53 citations · 441 across the 25 of their papers we have counts for
25 papers
Giant magnetoresistance in weakly disordered non-Galilean invariant conductors
Alex Levchenko, Songci Li, A. V. Andreev
We develop a hydrodynamic description of electron magnetotransport in conductors without Galilean invariance in the presence of a weak long-range disorder potential. We show that m…
Optical conductivity of a metal near an Ising-nematic quantum critical point
Songci Li, Prachi Sharma, Alex Levchenko +1
We study the optical conductivity of a pristine two-dimensional electron system near an Ising-nematic quantum critical point. We discuss the relation between the frequency scaling…
Anomalous Josephson effect in planar noncentrosymmetric superconducting devices
Jaglul Hasan, Konstantin N. Nesterov, Songci Li +3
In two-dimensional electron systems with broken inversion and time-reversal symmetries, a Josephson junction reveals an anomalous response: the supercurrent is nonzero even at zero…
Hydrodynamic magnetoresistance in graphene Corbino devices
Alex Levchenko, Songci Li, A. V. Andreev
We study hydrodynamic electron magnetotransport in graphene devices. We show that in these systems a distinct mechanism of magnetoresistance appears, which is absent in systems wit…
Fluctuation-driven thermal transport in graphene double-layers at charge neutrality
Alex Levchenko, Songci Li, A. V. Andreev
We develop a theory of fluctuation-driven phenomena in thermal transport in graphene double-layers. We work in the regime of electron hydrodynamics and focus on the double charge n…
Nonlocal thermoelectric resistance in vortical viscous transport
Songci Li, Alex Levchenko
The pursuit for clearly identifiable signatures of viscous electron flow in the solid state systems has been a paramount task in the search of the hydrodynamic electron transport b…
Hydrodynamic electron transport in graphene Hall-bar devices
Songci Li, A. V. Andreev, Alex Levchenko
We consider hydrodynamic electron transport in the Hall-bar geometry. The theory is developed for systems with non-Galilean-invariant electron liquids. We show that inhomogeneity o…
Hydrodynamic thermoelectric transport in Corbino geometry
Songci Li, Alex Levchenko, A. V. Andreev
We study hydrodynamic electron transport in Corbino graphene devices. Due to the irrotational character of the flow, the forces exerted on the electron liquid are expelled from the…
Imaging the breaking of electrostatic dams in graphene for ballistic and viscous fluids
Zachary J. Krebs, Wyatt A. Behn, Songci Li +5
The flow of charge carriers in materials can, under some circumstances, mimic the flow of viscous fluids. In order to visualize the consequences of such effects, new methodologies…
Conformal maps of viscous electron flow in the Gurzhi crossover
Songci Li, Maxim Khodas, Alex Levchenko
We investigate the impact of geometric constriction on the viscous flow of electron liquid through quantum point contacts. We provide analysis on the electric potential distributio…
Qualifying ringdown and shadow of black holes under general parametrized metrics with photon orbits
Song Li, Ahmadjon A. Abdujabbarov, Wen-Biao Han
The motion of photons around black holes determines the shape of shadow and match the ringdown properties of a perturbed black hole. Observations of shadows and ringdown waveforms…
Magnon hybridization in ferrimagnetic heterostructures
Song Li, Ka Shen, Ke Xia
We study magnon hybridization in a ferrimagnetic heterostructure consisting of ultrathin gadolinium iron garnet and yttrium iron garnet layers and show the localized and extended s…
Fluctuational Anomalous Hall and Nernst Effects in Superconductors
Songci Li, Alex Levchenko
In this work we develop microscopic kinetic theory of the anomalous Hall and Nernst effects in superconductors induced by fluctuations in the vicinity of the critical transition te…
Temperature Dependence of the Anomalous Hall Effect from Electron Interactions
Songci Li, Alex Levchenko
We consider the impact of electron-electron interactions on the temperature dependence of the anomalous Hall effect in disordered conductors. The microscopic analysis is carried ou…
Lorentz ratio of a compensated metal
Songci Li, Dmitrii L. Maslov
A violation of the Wiedemann-Franz law in a metal can be quantified by comparing the Lorentz ratio, , where is the thermal conductivity and is the electrical resist…
Interfacial spin Hall effect and spin swapping in Fe|Au bilayer from first principles
Song Li, Ka Shen, Ke Xia
The interfaces in hybridized structures could give rise to rich phenomena, which open the way to novel devices with extraordinary performance. Here, we investigate the interface-re…
Klein tunneling and magnetoresistance of \textit{p-n} junctions in Weyl semimetals
Songci Li, A. V. Andreev, B. Z. Spivak
We study the zero temperature conductance and magnetoconductance of ballistic \textit{p-n} junctions in Weyl semimetals. Electron transport is mediated by Klein tunneling between \…
Polarization-dependent photocurrents in polar stacks of van der Waals solids
Y. B. Lyanda-Geller, Songci Li, A. V. Andreev
Monolayers of semiconducting van der Waals solids, such as transition metal dichalcogenides (TMDs), acquire significant electric polarization normal to the layers when placed on a…
Anomalous Transport Phenomena in Superconductors
Songci Li, A. V. Andreev, B. Z. Spivak
Spontaneous breaking of time-reversal symmetry in superconductors with the symmetry of the order parameter allows for a class of effects which are analogous to the anoma…
Spiraling Fermi arcs in Weyl materials
Songci Li, A. V. Andreev
In Weyl materials the valence and conduction electron bands touch at an even number of isolated points in the Brillouin zone. In the vicinity of these points the electron dispersio…
Generalized Lüscher's Formula in Multichannel Baryon-Baryon Scattering
Ning Li, Song-Yuan Li, Chuan Liu
In this paper, Lüscher's formula is generalized to the case of two spin- particles in two-channel scattering based on Ref. \cite{Li:2012bi}. This is first done in a no…
Universal critical properties of the Eulerian bond-cubic model
Cheng-Xiang Ding, Gui-Yuan Yao, Song Li +2
We investigate the Eulerian bond-cubic model on the square lattice by means of Monte Carlo simulations, using an efficient cluster algorithm and a finite-size scaling analysis. The…
Dark Energy Interacting with Dark Matter in Classical Einstein and Loop Quantum Cosmology
Song Li, Yongge Ma
The cosmological model of dark energy interacting with cold dark matter without coupling to the baryonic matter, is studied in the background of both classical Einstein and loop qu…
Five-dimensional metric gravity and the accelerated universe
Biao Huang, Song Li, Yongge Ma
The metric theories of gravity are generalized to five-dimensional spacetimes. By assuming a hypersurface-orthogonal Killing vector field representing the compact fifth dime…