90 citations · 378 across the 12 of their papers we have counts for
12 papers
Optical properties of emeraldine salt polymers from ab initio calculations: comparison with recent experimental data
Renato Colle, Pietro Parruccini, Andrea Benassi +1
We present absorption coefficient α(ω), transverse dielectric function ε(ω), optical conductivity σ(ω), and reflectance R(ω) calculated for an emeraldine salt conducting polymer in…
Harmonic crossover exponents in O(n) models with the pseudo-epsilon expansion approach
Pasquale Calabrese, Pietro Parruccini
We determine the crossover exponents associated with the traceless tensorial quadratic field, the third- and fourth-harmonic operators for O(n) vector models by re-analyzing the ex…
Critical behavior of O(2)xO(N) symmetric models
Pasquale Calabrese, Pietro Parruccini, Andrea Pelissetto +1
We investigate the controversial issue of the existence of universality classes describing critical phenomena in three-dimensional statistical systems characterized by a matrix ord…
Five-loop epsilon expansion for O(n)xO(m) spin models
Pasquale Calabrese, Pietro Parruccini
We compute the Renormalization Group functions of a Landau-Ginzburg-Wilson Hamiltonian with O(n)x O(m) symmetry up to five-loop in Minimal Subtraction scheme. The line n^+(m,d), wh…
Crossover behavior in three-dimensional dilute spin systems
Pasquale Calabrese, Pietro Parruccini, Andrea Pelissetto +1
We study the crossover behaviors that can be observed in the high-temperature phase of three-dimensional dilute spin systems, using a field-theoretical approach. In particular, for…
Critical behavior of frustrated spin systems with nonplanar orderings
Pietro Parruccini
The critical behavior of frustrated spin systems with nonplanar orderings is analyzed by a six-loop study in fixed dimension of an effective OO Landau-Ginzburg-Wi…