Negative local resistance caused by viscous electron backflow in graphene
0301 basic medicine
0303 health sciences
Condensed Matter - Mesoscale and Nanoscale Physics
Strongly Correlated Electrons (cond-mat.str-el)
Theory of Condensed Matter
500
FOS: Physical sciences
Correlated Electron Systems / High Field Magnet Laboratory (HFML)
530
ResearchInstitutes_Networks_Beacons/national_graphene_institute; name=National Graphene Institute
3. Good health
Condensed Matter - Strongly Correlated Electrons
03 medical and health sciences
Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
TEMPERATURE
DOI:
10.1126/science.aad0201
Publication Date:
2016-02-12T05:23:23Z
AUTHORS (13)
ABSTRACT
Electrons that flow like a fluid
Electrons inside a conductor are often described as flowing in response to an electric field. This flow rarely resembles anything like the familiar flow of water through a pipe, but three groups describe counterexamples (see the Perspective by Zaanen). Moll
et al.
found that the viscosity of the electron fluid in thin wires of PdCoO
2
had a major effect on the flow, much like what happens in regular fluids. Bandurin
et al.
found evidence in graphene of electron whirlpools similar to those formed by viscous fluid flowing through a small opening. Finally, Crossno
et al.
observed a huge increase of thermal transport in graphene, a signature of so-called Dirac fluids.
Science
, this issue p.
1061
,
1055
,
1058
; see also p.
1026
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