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16 papers · 1 filter
Hierarchy problem, gauge coupling unification at the Planck scale, and vacuum stability
Naoyuki Haba, Hiroyuki Ishida, Ryo Takahashi +1
From the point of view of the gauge hierarchy problem, introducing an intermediate scale in addition to TeV scale and the Planck scale (…
Lee-Yang zero distribution of high temperature QCD and Roberge-Weiss phase transition
Keitaro Nagata, Kouji Kashiwa, Atsushi Nakamura +1
Canonical partition functions and Lee-Yang zeros of QCD at finite density and high temperature are studied. Recent lattice simulations have confirmed that the free energy of QCD is…
Novel Friction Law for the Static Friction Force based on Local Precursor Slipping
Yu Katano, Ken Nakano, Michio Otsuki +1
The sliding of a solid object on a solid substrate requires a shear force that is larger than the maximum static friction force. It is commonly believed that the maximum static fri…
Gravitational effects on vanishing Higgs potential at the Planck scale
Naoyuki Haba, Kunio Kaneta, Ryo Takahashi +1
We investigate gravitational effects on the so-called multiple point criticality principle (MPCP) at the Planck scale. The MPCP requires two degenerate vacua, whose necessary condi…
Spatial ordering of nano-dislocation loops in ion-irradiated materials
S. L. Dudarev, K. Arakawa, X. Yi +4
Defect microstructures formed in ion-irradiated metals, for example iron or tungsten, often exhibit patterns of spatially ordered nano-scale dislocation loops. We show that such or…
dark matter-philic Higgs for 3.5 keV X-ray signal
Naoyuki Haba, Hiroyuki Ishida, Ryo Takahashi
We suggest a new model of 7 keV right-handed neutrino dark matter inspired by a recent observation of 3.5 keV X-ray line signal in the XMM-Newton observatory. It is difficult to de…