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Related papers: Optical Shubnikov - de Haas oscillations in 2D ele…

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Despite several attempts, the intimate electronic structure of two-dimensional electron systems buried at the interface between LaAlO3 and SrTiO3 still remains to be experimentally revealed. Here, we investigate the transport properties of…

Magneto-transport measurements have been carried out on Bi2-xSbxSe3 (x = 0, 0.05, 0.1, 0.3, 0.5) single crystals at 4.2 K temperature in the magnetic field range of -15 T to 15 T. Shubnikov-de Haas (SdH) oscillations of 2D nature were…

Materials Science · Physics 2016-05-16 T. R. Devidas , E. P. Amaladass , Shilpam Sharma , Awadhesh Mani , R. Rajaraman , C. S. Sundar , A. Bharathi

We investigate the real-time dynamics of photoexcited electronic instabilities in a charge-transfer system model, using the time-dependent density matrix renormalization group method. The model of choice was the quarter-filled…

Strongly Correlated Electrons · Physics 2014-10-21 Julian Rincon , K. A. Al-Hassanieh , Adrian E. Feiguin , Elbio Dagotto

We show that properly detuning the carrier frequency of each of the criss-cross bichromatic waves from the transition frequency of the atom, it is possible to form a two-dimensional trap for atoms if the intensity of the waves is…

Analytical formulae for de Haas-van Alphen (dHvA) oscillations in linear chain of coupled two-dimensional (2D) orbits (Pippard's model) are derived systematically taking into account the chemical potential oscillations in magnetic field.…

We study the magnetoresistance, \delta\rho_{xx}(B)/\rho_0, of a high-mobility 2D electron gas in the domain of magnetic fields, B, intermediate between the weak localization and the Shubnikov-de Haas oscillations, where…

Mesoscale and Nanoscale Physics · Physics 2008-03-17 T. A. Sedrakyan , M. E. Raikh

The 2D second-mode is a potent instability in hypersonic boundary layers (HBLs). We study its linear and nonlinear evolution, followed by its role in transition and eventual breakdown of the HBL into a fully turbulent state. Linear…

Fluid Dynamics · Physics 2020-12-02 S. Unnikrishnan , Datta V. Gaitonde

Within the Schwinger-Keldysh formalism we derive a Ginzburg-Landau theory for the Bose-Hubbard model which describes the real-time dynamics of the complex order parameter field. Analyzing the excitations in the vicinity of the quantum phase…

Quantum Gases · Physics 2011-07-28 T. D. Grass , F. E. A. dos Santos , A. Pelster

Two-dimensional electron gases (2DEGs) in SrTiO$_3$ have become model systems for engineering emergent behaviour in complex transition metal oxides. Understanding the collective interactions that enable this, however, has thus far proved…

Strongly Correlated Electrons · Physics 2014-09-09 P. D. C. King , S. McKeown Walker , A. Tamai , A. de la Torre , T. Eknapakul , P. Buaphet , S. -K. Mo , W. Meevasana , M. S. Bahramy , F. Baumberger

For the reduced two-dimensional Belousov-Zhabotinsky slow-fast differential system, the known results are the existence of one limit cycle and its stability for particular values of the parameters. Here, we characterize all dynamics of this…

Dynamical Systems · Mathematics 2023-12-07 Ruihan Xu , Ming Sun , Xiang Zhang

We investigate the existence of dS vacua in supersymmetry-breaking Scherk-Schwarz toroidal compactifications of type II string theory, using the well-understood ingredients of curvature, fluxes and 1-loop Casimir energy. Starting from the…

High Energy Physics - Theory · Physics 2024-07-25 Susha Parameswaran , Marco Serra

In this work we provide an exact and efficient numerical approach to simulate multi-time correlation functions in the Mahan-Nozi\`{e}res-De Dominicis model, which crudely mimics the spectral properties of doped two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2022-06-07 Lachlan P Lindoy , Yao-Wen Chang , David R Reichman

We consider the problem of embedding a dynamic network, to obtain time-evolving vector representations of each node, which can then be used to describe changes in behaviour of individual nodes, communities, or the entire graph. Given this…

Machine Learning · Statistics 2022-01-21 Ian Gallagher , Andrew Jones , Patrick Rubin-Delanchy

The well-known Stokes waves refer to periodic traveling waves under the gravity at the free surface of a two dimensional full water wave system. In this paper, we prove that small-amplitude Stokes waves with infinite depth are nonlinearly…

Analysis of PDEs · Mathematics 2021-01-01 Gong Chen , Qingtang Su

In the following we consider a 2-dimensional system of ODE's containing quasiperiodic terms. The system is proposed as an extension of Mathieu-type equations to higher dimensions, with emphasis on how resonance between the internal…

Dynamical Systems · Mathematics 2012-03-13 Thomas Waters

We use magneto-transport measurements to investigate the electronic structure of WTe2 single crystals. A non-saturating and parabolic magnetoresistance is observed in the temperature range between 2.5 to 200 K and magnetic fields up to 8 T.…

Materials Science · Physics 2015-11-30 Fei-Xiang Xiang , Menno Veldhorst , Shi-Xue Dou , Xiao-Lin Wang

We report magnetoresistance oscillations in high magnetic fields, B, up to 45 T and over a wide range of temperature in the Mott-like system Ca3Ru2O7. For B rotating within the ac-plane, slow and strong Shubnikov-de Haas (SdH) oscillations…

Strongly Correlated Electrons · Physics 2009-11-11 V. Durairaj , X. N. Lin , Z. X. Zhou , S. Chikara , E. Ehami , A. Douglass , P. Schlottmann , G. Cao

We report on an anomalous behavior of the spin-splitting zeros in the de Haas-van Alphen (dHvA) signal of a quasi-two-dimensional organic superconductor. The zeros as well as the angular dependence of the amplitude of the second harmonic…

Strongly Correlated Electrons · Physics 2008-08-27 J. Wosnitza , V. M. Gvozdikov , J. Hagel , P. J. Meeson , J. A. Schlueter , R. W. Winter , G. L. Gard

We consider settings providing the existence of stable two-dimensional (2D) dissipative solitons with zero and nonzero vorticity in optical media with the quadratic ($\chi^{(2)}$) nonlinearity. To compensate the spatially uniform loss in…

Studying materials under extreme pressure in diamond anvil cells (DACs) is key to discovering new states of matter, yet no method currently allows the direct measurement of the electronic structure in this environment. Solid-state high…