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20022026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

Showing 2024 · hep-phShow all

5 papers · 2 filters

hep-ph2024★ 8 cited

Revisiting the Minimal Nelson-Barr Model

Kai Murai, Kazunori Nakayama

We revisit the minimal Nelson-Barr model for solving the strong CP problem through the idea of spontaneous CP breaking. The minimal model suffers from the quality problem, which me…

hep-ph2024★ 7 cited

Thermalization and hotspot formation around small primordial black holes

Minxi He, Kazunori Kohri, Kyohei Mukaida +1

We quantitatively analyze a basic question: what is the stationary solution of the background plasma temperature profile around a black hole (BH)? One may naively expect that the t…

hep-ph2024★ 15 cited

Induced Domain Walls of QCD Axion, and Gravitational Waves

Junseok Lee, Kai Murai, Fuminobu Takahashi +1

We show that heavy axion domain walls induce domain walls of the QCD axion through a mixing between the heavy axion and the QCD axion, even when the pre-inflationary initial condit…

hep-ph2024★ 9 cited

Nuclear Spin Metrology with Nitrogen Vacancy Center in Diamond for Axion Dark Matter Detection

So Chigusa, Masashi Hazumi, Ernst David Herbschleb +3

We present a method to directly detect the axion dark matter using nitrogen vacancy centers in diamonds. In particular, we use metrology leveraging the nuclear spin of nitrogen to…

hep-ph2024★ 8 cited

Thermal effects on sound velocity peak and conformality in isospin QCD

Ryuji Chiba, Toru Kojo, Daiki Suenaga

We study thermal effects on equations of state (EOS) in isospin QCD, utilizing a quark-meson model coupled to a Polyakov loop. The quark-meson model is analyzed at one-loop that is…