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Proposal for measuring the finite-temperature Drude weight of integrable systems
ID
Karrasch, Christoph
(
Avtor
),
ID
Prosen, Tomaž
(
Avtor
),
ID
Heidrich-Meisner, Fabian
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(471,79 KB)
MD5: EA2524AF254EB464828E0A1FF99E306D
PID:
20.500.12556/rul/e2086dd6-b920-4c8f-be61-c100ee8214a3
URL - Izvorni URL, za dostop obiščite
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.060406
Galerija slik
Izvleček
Integrable models such as the spin-1/2 Heisenberg chain, the Lieb-Liniger, or the one-dimensional Hubbard model are known to avoid thermalization, which was also demonstrated in several quantum-quench experiments. Another dramatic consequence of integrability is the zero-frequency anomaly in transport coefficients, which results in ballistic finite-temperature transport, despite the presence of strong interactions. While this aspect of nonergodic dynamics has been known for a long time, there has so far not been any unambiguous experimental realization thereof. We make a concrete proposal for the observation of ballistic transport via local quantum-quench experiments in fermionic quantum-gas microscopes. Such an experiment would also unveil the coexistence of ballistic and diffusive transport channels in one and the same system and provide a means of measuring finite-temperature Drude weights. The connection between local quenches and linear-response functions is established via time-dependent Einstein relations.
Jezik:
Angleški jezik
Ključne besede:
quantum mechanics
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FMF - Fakulteta za matematiko in fiziko
Status publikacije:
Objavljeno
Različica publikacije:
Recenzirani rokopis
Založnik:
American Physical Society
Leto izida:
2017
Št. strani:
Str. 060406-1-060406-6
Številčenje:
Vol. 95, iss. 6
PID:
20.500.12556/RUL-94325
UDK:
530.145
ISSN pri članku:
2469-9950
DOI:
10.1103/PhysRevB.95.060406
COBISS.SI-ID:
3106148
Avtorske pravice:
American Physical Society
Datum objave v RUL:
26.07.2017
Število ogledov:
1876
Število prenosov:
919
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Physical review
Založnik:
American Physical Society
ISSN:
2469-9950
COBISS.SI-ID:
2997348
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
kvantna mehanika
Projekti
Financer:
EC - European Commission
Program financ.:
H2020
Številka projekta:
694544
Naslov:
Open many-body non-equilibrium systems
Akronim:
OMNES
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