Particles, conformal invariance and criticality in pure and disordered systems
G Delfino - The European Physical Journal B, 2021 - Springer
The two-dimensional case occupies a special position in the theory of critical phenomena
due to the exact results provided by lattice solutions and, directly in the continuum, by the …
due to the exact results provided by lattice solutions and, directly in the continuum, by the …
Correlations and structure of interfaces in the Ising model: theory and numerics
A Squarcini, A Tinti - Journal of Statistical Mechanics: Theory and …, 2021 - iopscience.iop.org
We consider phase separation on the strip for the two-dimensional Ising model in the near-
critical region. Within the framework of field theory, we find exact analytic results for certain …
critical region. Within the framework of field theory, we find exact analytic results for certain …
Phase separation in a wedge: exact results
G Delfino, A Squarcini - Physical Review Letters, 2014 - APS
The exact theory of phase separation in a two-dimensional wedge is derived from the
properties of the order parameter and boundary condition changing operators in field theory …
properties of the order parameter and boundary condition changing operators in field theory …
Shape and interfacial structure of droplets. Exact results and simulations
A Squarcini, A Tinti - Journal of Statistical Mechanics: Theory and …, 2023 - iopscience.iop.org
We consider the fluctuating interface of a droplet pinned on a flat wall. For such a system we
compare results obtained within the exact field theory of phase separation in two dimensions …
compare results obtained within the exact field theory of phase separation in two dimensions …
Fields, particles and universality in two dimensions
G Delfino - Annals of Physics, 2015 - Elsevier
We discuss the use of field theory for the exact determination of universal properties in two-
dimensional statistical mechanics. After a compact derivation of critical exponents of main …
dimensional statistical mechanics. After a compact derivation of critical exponents of main …
[HTML][HTML] Interface in presence of a wall. Results from field theory
G Delfino, M Sorba, A Squarcini - Nuclear Physics B, 2021 - Elsevier
We consider three-dimensional statistical systems at phase coexistence in the half-volume
with boundary conditions leading to the presence of an interface. Working slightly below the …
with boundary conditions leading to the presence of an interface. Working slightly below the …
Interfacially adsorbed bubbles determine the shape of droplets
A Squarcini, A Tinti - SciPost Physics, 2023 - scipost.org
The characterization of density correlations in the presence of strongly fluctuating interfaces
has always been considered a difficult problem in statistical mechanics. Here we study-by …
has always been considered a difficult problem in statistical mechanics. Here we study-by …
[HTML][HTML] Particles, string and interface in the three-dimensional Ising model
G Delfino, W Selke, A Squarcini - Nuclear Physics B, 2020 - Elsevier
We consider the three-dimensional Ising model slightly below its critical temperature, with
boundary conditions leading to the presence of an interface. We show how the interfacial …
boundary conditions leading to the presence of an interface. We show how the interfacial …
Exact theory of intermediate phases in two dimensions
G Delfino, A Squarcini - Annals of Physics, 2014 - Elsevier
We show how field theory yields the exact description of intermediate phases in the scaling
limit of two-dimensional statistical systems at a first order phase transition point. The ability of …
limit of two-dimensional statistical systems at a first order phase transition point. The ability of …
Structure of interfaces at phase coexistence. Theory and numerics
G Delfino, W Selke, A Squarcini - Journal of Statistical Mechanics …, 2018 - iopscience.iop.org
We compare results of the exact field theory of phase separation in two dimensions with
Monte Carlo simulations for the q-state Potts model with boundary conditions producing an …
Monte Carlo simulations for the q-state Potts model with boundary conditions producing an …