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19992026
most citedThe surface detector array of the Telescope Array experiment

399 citations

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hep-ph2025

Investigations of symmetry breakings by multiple condensates on exotic chiral condensed phases

Joshua Murakami, Kentaro Hayashi, Yasuhiko Tsue

The Nambu-Goldstone modes on the exiotic chiral condensed phase with chiral and tensor-type quark-antiquark condensates are investigated by using of the two-point vertex functions.…

hep-ph2024★ 8 cited

Tripling Fluctuations and Peaked Sound Speed in Fermionic Matter

Hiroyuki Tajima, Kei Iida, Toru Kojo +1

A crossover involving three-fermion clusters is relevant to the hadron-quark crossover, which, if occurring in a neutron star, could naturally reproduce the dense-matter equation o…

hep-ph2024★ 4 cited

Modified dilepton production rate from charged pion-pair annihilation in the inhomogeneous chiral condensed phase

Kentaro Hayashi, Yasuhiko Tsue

We investigate the dilepton production rates from annihilation processes of charged pion pairs with modified pion dispersion relations in the inhomogeneous chiral condensed phase.…

hep-ph2024★ 6 cited

Non-relativistic trace anomaly and equation of state in dense fermionic matter

Hiroyuki Tajima, Kei Iida, Haozhao Liang

We theoretically investigate a non-relativistic trace anomaly and its impact on the low-temperature equation of state in spatially one-dimensional three-component fermionic systems…

hep-ph2023★ 1 cited

A possibility of existence of a pseudovector-type quark-antiquark condensate in the quark matter and Nambu-Goldstone modes on that condensate in the Nambu-Jona-Lasinio model

Kentaro Hayashi, Yasuhiko Tsue

A possibility of a pseudovector-type quark-antiquark condensed phase, which leads to a quark spin polarized phase, in the quark matter is investigated taking account of the vacuum…

hep-ph2022★ 17 cited

Probing the hadron mass spectrum in dense two-color QCD with the linear sigma model

Daiki Suenaga, Kotaro Murakami, Etsuko Itou +1

We investigate modifications of hadron masses at finite quark chemical potential in two-flavor and two-color QCD, of which the data are available from lattice simulations, within a…