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52 papers · 1 filter
Carroll hydrodynamics with spin
Ashish Shukla, Rajeev Singh, Pushkar Soni
We formulate Carroll hydrodynamics with the inclusion of a spin current. Our strategy relies on the fact that the limit of relativistic hydrodynamics yields the equations…
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…
Thermodynamics of rotating fermions
Victor E. Ambrus, Aleksandar Gecić
We consider the thermodynamic properties of a rotating gas of free fermions. We begin by constructing the thermodynamic potential and its associated current within the gr…
A new scale anomaly in Dirac matter
Matteo Baggioli, Maxim N. Chernodub, Karl Landsteiner +2
The dynamics of Dirac semimetals is modeled at low energies by the massless Dirac Hamiltonian with the Fermi velocity replacing the velocity of light. The classical action is scale…
Dirac fermions under imaginary rotation
Tudor Pătuleanu, Amalia Dariana Fodor, Victor E. Ambrus +1
In the present study, we investigate the properties of an ensemble of free Dirac fermions, at finite inverse temperature and finite chemical potential , undergoing rigid rot…
Pseudo-real quantum fields
Maxim N. Chernodub, Peter Millington, Esra Sablevice
We introduce the concept of pseudo-reality for complex numbers. We show that this concept, applied to quantum fields, provides a unifying framework for two distinct approaches to p…