چکیده

Recent developments of relativistic heavy-ion colliders are focusing on studying the QCD phase transitions. Despite many efforts done in this field, there are still many unknown issues either theoretically or experimentally. Particularly on the theoretical side, we don t know exactly how valid the hydrodynamic is. We examine the reliability of hydrodynamics series of a strongly-interacting matter that is dual to a type IIB-supergravity model at finite temperature and chemical potential and it has a second-order phase transition on a critical point of the parameter space. This work is done by complexifying the momentum in the quasi-normal mode spectrum of the bulk perturbations. We find that near this critical point, the radius of convergence of the hydrodynamics series shows a scaling behavior. We also derive the transport coefficients up to the third order in derivative expansion.

کليدواژه ها

Relativistic hydrodynamics, Holography, Phase transition, Critical behavior

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Farid Taghinavaz , 1400 , Investigating the critical behavior of hydrodynamic series by using holographic methods , اولین کنفرانس بین المللی هولوگرافی و کاربردهای آن