New #openaccess publication #SciPost #Physics

A causality-based divide-and-conquer algorithm for nonequilibrium Green’s function calculations with quantics tensor trains

Ken Inayoshi, Maksymilian Środa, Anna Kauch, Philipp Werner, Hiroshi Shinaoka
SciPost Phys. 20, 077 (2026)
https://scipost.org/SciPostPhys.20.3.077

#SaitamaUniversity #FribourgUniversity #TUW

New #openaccess publication #SciPost #Physics

Adaptive sampling-based optimization of quantics tensor trains for noisy functions: Applications to quantum simulations

Kohtaroh Sakaue, Hiroshi Shinaoka, Rihito Sakurai
SciPost Phys. 19, 038 (2025)
https://scipost.org/SciPostPhys.19.2.038

#SaitamaUniversity #UT

New #openaccess publication #SciPost #Physics

Compactness of quantics tensor train representations of local imaginary-time propagators

Haruto Takahashi, Rihito Sakurai, Hiroshi Shinaoka
SciPost Phys. 18, 007 (2025)
https://scipost.org/SciPostPhys.18.1.007

#SaitamaUniversity

New #openaccess publication #SciPost #Physics Codebases

Nevanlinna.jl: A Julia implementation of Nevanlinna analytic continuation

Kosuke Nogaki, Jiani Fei, Emanuel Gull, Hiroshi Shinaoka
SciPost Phys. Codebases 19 (2023)
https://scipost.org/SciPostPhysCodeb.19

Codebase release 1.0 for Nevanlinna.jl
SciPost Phys. Codebases 19-r1.0 (2023)
https://scipost.org/SciPostPhysCodeb.19-r1.0

#KyotoUniversity
#SU
#UM
#SaitamaUniversity
#JST
#JSPS
#NSF