As one approaches the continuum limit, QCD systems, investigated via numerical simulations, remain trapped in sectors of field space with fixed topological charge. As a consequence the numerical studies of physical quantities may give biased results. The same is true in the case of two dimensional CP^{N}^{ −1} models. In this paper we show that metadynamics, when used to simulate CP^{N}^{ −1}, allows to address efficiently this problem. By studying CP20 we show that we are able to reconstruct the free energy of the topological charge F (Q) and compute the topological susceptibility as a function of the coupling and of the volume. This is a very important physical quantity in studies of the dynamics of the θ vacuum and of the axion. This met...
We use a deformed “center-stablised” gauge theory, which can be brought into a weak coupling regime ...
We present a measurement of the topological susceptibility in two flavor QCD. In this observable, la...
In this paper, we study the topological susceptibility of two-dimensional UðNÞ gauge theories. We pr...
As one approaches the continuum limit, QCD systems, investigated via numerical simulations, remain t...
In this presentation we show that metadynamics, when used to simulate CPN−1, allows to address effi...
In this work we studied the CP^N-1 model in two-dimensions using numerical Monte Carlo (MC) simulati...
The two-dimensional CP^(N-1) models have been employed in the literature as a theoretical laboratory...
Quantum Chromodynamics (QCD) is a quantum gauge theory that describes the strong interactions betwee...
As the continuum limit is approached, lattice QCD simulations tend to get trapped in the topological...
In finite volume the partition function of QCD with a given theta is a sum of different topological ...
Among the wide range of their potential uses, Markov Chain Monte Carlo algorithms are an essential t...
Abstract We investigate, by numerical simulations on a lattice, the θ-dependence of 2d CP N − 1 mode...
The anomalous scaling behavior of the topological susceptibility $\chi_t$ in two-dimensional $CP^{N-...
Two of the most challenging problems in modern physics are the origin of dark matter and the strong ...
We define a fixed point action in twodimensional lattice CP^(N-1) models. The fixed point action is ...
We use a deformed “center-stablised” gauge theory, which can be brought into a weak coupling regime ...
We present a measurement of the topological susceptibility in two flavor QCD. In this observable, la...
In this paper, we study the topological susceptibility of two-dimensional UðNÞ gauge theories. We pr...
As one approaches the continuum limit, QCD systems, investigated via numerical simulations, remain t...
In this presentation we show that metadynamics, when used to simulate CPN−1, allows to address effi...
In this work we studied the CP^N-1 model in two-dimensions using numerical Monte Carlo (MC) simulati...
The two-dimensional CP^(N-1) models have been employed in the literature as a theoretical laboratory...
Quantum Chromodynamics (QCD) is a quantum gauge theory that describes the strong interactions betwee...
As the continuum limit is approached, lattice QCD simulations tend to get trapped in the topological...
In finite volume the partition function of QCD with a given theta is a sum of different topological ...
Among the wide range of their potential uses, Markov Chain Monte Carlo algorithms are an essential t...
Abstract We investigate, by numerical simulations on a lattice, the θ-dependence of 2d CP N − 1 mode...
The anomalous scaling behavior of the topological susceptibility $\chi_t$ in two-dimensional $CP^{N-...
Two of the most challenging problems in modern physics are the origin of dark matter and the strong ...
We define a fixed point action in twodimensional lattice CP^(N-1) models. The fixed point action is ...
We use a deformed “center-stablised” gauge theory, which can be brought into a weak coupling regime ...
We present a measurement of the topological susceptibility in two flavor QCD. In this observable, la...
In this paper, we study the topological susceptibility of two-dimensional UðNÞ gauge theories. We pr...