学 2015-09-30 Jean-Yves Fortin , Alain Audouard

Random lasers are unique systems where lasing occurs due to repetitive scattering in a disordered nanostructure. Previous descriptions of random lasing are numerous, however a full time-dependent theory that describes the introduction of…

光学 · 物理学 2019-11-21 Zachariah Peterson

We propose that the super-Arrhenius relaxation rates observed in glassy materials are determined by thermally nucleated rearrangements of increasing numbers of molecules at decreasing temperatures. In our model of this mechanism,…

材料科学 · 物理学 2016-08-16 J. S. Langer , Anaël Lemaître

We study the limiting behavior of random lozenge tilings of the hexagon with a q-Racah weight as the size of the hexagon grows large. Based on the asymptotic behavior of the recurrence coefficients of the q-Racah polynomials, we give a new…

概率论 · 数学 2024-12-05 Maurice Duits , Erik Duse , Wenkui Liu

The lasing threshold of a random laser is computed numerically from a generic model. It is shown that spatial correlations of the disorder in the medium (i.e., dielectric constant) lead to an increase of the decay rates of the eigenmodes…

介观与纳米尺度物理 · 物理学 2009-11-10 Michael Patra

Certain non-uniform strain applied to graphene flakes has been shown to induce pseudo-Landau levels in the single-particle spectrum, which can be rationalized in terms of a pseudo-magnetic field for electrons near the Dirac points. However,…

介观与纳米尺度物理 · 物理学 2017-01-05 Stephan Rachel , Ilja Goethel , Daniel P. Arovas , Matthias Vojta

Tunneling and Coulomb drag are sensitive probes of spontaneous interlayer phase coherence in bilayer two-dimensional electron systems at total Landau level filling factor $\nu_T = 1$. We find that the phase boundary between the interlayer…

介观与纳米尺度物理 · 物理学 2009-11-10 I. B. Spielman , M. Kellogg , J. P. Eisenstein , L. N. Pfeiffer , K. W. West

Starting from the zero modes of the single and bilayer graphene Hamiltonians we develop a mechanism to construct the eigenstates and eigenenergies for Landau levels in noncommutative plane. General formulas for the spectrum of energies are…

高能物理 - 理论 · 物理学 2021-05-18 Lucas Sourrouille

High Entropy Alloys (HEAs) are designed by mixing multiple metallic species in nearly the same amount to obtain crystalline or amorphous materials with exceptional mechanical properties. Here we use molecular dynamics simulations to…

无序系统与神经网络 · 物理学 2023-03-17 Silvia Bonfanti , Roberto Guerra , Rene Alvarez-Donado , Pawel Sobkowicz , Stefano Zapperi , Mikko Alava

We provide an analytical description of the line broadening of HI absorbers in the Lyman-alpha forest resulting from Doppler broadening and Jeans smoothing. We demonstrate that our relation captures the dependence of the line-width on…

宇宙学与河外天体物理 · 物理学 2015-06-23 Antonella Garzilli , Tom Theuns , Joop Schaye

We point out that the instantaneous shear modulus of the shoving model for the non-Arrhenius temperature dependence of viscous liquids' relaxation time is the experimentally accessible high-frequency plateau modulus, not the idealized…

软凝聚态物质 · 物理学 2012-12-19 Jeppe C. Dyre , Wei Hua Wang

We studied the single dimer dynamics in a lattice diffusive model as a function of particle density in the high densification regime. The mean square displacement is found to be subdiffusive both in one and two dimensions. The spatial…

统计力学 · 物理学 2009-11-07 C. Fusco , P. Gallo , A. Petri , M. Rovere

In a recent paper we demonstrated how the simplest model for varying alpha may be interpreted as the effect of a dielectric material, generalized to be consistent with Lorentz invariance. Unlike normal dielectrics, such a medium cannot…

广义相对论与量子宇宙学 · 物理学 2015-09-03 John D. Barrow , Joao Magueijo