22 citations · 103 across the 17 of their papers we have counts for
7 papers · 1 filter
Thimble regularisation of YM fields: crunching a hard problem
Francesco Di Renzo, Simran Singh, Kevin Zambello
Thimble regularisation of Yang Mills theories is still to a very large extent terra incognita. We discuss a couple of topics related to this big issue. 2d YM theories are in princi…
Taylor expansions and Padé approximations for Lefschetz thimbles and beyond
Kevin Zambello, Francesco Di Renzo, Simran Singh
Deforming the domain of integration after complexification of the field variables is an intriguing idea to tackle the sign problem. In thimble regularization the domain of integrat…
Lee-Yang edge singularities in 2+1 flavor QCD with imaginary chemical potential
Guido Nicotra, Petros Dimopoulos, Lorenzo Dini +6
We present results of the location of the closest singularities in the complex chemical potential plane using a novel method. These results are obtained with (2+1)-flavor of highly…
Lee-Yang edge singularities in lattice QCD : A systematic study of singularities in the complex plane using rational approximations
Simran Singh, Petros Dimopoulos, Lorenzo Dini +6
A new approach is presented to explore the singularity structure of lattice QCD at imaginary chemical potential. Our method can be seen as a combination of the Taylor expansion and…
Contribution to understanding the phase structure of strong interaction matter: Lee-Yang edge singularities from lattice QCD
P. Dimopoulos, L. Dini, F. Di Renzo +6
We present a calculation of the net baryon number density as a function of imaginary baryon number chemical potential, obtained with highly improved staggered quarks (HISQ) at temp…
Settling an old story: solution of the Thirring model in thimble regularization
Francesco Di Renzo, Kevin Zambello
Thimble regularisation of lattice field theories has been proposed as a solution to the infamous sign problem. It is conceptually very clean and powerful, but it is in practice lim…
Net-baryon number fluctuations
C. Schmidt, J. Goswami, G. Nicotra +5
The appearance of large, none-Gaussian cumulants of the baryon number distribution is commonly discussed as a signal for the QCD critical point. We review the status of the Taylor…