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25 papers · 1 filter
Multi-field oscillons/I-balls in the Friedberg-Lee-Sirlin model
Kai Murai, Tatsuya Ogawa, Fuminobu Takahashi
We study oscillon/I-ball solutions in a real scalar version of the Friedberg-Lee-Sirlin (FLS) model. Using the multiple-scale analysis, we derive the conditions for oscillon soluti…
Solving Functional Renormalization Group Equations with Neural Networks
Yang-yang Tan, Wei-jie Fu, Lianyi He +1
We employ deep neural networks to represent the field derivative of the scale-dependent effective potential in the functional renormalization group (fRG) framework for nonperturbat…
The quantum criticality of the Standard Model and the hierarchy problem
Juan P. Garcés, Florian Goertz, Manfred Lindner +1
The naturalness principle has long guided efforts to understand physics beyond the Standard Model, with the hierarchy problem as the central issue. We revisit the role of quantum c…
Enhancement of axial anomaly effects in hot two-color QCD: FRG approach in the linear sigma model
Gergely Fejős, Daiki Suenaga
We investigate the thermal properties of hadrons in two-color quantum chromodynamics (QCD) using the functional renormalization group (FRG) method, with particular focus on mod…
Enhancement of photon emission rate near QCD critical point
Yukinao Akamatsu, Masayuki Asakawa, Masaru Hongo +2
We compute photon emission rate enhancement near the QCD critical point using an effective theory of dynamic critical phenomena and derive a universal photon spectrum. The emission…
Shear and bulk viscosity for a pure glue theory using an effective matrix model
Manas Debnath, Ritesh Ghosh, Najmul Haque +2
At nonzero temperatures, the deconfining phase transition can be analyzed using an effective matrix model to characterize the change in holonomy. The model includes gluons and two-…