SciPost Phys. 8, 041 (2020) ·
published 13 March 2020
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We present an open-source Matlab framework, titled iFluid, for simulating the
dynamics of integrable models using the theory of generalized hydrodynamics
(GHD). The framework provides an intuitive interface, enabling users to define
and solve problems in a few lines of code. Moreover, iFluid can be extended to
encompass any integrable model, and the algorithms for solving the GHD
equations can be fully customized. We demonstrate how to use iFluid by solving
the dynamics of three distinct systems: (i) The quantum Newton's cradle of the
Lieb-Liniger model, (ii) a gradual field release in the XXZ-chain, and (iii) a
partitioning protocol in the relativistic sinh-Gordon model.
