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Favourable band alignment and excellent visible light response are vital for photochemical water splitting. In this work, we have theoretically investigated how ferroelectric polarization and its reversibility in direction can be utilized…

应用物理 · 物理学 2020-09-03 Dimuthu Wijethunge , Lei Zhang , Cheng Tang , Aijun Du

We disclose the effects of the logarithmic nonlinear electrodynamics on the holographic conductivity of Lifshitz dilaton black holes/branes. We analyze thermodynamics of these solutions as a necessary requirement for applying gauge/gravity…

高能物理 - 理论 · 物理学 2016-05-25 A. Dehyadegari , A. Sheykhi , M. Kord Zangeneh

We formulate a theory of dissipative hydrodynamics with spontaneously broken translations, describing charge density waves in a clean isotropic electronic crystal. We identify a novel linear transport coefficient, lattice pressure,…

高能物理 - 理论 · 物理学 2020-07-01 Jay Armas , Akash Jain

Using the bottom-up approach in a holographic setting, we attempt to study both the transport and thermodynamic properties of a generic system in 3+1 dimensional bulk spacetime. We show the exact 1/T and $T^2$ dependence of the longitudinal…

高能物理 - 理论 · 物理学 2013-05-29 Shesansu Sekhar Pal

We study topological modes in relativistic hydrodynamics by weakly breaking the conservation of energy momentum tensor. Several systems have been found to have topologically nontrivial crossing nodes in the spectrum of hydrodynamic modes…

高能物理 - 理论 · 物理学 2022-04-29 Yan Liu , Ya-Wen Sun

The Luttinger liquid (LL) model of one-dimensional (1D) electronic systems provides a powerful tool for understanding strongly correlated physics including phenomena such as spin-charge separation. Substantial theoretical efforts have…

We systematically present a new approach for studying the coupled linear transport of holographic systems. In this approach, the set of equations for the linear perturbations can be reduced to a first-order nonlinear ordinary differential…

高能物理 - 理论 · 物理学 2017-08-30 Yu Tian , Xian-Hui Ge , Shao-Feng Wu

Within holography the DC conductivity can be obtained by solving a system of Stokes equations for an auxiliary fluid living on the black hole horizon. We show that these equations can be derived from a novel variational principle involving…

高能物理 - 理论 · 物理学 2017-08-02 Aristomenis Donos , Jerome P. Gauntlett , Tom Griffin , Nakarin Lohitsiri , Luis Melgar

We propose an extension to recently developed Relativistic Lattice Boltzmann solvers (RLBM), which allows the simulation of flows close to the free streaming limit. Following previous works [Phys. Rev. C 98 (2018) 035201], we use product…

流体动力学 · 物理学 2021-02-17 Lorenzo Bazzanini , Alessandro Gabbana , Daniele Simeoni , Sauro Succi , Raffaele Tripiccione

Superconformal extensions of the perfect fluid equations, which realize $N=1,2$ Schrodinger superalgebra, are constructed within the Hamiltonian formalism. They are built by introducing real (for $N=1$) or complex (for $N=2$) anticommuting…

高能物理 - 理论 · 物理学 2025-12-02 Timofei Snegirev

We consider the nonlinear Schrodinger equation with cubic (focusing or defocusing) nonlinearity on the multidimensional torus. For special small initial data containing only five modes, we exhibit a countable set of time layers in which…

偏微分方程分析 · 数学 2026-05-22 Remi Carles , Erwan Faou

Many variants of Optimal Transport (OT) have been developed to address its heavy computation. Among them, notably, Sliced Wasserstein (SW) is widely used for application domains by projecting the OT problem onto one-dimensional lines, and…

机器学习 · 计算机科学 2025-06-10 Viet-Hoang Tran , Trang Pham , Tho Tran , Minh Khoi Nguyen Nhat , Thanh Chu , Tam Le , Tan M. Nguyen

We derive all the dynamical second order transport coefficients for Dp-brane with $p$ from 1 to 6 within the framework of fluid/gravity correspondence in this paper. The D5 and D6-brane do not have dual relativistic fluids; D3-brane…

高能物理 - 理论 · 物理学 2021-01-01 Chao Wu

We systematically derived hydrodynamic equations and transport coefficients for a class of multi-speed lattice Boltzmann models in D dimensions, using the multi-scale technique. The constitutive relation of physical fluid is recovered by a…

comp-gas · 物理学 2008-02-03 Yu Chen , Hirotada Ohashi , Mamoru Akiyama

We consider the transport of conserved charges in spatially inhomogeneous quantum systems with a discrete lattice symmetry. We analyse the retarded two point functions involving the charge and the associated currents at long wavelengths,…

高能物理 - 理论 · 物理学 2017-12-20 Aristomenis Donos , Jerome P. Gauntlett , Vaios Ziogas

We use `generalized dimensional reduction' to relate a specific Einstein-Maxwell-Dilaton (EMD) theory, including two gauge fields, three neutral scalars and an axion, to higher-dimensional AdS gravity (with no higher-dimensional Maxwell…

高能物理 - 理论 · 物理学 2015-06-12 Milena Smolic

The strongly-coupled 3-dimensional theory, holographically dual to black branes at fixed chemical potential $\muext$ and temperature $T \ll \mu$ is considered in AdS$_4$ Einstein-Maxwell theory. The retarded Green's functions at frequency…

高能物理 - 理论 · 物理学 2026-03-05 Alexandros Kanargias , Elias Kiritsis , Sameer Murthy , Olga Papadoulaki , Achilleas P. Porfyriadis

Surfaces and interfaces offer new possibilities for tailoring the many-body interactions that dominate the electrical and thermal properties of transition metal oxides. Here, we use the prototypical two-dimensional electron liquid (2DEL) at…

Low dimensional materials provide the possibility of improved thermoelectric performance due to the additional length scale degree of freedom for engineering their electronic and thermal properties. As a result of suppressed phonon…

介观与纳米尺度物理 · 物理学 2010-06-23 Neophytos Neophytou , Martin Wagner , Hans Kosina , Siegfried Selberherr

We demonstrate that relativistic conformal hydrodynamics in 2+1 dimensions displays a turbulent behaviour which cascades energy to longer wavelengths on both flat and spherical manifolds. Our motivation for this study is to understand the…

高能物理 - 理论 · 物理学 2013-05-30 Federico Carrasco , Luis Lehner , Robert C. Myers , Oscar Reula , Ajay Singh