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The Folded Spin-1/2 XXZ Model: II. Thermodynamics and Hydrodynamics with a Minimal Set of Charges

by Lenart Zadnik, Kemal Bidzhiev, Maurizio Fagotti

Submission summary

As Contributors: Maurizio Fagotti · Lenart Zadnik
Arxiv Link: https://arxiv.org/abs/2011.01159v3 (pdf)
Date accepted: 2021-03-23
Date submitted: 2021-02-10 16:41
Submitted by: Zadnik, Lenart
Submitted to: SciPost Physics
Academic field: Physics
Specialties:
  • Condensed Matter Physics - Theory
Approach: Theoretical

Abstract

We study the (dual) folded spin-1/2 XXZ model in the thermodynamic limit. We focus, in particular, on a class of local macrostates that includes Gibbs ensembles. We develop a thermodynamic Bethe Ansatz description and work out generalised hydrodynamics at the leading order. Remarkably, in the ballistic scaling limit the junction of two local macrostates results in a discontinuity in the profile of essentially any local observable.

Published as SciPost Phys. 10, 099 (2021)



Author comments upon resubmission

Dear Editor,

Thank you for sharing the referee reports, as well as for the Editorial recommendation. Per your request we have incorporated minor changes proposed in the recent referee report. For your convenience the changes are listed below.

Additional explanations and remarks on the referee reports are visible in the direct replies to their reports.

Yours sincerely,

The Authors

List of changes

(1) A short comment on the difference between the interaction and folded picture has been added at the end of the paragraph below Eq. (3).

(2) A very brief sketch of how to obtain the effective Hamiltonian has been added in a footnote.

(3) The indices that denote the spin up positions have been appropriately explained after Eq. (9).

(4) The caption of Fig. 8 has been corrected.


Reports on this Submission

Anonymous Report 2 on 2021-3-16 Invited Report

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I am happy with the replies of the authors and with the new version of the manuscript.

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Anonymous Report 1 on 2021-2-10 Invited Report

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The authors have satisfactory responded to the comments of both referees.

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