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181 papers · 1 filter
Phase structure analysis of 2d lattice CP(1) model with term using tensor renormalization group method
Hayato Aizawa, Shinji Takeda, Yusuke Yoshimura
We investigate the phase structure of a two-dimensional lattice CP(1) model with a term. In particular, we aim to identify a critical region expected to exist along a lin…
Violation of non-Abelian Bianchi identity and QCD topology
Tsuneo Suzuki
When Abelian monopoles due to violation of the non-Abelian Bianchi identity Jμ(x) condense in the vacuum, color confinement of QCD is realized by the Abelian dual Meissner effect.…
Grassmann tensor renormalization group for the massive Schwinger model with a term using staggered fermions
Hayato Kanno, Shinichiro Akiyama, Kotaro Murakami +1
We use the Grassmann tensor renormalization group method to investigate the Schwinger model with the staggered fermions in the presence of a periodic term in a bro…
Spectroscopy with the tensor renormalization group method
Fathiyya Izzatun Az-zahra, Shinji Takeda, Takeshi Yamazaki
We present a spectroscopy scheme for the lattice field theory by using the tensor renormalization group method combining with the transfer matrix formalism. By using the scheme, we…
All-mode Renormalization for Tensor Network with Stochastic Noise
Erika Arai, Hiroshi Ohki, Shinji Takeda +1
In usual (non-stochastic) tensor network calculations, the truncated singular value decomposition (SVD) is often used for approximating a tensor, and it causes systematic errors. B…
Nature of the phase transition for finite temperature QCD with nonperturbatively O() improved Wilson fermions at
Yoshinobu Kuramashi, Yoshifumi Nakamura, Hiroshi Ohno +1
We study the nature of the finite temperature phase transition for three-flavor QCD. In particular we investigate the location of the critical endpoint along the three flavor symme…