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The emergence of expanding space-time in a novel large- limit of the Lorentzian type IIB matrix model
Mitsuaki Hirasawa, Konstantinos N. Anagnostopoulos, Takehiro Azuma +4
The Lorentzian type IIB matrix model is a promising candidate for a non-perturbative formulation of superstring theory. However, it was found recently that a Euclidean space-time a…
Exact renormalization group for wave functionals
Takaaki Kuwahara, Gota Tanaka, Asato Tsuchiya +1
Motivated by the construction of the cMERA for interacting field theories, we derive a non-perturbative functional differential equation for wave functionals in scalar field theori…
Toward tensor renormalization group study of three-dimensional non-Abelian gauge theory
Takaaki Kuwahara, Asato Tsuchiya
We propose a method to represent the path integral over gauge fields as a tensor network. We introduce a trial action with variational parameters and generate gauge field configura…
Higher derivative extension of the functional renormalization group
Gota Tanaka, Asato Tsuchiya
We study higher derivative extension of the functional renormalization group (FRG). We consider FRG equations for a scalar field that consist of terms with higher functional deriva…
Complex Langevin studies of the emergent space-time in the type IIB matrix model
Kohta Hatakeyama, Konstantinos Anagnostopoulos, Takehiro Azuma +5
The type IIB matrix model has been proposed as a non-perturbative definition of superstring theory since 1996. We study a simplified model that describes the late time behavior of…
Target space entanglement in a matrix model for the bubbling geometry
Asato Tsuchiya, Kazushi Yamashiro
We study the target space entanglement entropy in a complex matrix model that describes the chiral primary sector in super Yang-Mills theory, which is associated wi…