Charge transport and hydrodynamics in materials
As high-quality single-crystal materials used in electronic devices approach the microscale
and nanoscale, charge-transport phenomena in these devices result in inhomogeneous …
and nanoscale, charge-transport phenomena in these devices result in inhomogeneous …
Hydrodynamic electronic transport
The “flow” of electric currents and heat in standard metals is diffusive with electronic motion
randomized by impurities. However, for ultraclean metals, electrons can flow like water with …
randomized by impurities. However, for ultraclean metals, electrons can flow like water with …
Topologically crafted spatiotemporal vortices in acoustics
Vortices in fluids and gases have piqued the human interest for centuries. Development of
classical-wave physics and quantum mechanics highlighted wave vortices characterized by …
classical-wave physics and quantum mechanics highlighted wave vortices characterized by …
Observation of current whirlpools in graphene at room temperature
ML Palm, C Ding, WS Huxter, T Taniguchi, K Watanabe… - Science, 2024 - science.org
Electron–electron interactions in high-mobility conductors can give rise to transport
signatures resembling those described by classical hydrodynamics. Using a nanoscale …
signatures resembling those described by classical hydrodynamics. Using a nanoscale …
Imaging the breaking of electrostatic dams in graphene for ballistic and viscous fluids
The charge carriers in a material can, under special circumstances, behave as a viscous
fluid. In this work, we investigated such behavior by using scanning tunneling potentiometry …
fluid. In this work, we investigated such behavior by using scanning tunneling potentiometry …
Demonstration and imaging of cryogenic magneto-thermoelectric cooling in a van der Waals semimetal
Attaining viable thermoelectric cooling at cryogenic temperatures is of considerable
fundamental and technological interest for electronics and quantum materials applications …
fundamental and technological interest for electronics and quantum materials applications …
Designing turbulence with entangled vortices
Matter entanglement is a common chaotic structure found in both quantum and classical
systems. For classical turbulence, viscous vortices are like sinews in fluid flows, storing and …
systems. For classical turbulence, viscous vortices are like sinews in fluid flows, storing and …
Twisting vortex lines regularize Navier-Stokes turbulence
Fluid flows are intrinsically characterized via the topology and dynamics of underlying vortex
lines. Turbulence in common fluids like water and air, mathematically described by the …
lines. Turbulence in common fluids like water and air, mathematically described by the …
Linear-in-temperature conductance in two-dimensional electron fluids
Linear temperature dependence of transport coefficients in metals is often ascribed to non-
Fermi-liquid physics. Here we demonstrate the T-linear behavior of nonlocal conductivity in …
Fermi-liquid physics. Here we demonstrate the T-linear behavior of nonlocal conductivity in …
Electronic Poiseuille flow in hexagonal boron nitride encapsulated graphene field effect transistors
Electron-electron interactions in graphene are sufficiently strong to induce a correlated and
momentum-conserving flow such that charge carriers behave similarly to the Hagen …
momentum-conserving flow such that charge carriers behave similarly to the Hagen …