244 citations · 1.8k across the 32 of their papers we have counts for
35 papers
Causal and stable first-order chiral hydrodynamics
Nick Abboud, Enrico Speranza, Jorge Noronha
We derive the set of inequalities that is necessary and sufficient for nonlinear causality and linear stability of first-order relativistic hydrodynamics with either a con…
Quantum kinetic theory with interactions for massive vector bosons
David Wagner, Nora Weickgenannt, Enrico Speranza
We present a derivation of quantum kinetic theory for massive spin-1 particles from the Wigner-function formalism up to first order in an -expansion, including a general int…
Long Range Plan: Dense matter theory for heavy-ion collisions and neutron stars
Alessandro Lovato, Travis Dore, Robert D. Pisarski +61
Since the release of the 2015 Long Range Plan in Nuclear Physics, major events have occurred that reshaped our understanding of quantum chromodynamics (QCD) and nuclear matter at l…
Freezing-In Gravitational Waves
Jacopo Ghiglieri, Jan Schütte-Engel, Enrico Speranza
The thermal plasma in the early universe produced a stochastic gravitational wave (GW) background, which peaks today in the microwave regime and was dubbed the cosmic gravitational…
QCD Phase Structure and Interactions at High Baryon Density: Continuation of BES Physics Program with CBM at FAIR
D. Almaalol, M. Hippert, J. Noronha-Hostler +41
We advocate for an active US participation in the international collaboration of the CBM experiment that will allow the US nuclear physics program to build on its successful explor…
Relativistic dissipative spin hydrodynamics from kinetic theory with a nonlocal collision term
Nora Weickgenannt, David Wagner, Enrico Speranza +1
We derive relativistic dissipative spin hydrodynamics from kinetic theory featuring a nonlocal collision term using the method of moments. In this framework, the components of the…
Kinetic theory for massive spin-1 particles
David Wagner, Nora Weickgenannt, Enrico Speranza
We calculate the Wigner function for charged spin-1 particles in inhomogeneous classical electromagnetic fields, going to first order in a power series in . The Boltzmann eq…
Generating Tensor Polarization from Shear Stress
David Wagner, Nora Weickgenannt, Enrico Speranza
We derive an expression for the tensor polarization of a system of massive spin-1 particles in a hydrodynamic framework. Starting from quantum kinetic theory based on the Wigner-fu…
Pseudo-gauges and relativistic spin hydrodynamics for interacting Dirac and Proca fields
Nora Weickgenannt, David Wagner, Enrico Speranza
We present the explicit expressions of different pseudo-gauge transformations for Dirac and Proca fields considering a general interaction term. The particular case of the interact…
Relativistic second-order dissipative spin hydrodynamics from the method of moments
Nora Weickgenannt, David Wagner, Enrico Speranza +1
We derive relativistic second-order dissipative fluid-dynamical equations of motion for massive spin-1/2 particles from kinetic theory using the method of moments. Besides the usua…
Convergence of hydrodynamics in rapidly spinning strongly coupled plasma
Casey Cartwright, Markus Garbiso Amano, Matthias Kaminski +2
We compute the radius of convergence of the linearized relativistic hydrodynamic expansion around a non-trivially rotating strongly coupled N=4 Super-Yang-Mills plasma. Our results…
Transient Relativistic Fluid Dynamics in a General Hydrodynamic Frame
Jorge Noronha, Michał Spaliński, Enrico Speranza
We propose a new theory of second-order viscous relativistic hydrodynamics which does not impose any frame conditions on the choice of the hydrodynamic variables. It differs from M…
Challenges in Solving Chiral Hydrodynamics
Enrico Speranza, Fabio S. Bemfica, Marcelo M. Disconzi +1
We prove that ideal chiral hydrodynamics, as derived from chiral kinetic theory, is acausal and its initial-value problem is ill-posed both in the linearized case around a local eq…
From Kadanoff--Baym to Boltzmann equations for massive spin-1/2 fermions
Xin-Li Sheng, Nora Weickgenannt, Enrico Speranza +2
We derive Boltzmann equations for massive spin-1/2 fermions with local and nonlocal collision terms from the Kadanoff--Baym equation in the Schwinger--Keldysh formalism, properly a…
Derivation of the nonlocal collision term in the relativistic Boltzmann equation for massive spin-1/2 particles from quantum field theory
Nora Weickgenannt, Enrico Speranza, Xin-li Sheng +2
We derive the Boltzmann equation and the collision kernel for massive spin-1/2 particles, using the Wigner-function formalism and employing an expansion in powers of . The p…
Spin tensor and pseudo-gauges: from nuclear collisions to gravitational physics
Enrico Speranza, Nora Weickgenannt
The relativistic treatment of spin is a fundamental subject which has an old history. In various physical contexts it is necessary to separate the relativistic total angular moment…
Zilch Vortical Effect, Berry Phase, and Kinetic Theory
Xu-Guang Huang, Pavel Mitkin, Andrey V. Sadofyev +1
Rotating photon gas exhibits a chirality separation along the angular velocity which is manifested through a generation of helicity and zilch currents. In this paper we study this…
Generating spin polarization from vorticity through nonlocal collisions
Nora Weickgenannt, Enrico Speranza, Xin-li Sheng +2
We derive the collision term in the Boltzmann equation using the equation of motion for the Wigner function of massive spin-1/2 particles. To next-to-lowest order in it con…
Wigner function and kinetic theory for massive spin-1/2 particles
Nora Weickgenannt, Xin-li Sheng, Enrico Speranza +2
We calculate the Wigner function for massive spin-1/2 particles in an inhomogeneous electromagnetic field to leading order in the Planck constant . Going beyond leading orde…
Polarization transfer in hyperon decays and its effect in relativistic nuclear collisions
F. Becattini, Gaoqing Cao, Enrico Speranza
We calculate the contribution to the polarization of hyperons in relativistic nuclear collisions at high energy from the decays of and , which are the predomin…
Kinetic theory for massive spin-1/2 particles from the Wigner-function formalism
Nora Weickgenannt, Xin-li Sheng, Enrico Speranza +2
We calculate the Wigner function for massive spin-1/2 particles in an inhomogeneous electromagnetic field to leading order in the Planck constant . Going beyond leading orde…
Relativistic fluid dynamics of spin-polarized systems of particles
Wojciech Florkowski, Bengt Friman, Amaresh Jaiswal +2
We review basic ingredients of the recently introduced perfect-fluid hydrodynamic equations for particles with spin one-half. For a quasi-realistic setup, first numerical solutions…
Dynamics of relativistic spin-polarized fluids
Wojciech Florkowski, Bengt Friman, Amaresh Jaiswal +2
We briefly review the foundations of a new relativistic fluid dynamics framework for polarized systems of particles with spin one half. Using this approach we numerically study the…
Fluid dynamics for relativistic spin-polarized media
Wojciech Florkowski, Bengt Friman, Amaresh Jaiswal +2
We briefly review the basic features of a new framework for relativistic perfect fluid hydrodynamics of polarized systems consisting of particles with spin one half. Using this app…