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3 papers
Relativistic Dispersion Spectra across Lorentz boosted frames: Spurious modes and the enigma of causality
Sayantani Bhattacharyya, Sukanya Mitra, Shuvayu Roy +1
The analysis of excitation spectra in gradient-expanded relativistic fluid theories frequently leads to pathologies under Lorentz boosts. However, extracting the dispersion modes i…
Field redefinition and its impact in relativistic hydrodynamics
Sayantani Bhattacharyya, Sukanya Mitra, Shuvayu Roy +1
In this paper, we explore the impact of field redefinition on the spectrum of linearized perturbations in relativistic hydrodynamics. We observe that the spectrum of hydrodynamics…
Relativistic fluid dynamics in a 'hydro' frame
Sayantani Bhattacharyya, Sukanya Mitra, Shuvayu Roy +1
In this letter, we investigate how field redefinition influences the spectrum of linearized perturbations in relativistic fluid dynamics. We show that the hydrodynamic modes do not…