The 8th International Conference on Chirality, Vorticity and Magnetic Field in Quantum Matter

Session

Hydrodynamics

23 juil. 2024, 16:30

Amphitheater A11 (West University of Timisoara)

Présidents de session

Hydrodynamics: Session 1

• Andrea Palermo (Stony Brook University)

Hydrodynamics: Session 2

• Sergio Morales Tejera (West university of Timisoara)

Hydrodynamics: Session 3

• Masoud Shokri (Goethe University)

57. Latest updates on ideal-spin hydrodynamics

Masoud Shokri (Goethe University)

23/07/2024 16:30

Talk

Spin hydrodynamics can be developed from a systematic expansion in the reduced plank constant. Up to the first order in this expansion, there is no back-reaction from the spin to fluid dynamics, and, therefore, solutions to the standard hydrodynamics act as an input for the equations of motion for the spin tensor. Furthermore, one can assume a so-called ideal-spin approximation where the...

40. Relativistic Quantum-statistical formulation of spin hydrodynamics

Asaad Daher (IFJ PAN Krakow Poland)

23/07/2024 17:00

Talk

Motivated by the evidence of spin polarization of particles produced in relativistic heavy ion collisions, there is a growing interest in the so-called relativistic spin hydrodynamics. In this talk, we will present the outcomes of using a first-principle quantum-statistical method to derive the expression of the entropy current and entropy production rate in relativistic spin hydrodynamics....

54. Dynamical generation of canonical spin potential in hot QCD

Matteo Buzzegoli (West University of Timisoara)

23/07/2024 17:30

Talk

Spin hydrodynamics relies on the non-unique definition of the spin tensor, representing the distribution of spin degrees of freedom, but different spin tensors lead to different physical results. In general, this pseudogauge symmetry represents a significant theoretical ambiguity in relativistic out-of-equilibrium statistical mechanics. This ambiguity may be resolved by fundamental quantum...

28. Chirality and a strong magnetic field give rise to novel hydrodynamic transport near and far from equilibrium (online)

Matthias Kaminski (University of Alabama, U.S.A.)

25/07/2024 14:30

On-line talk

When chiral charged matter is exposed to extremely strong magnetic fields, novel hydrodynamic transport effects emerge [1]. These novel effects need to be estimated and possibly taken into account, for example in the hydrodynamic codes used to analyze heavy-ion collision data or magnetars. Kubo formulae link the macroscopic transport coefficients to the microscopic retarded two-point...

11. Relaxation terms for anomalous hydrodynamic transport in Weyl semimetals

Luca Martinoia (University of Genova)

25/07/2024 15:00

Talk

Weyl semimetals, a class of topological materials, exhibit a hydrodynamic regime and offer an ideal environment for investigating chiral anomalies through table-top experiments and transport measurements. In this presentation, I will consider a $(3+1)$-dimensional fluid with a $U(1{)}_V\times U(1{)}_A$ chiral anomaly as a model of Weyl semimetals. My focus will be on longitudinal thermoelectric...

13. Relativistic stochastic advection diffusion equation using Metropolis

Dr Rajeev Singh (West University of Timisoara)

25/07/2024 15:30

Talk

We present a method for simulating the stochastic relativistic advection-diffusion equation using the Metropolis algorithm. This approach simulates dissipative dynamics by randomly transferring charge between fluid cells, combined with ideal hydrodynamic time steps. Charge transfers are accepted or rejected based on entropy as a statistical weight in a Metropolis step. This reproduces expected...

34. Non-relativistic transport from frame-indifferent kinetic theory

Piotr Surówka

26/07/2024 14:30

Talk

I will present the application of Newton-Cartan geometry to the kinetic theory of gases in gravitational fields. Starting with an introduction to the basics of Newton-Cartan geometry, I will examine the motion of point particles within this framework, leading to a detailed analysis of kinetic theory and the derivation of conservation equations. The equilibrium distribution function will...

53. Anomalous Hall instability in chiral magnetohydrodynamics (online)

Shuai Wang

26/07/2024 15:00

On-line talk

The quark gluon plasma(QGP) is expected to exhibit a chiral imbalance known as the chiral anomaly which induces various anomalous currents, such as: the chiral magnetic effect(CME), the chiral vortical effect(CVE), the anomalous Hall effect(AHE) and so on. To describe these anomalous effects, one can use the chiral magnetohydrodynamics (CMHD).

We study the collective excitations and...

24. Pinched singularity and long time tail (online)

Navid Abbasi

26/07/2024 15:30

On-line talk

Hydrodynamic nonlinearity manifests itself as long time tail in the hydrodynamic correlation functions. This corresponds to the singularity of the correlation function in momentum space. We argue that the latter is actually a "pinched singularity" of the integrand in the integral associated with a bubble diagram. We then address how to find the pinched singularity by solving the "Landau Loop...