Pregled bibliografske jedinice broj: 428155
Incoherent transport induced by a single static impurity in a Heisenberg chain
Incoherent transport induced by a single static impurity in a Heisenberg chain // Physical Review B - Condensed Matter and Materials Physics, 80 (2009), 12; 125118-1 doi:10.1103/PhysRevB.80.125118 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 428155 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Incoherent transport induced by a single static impurity in a Heisenberg chain
Autori
Barišić, Osor Slaven ; Prelovšek, Peter ; Metavitsiadis, Alexandros ; Zotos, Xenofon
Izvornik
Physical Review B - Condensed Matter and Materials Physics (1098-0121) 80
(2009), 12;
125118-1
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
transport; impurity; Heisenberg chain;
Sažetak
The effect of a single static impurity on the many-body states and on the spin and thermal transport in the one-dimensional anisotropic Heisenberg chain at finite temperatures is studied. Whereas the pure Heisenberg model reveals Poisson level statistics and dissipationless transport due to integrability, we show using the numerical approach that a single impurity induces Wigner-Dyson level statistics and at high enough temperature incoherent transport within the chain, whereby the relaxation time and d.c. conductivity scale linearly with length.
Izvorni jezik
Engleski
Znanstvena područja
Fizika
POVEZANOST RADA
Projekti:
035-0000000-3187 - Kriticne pojave i sustavi izvan ravnoteze (Uzelac, Katarina, MZOS ) ( CroRIS)
Ustanove:
Institut za fiziku, Zagreb
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
