37 citations · 229 across the 19 of their papers we have counts for
21 papers
Ergodic sampling of the topological charge using the density of states
Guido Cossu, David Lancaster, Biagio Lucini +2
In lattice calculations, the approach to the continuum limit is hindered by the severe freezing of the topological charge, which prevents ergodic sampling in configuration space. I…
Ergodicity of the LLR method for the Density of States
Guido Cossu, Biagio Lucini, Roberto Pellegrini +1
The LLR method is a novel algorithm that enables us to evaluate the density of states in lattice gauge theory. We present our study of the ergodicity properties of the LLR algorith…
Renormalisation of the scalar energy-momentum tensor with the Wilson flow
Francesco Capponi, Luigi Del Debbio, Susanne Ehret +3
The non-perturbative computation of the energy-momentum tensor can be used to study the scaling behaviour of strongly coupled quantum field theories. The Wilson flow is an essentia…
The density of states approach at finite chemical potential: a numerical study of the Bose gas
L. Bongiovanni, K. Langfeld, B. Lucini +2
Recently, a novel algorithm for computing the density of states in statistical systems and quantum field theories has been proposed. The same method can be applied to theories at f…
Renormalisation of the energy-momentum tensor in scalar field theory using the Wilson flow
Francesco Capponi, Luigi Del Debbio, Susanne Ehret +2
A non-perturbative renormalisation prescription for the energy-momentum tensor, based on space-time symmetries along the Wilson flow, has been proposed recently in the context of 4…
An efficient algorithm for numerical computations of continuous densities of states
Kurt Langfeld, Biagio Lucini, Roberto Pellegrini +1
In Wang-Landau type algorithms, Monte-Carlo updates are performed with respect to the density of states, which is iteratively refined during simulations. The partition function and…
The density of states approach for the simulation of finite density quantum field theories
K. Langfeld, B. Lucini, A. Rago +2
Finite density quantum field theories have evaded first principle Monte-Carlo simulations due to the notorious sign-problem. The partition function of such theories appears as the…
The density of states from first principles
R. Pellegrini, K. Langfeld, B. Lucini +1
We present a novel algorithm to compute the density of states, which is proven to converge to the correct result. The algorithm is very general and can be applied to a wide range o…
Effective string description of the interquark potential in the 3D U(1) lattice gauge theory
Davide Vadacchino, Michele Caselle, Marco Panero +1
The U(1) lattice gauge theory in three dimensions is a perfect laboratory to study the properties of the confining string. On the one hand, thanks to the mapping to a Coulomb gas o…
On the rigid string contribution to the interquark potential
Michele Caselle, Davide Vadacchino, Marco Panero +1
Owing to Lorentz invariance, the leading terms in the effective action describing the low-energy dynamics of flux tubes in a confining gauge theory are universal. Besides the terms…
Exceptional thermodynamics: The equation of state of G(2) gauge theory
Mattia Bruno, Michele Caselle, Marco Panero +1
We present a lattice study of the equation of state in Yang-Mills theory based on the exceptional G(2) gauge group. As is well-known, at zero temperature this theory shares many qu…
Ising model description of long range correlations in DNA sequences
A. Colliva, R. Pellegrini, A. Testori +1
We model long range correlations of nucleotides in the human DNA sequence using the long range one dimensional Ising model. We show that for distances between and bp…
A different kind of string
Michele Caselle, Marco Panero, Roberto Pellegrini +1
In U(1) lattice gauge theory in three spacetime dimensions, the problem of confinement can be studied analytically in a semi-classical approach, in terms of a gas of monopoles with…
Recent progress in the effective string theory description of LGTs
Marco Billò, Michele Caselle, Davide Fioravanti +4
In presence of a static pair of sources, the spectrum of low-lying states of any confining gauge theory in D space-time dimensions is described, at large source separations, by an…
Fine structure of the confining string in an analytically solvable 3D model
Davide Vadacchino, Michele Caselle, Roberto Pellegrini +1
In lattice gauge theory in three spacetime dimensions, confinement can be analytically shown to persist at all values of the coupling. Furthermore, the explicit pre…
Towards a density of states approach for dense matter systems
Kurt Langfeld, Jan Pawlowski, Biagio Lucini +2
The density-of-states method (Phys.Rev.Lett. 109 (2012) 111601) features an exponential error suppression and is not restricted to theories with positive probabilistic weight. It i…
Finite temperature behaviour of glueballs in Lattice Gauge Theories
Michele Caselle, Roberto Pellegrini
We propose a new method to compute glueball masses in finite temperature Lattice Gauge Theories which at low temperature is fully compatible with the known zero temperature results…
Line defects in the 3d Ising model
M. Billó, M. Caselle, D. Gaiotto +3
We investigate the properties of the twist line defect in the critical 3d Ising model using Monte Carlo simulations. In this model the twist line defect is the boundary of a surfac…
The Lorentz-invariant boundary action of the confining string and its universal contribution to the inter-quark potential
M. Billo, M. Caselle, F. Gliozzi +2
We study the boundary contribution to the low energy effective action of the open string describing the confining flux tube in gauge theories. The form of the boundary terms is str…
New numerical results and novel effective string predictions for Wilson loops
Marco Billo', Michele Caselle, Roberto Pellegrini
We compute the prediction of the Nambu-Goto effective string model for a rectangular Wilson loop up to three loops. This is done through the use of an operatorial, first order form…
Universal signatures of the effective string in finite temperature lattice gauge theories
Michele Caselle, Alessandra Feo, Marco Panero +1
We study the behaviour of the interquark potential in lattice gauge theories at high temperature, but still in the confining phase, and propose a new observable which could play in…