activity
19962024
most citedThe U_A(1) Problem on the Lattice with Ginsparg-Wilson Fermions

80 citations · 349 across the 10 of their papers we have counts for

collaborators

11 papers

hep-ph2024

Baryon-number -flavor separation in the topological expansion of QCD

David Frenklakh, Dmitri Kharzeev, Giancarlo Rossi +1

Gauge invariance of QCD dictates the presence of string junctions in the wave functions of baryons. In high-energy inclusive processes, these baryon junctions have been predicted t…

hep-lat2013★ 1 cited

-potential: a critical reappraisal

G. C. Rossi, M. Testa

We show how it is possible to define and compute the potential between and external sources in the singlet and octet (adjoint) representation of the colour group.

cond-mat.mtrl-sci2009★ 19 cited

The stress tensor in Thermodynamics and Statistical Mechanics

Giancarlo Rossi, Massimo Testa

We prove that the stress tensor, tau^{ab}, of a molecular system with arbitrary, short-range interactions can be point-wisely expressed as the functional derivative of the partitio…

hep-lat2004★ 65 cited

Topological susceptibility in full QCD with Ginsparg-Wilson fermions

L. Giusti, G. C. Rossi, M. Testa

We show that, if the formula for the topological charge density operator suggested by fermions obeying the Ginsparg-Wilson relation is employed, it is possible to give a precise an…

hep-lat2001★ 2 cited

The Problem on the Lattice

L. Giusti, G. C. Rossi, M. Testa +1

If the expression of the topological charge density operator, suggested by fermions obeying the Ginsparg--Wilson relation, is employed, it is possible to prove on the lattice the v…

hep-lat2001★ 80 cited

The U_A(1) Problem on the Lattice with Ginsparg-Wilson Fermions

L. Giusti, G. C. Rossi, M. Testa +1

We show how it is possible to give a precise and unambiguous implementation of the Witten--Veneziano formula for the eta' mass on the lattice, which looks like the formal continuum…

hep-lat2001★ 22 cited

Non-perturbative improvement of lattice QCD at large momenta

G. Martinelli, G. C. Rossi, C. T. Sachrajda +3

We propose a method to improve lattice operators composed of Wilson fermions which allows the removal of all corrections of , including those proportional to the quark mass.…

hep-lat1997★ 15 cited

Non-perturbative improvement of operators with Wilson fermions

C. Dawson, G. Martinelli, G. C. Rossi +4

We outline two methods of constructing improved composite operators using Wilson fermions.

hep-lat1997★ 77 cited

New lattice approaches to the rule

C. Dawson, G. Martinelli, G. C. Rossi +4

Lattice QCD should allow a derivation of the rule from first principles, but numerical calculations to date have been plagued by a variety of problems. After a brief revie…

hep-lat1997★ 60 cited

Non-perturbative improvement of composite operators with Wilson fermions

G. Martinelli, G. C. Rossi, C. T. Sachrajda +3

We propose a method to improve lattice operators composed of Wilson fermions which allows the removal of all corrections of , including those proportional to the quark mass,…

hep-lat1996★ 8 cited

Non-perturbative renormalization in kaon decays

A. Donini, V. Giménez, G. Martinelli +4

We discuss the application of the MPSTV non-perturbative method \cite{NPM} to the operators relevant to kaon decays. This enables us to reappraise the long-standing question of the…