The spin Drude weight of the XXZ chain and generalized hydrodynamics
Based on a generalized free energy we derive exact thermodynamic Bethe ansatz formulas for the expectation value of the spin current, the spin current-charge, charge-charge correlators, and consequently the Drude weight. These formulas agree with recent conjectures within the generalized hydrody...
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| Format: | Article |
| Language: | English |
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SciPost
2019-01-01
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| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.6.1.005 |