Conveners
Session 4
- Alessandro Papa (Istituto Nazionale di Fisica Nucleare)
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Claudio Bonanno (INFN Firenze)19/12/2022, 17:35
We compute the topological susceptibility slope $\chi^\prime$, related to the second moment of the two-point correlator of the topological charge density, of $2d$ $\mathrm{CP}^{N-1}$ models for $N=5,11,21$ and $31$ from lattice Monte Carlo simulations. Our strategy consists in performing a double limit: first, we take the continuum limit of $\chi^\prime$ at fixed smoothing radius in physical...
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Francesco D'Angelo (Università di Pisa and INFN Sezione di Pisa)19/12/2022, 17:55
We focus on the computation of the topological susceptibility of $N_f=2+1$ QCD at the physical point for some temperatures above $T_c\simeq155~\mathrm{MeV}$. Topological fluctuations are enhanced by using a multicanonical approach and the susceptibility is computed by adopting the spectral projectors over the eigenmodes of the staggered Dirac operator. This method allows to reduce lattice...
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Alessio Franchi (Istituto Nazionale di Fisica Nucleare)19/12/2022, 18:15
We present and discuss the interplay between local and global symmetries in determining the continuum limit of two-dimensional lattice scalar theories characterized by SO($N_c$) gauge symmetry and non-abelian O($N_f$) global invariance. We argue that, when a quartic interaction is present, the continuum limit of these models may correspond to a gauged non-linear $\sigma$ model field theory...
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Daniele Amato (Istituto Nazionale di Fisica Nucleare)19/12/2022, 18:35
Since the first years of the 20th century, classical Markov chains have been a standard theoretical tool to model the statistics of a huge plethora of phenomena in physics, economics, biology, etc. Also, they are intensively used for Monte Carlo simulations [1]. The mathematical properties of these stochastic processes have been still studied over the last years because of their broad...
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Manuel Naviglio (Istituto Nazionale di Fisica Nucleare)19/12/2022, 18:55
In this talk we present our study of the electromagnetic conductivity in dense quark-gluon plasma obtained within lattice simulations with $N_f = 2 + 1$ dynamical quarks. We employ stout improved rooted staggered quarks at the physical point and the tree-level Symanzik improved gauge action. To reconstruct electromagnetic conductivity from current-current correlators, we employ the modified...
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Domenico Pomarico (Istituto Nazionale di Fisica Nucleare)19/12/2022, 19:15
A striking quest for quantum computing applications in available platforms is spanning across a wide range of topics. The framework of lattice gauge theories in the Hamiltonian formulation is tested through a simple quantum system. Limitations in the simulation capabilities are imposed by noise affecting the gates elaboration of quantum states, combined in the decomposition of Trotter...
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