Charge transport and hydrodynamics in materials

G Varnavides, A Yacoby, C Felser… - Nature Reviews Materials, 2023 - nature.com
As high-quality single-crystal materials used in electronic devices approach the microscale
and nanoscale, charge-transport phenomena in these devices result in inhomogeneous …

Applications of graphene in five senses, nervous system, and artificial muscles

J Pang, S Peng, C Hou, H Zhao, Y Fan, C Ye… - ACS …, 2023 - ACS Publications
Graphene remains of great interest in biomedical applications because of biocompatibility.
Diseases relating to human senses interfere with life satisfaction and happiness. Therefore …

Direct observation of vortices in an electron fluid

A Aharon-Steinberg, T Völkl, A Kaplan, AK Pariari… - Nature, 2022 - nature.com
Vortices are the hallmarks of hydrodynamic flow. Strongly interacting electrons in ultrapure
conductors can display signatures of hydrodynamic behaviour, including negative non-local …

Fracton hydrodynamics

A Gromov, A Lucas, RM Nandkishore - Physical Review Research, 2020 - APS
We introduce new classes of hydrodynamic theories inspired by the recently discovered
fracton phases of quantum matter. Fracton phases are characterized by elementary …

Imaging phonon-mediated hydrodynamic flow in WTe2

U Vool, A Hamo, G Varnavides, Y Wang, TX Zhou… - Nature Physics, 2021 - nature.com
In the presence of interactions, electrons in condensed-matter systems can behave
hydrodynamically, exhibiting phenomena associated with classical fluids, such as vortices …

Imaging hydrodynamic electrons flowing without Landauer–Sharvin resistance

C Kumar, J Birkbeck, JA Sulpizio, D Perello… - Nature, 2022 - nature.com
Electrical resistance usually originates from lattice imperfections. However, even a perfect
lattice has a fundamental resistance limit, given by the Landauer conductance caused by a …

Hydrodynamic electronic transport

L Fritz, T Scaffidi - Annual Review of Condensed Matter Physics, 2024 - annualreviews.org
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 …

Nanoscale magnetic field imaging for 2D materials

E Marchiori, L Ceccarelli, N Rossi, L Lorenzelli… - Nature Reviews …, 2022 - nature.com
Nanoscale magnetic imaging can provide microscopic information about length scales,
inhomogeneity and interactions of materials systems. As such, it is a powerful tool to probe …

Emergent hydrodynamics in a strongly interacting dipolar spin ensemble

C Zu, F Machado, B Ye, S Choi, B Kobrin, T Mittiga… - Nature, 2021 - nature.com
Conventional wisdom holds that macroscopic classical phenomena naturally emerge from
microscopic quantum laws,,,,,–. However, despite this mantra, building direct connections …

Nanoscale covariance magnetometry with diamond quantum sensors

J Rovny, Z Yuan, M Fitzpatrick, AI Abdalla, L Futamura… - Science, 2022 - science.org
Nitrogen vacancy (NV) centers in diamond are atom-scale defects that can be used to sense
magnetic fields with high sensitivity and spatial resolution. Typically, the magnetic field is …