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Theory of hydrodynamic transport in fluctuating electronic charge density wave states
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
Number of Authors: 42017 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 96, no 19, article id 195128Article in journal (Refereed) Published
Abstract [en]

We describe the collective hydrodynamic motion of an incommensurate charge density wave state in a clean electronic system. Our description simultaneously incorporates the effects of both pinning due to weak disorder and also phase relaxation due to proliferating dislocations. We show that the interplay between these two phenomena has important consequences for charge and momentum transport. For instance, it can lead to metal-insulator transitions. We furthermore identify signatures of fluctuating density waves in frequency and spatially resolved conductivities. Phase disordering is well known to lead to a large viscosity. We derive a precise formula for the phase relaxation rate in terms of the viscosity in the dislocation cores. We thereby determine the viscosity of the superconducting state of BSCCO from the observed melting dynamics of Abrikosov lattices and show that the result is consistent with dissipation into Bogoliubov quasiparticles.

Place, publisher, year, edition, pages
2017. Vol. 96, no 19, article id 195128
Keywords [en]
Charge density waves, Conductivity, Disclinations & dislocations
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-149805DOI: 10.1103/PhysRevB.96.195128ISI: 000414955700005OAI: oai:DiVA.org:su-149805DiVA, id: diva2:1167378
Available from: 2017-12-18 Created: 2017-12-18 Last updated: 2017-12-18Bibliographically approved

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Delacrétaz, Luca V.Goutéraux, Blaise
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