Kavli Affiliate: Satoshi Shirai | First 5 Authors: Masahiro Ibe, Masataka Mishima, Yuhei Nakayama, Satoshi Shirai, | Summary: The Wino is an $mathrm{SU}(2)_{L}$ triplet Majorana fermion and a well-motivated dark matter candidate. The mass difference between the charged and the neutral Winos is small thanks to the $mathrm{SU}(2)_{L}$ symmetry. The small mass difference makes the […]
Kavli Affiliate: Jia Liu | First 5 Authors: Adrian E. Bayer, Jia Liu, Ryo Terasawa, Alexandre Barreira, Yici Zhong | Summary: We study the effect of super-sample covariance (SSC) on the power spectrum and higher-order statistics: bispectrum, halo mass function, and void size function. We also investigate the effect of SSC on the cross covariance […]
Kavli Affiliate: Toshiyuki Kobayashi | First 5 Authors: Toshiyuki Kobayashi, , , , | Summary: We prove that any simply connected non-compact semisimple Lie group $G$ admits an infinite-dimensional irreducible representation $Pi$ with bounded multiplicity property of the restriction $Pi|_{G’}$ for all symmetric pairs $(G, G’)$. We also discuss which irreducible representations $Pi$ satisfy the […]
Kavli Affiliate: Nobuhiko Katayama | First 5 Authors: Shinya Sugiyama, Tommaso Ghigna, Yurika Hoshino, Nobuhiko Katayama, Satoru Katsuda | Summary: We measured the vibration of a prototype superconducting magnetic bearing (SMB) operating at liquid nitrogen temperature. This prototype system was designed as a breadboard model for LiteBIRD low-frequency telescope (LFT) polarization modulator unit. We set […]
Kavli Affiliate: Nobuhiko Katayama | First 5 Authors: Shinya Sugiyama, Tommaso Ghigna, Yurika Hoshino, Nobuhiko Katayama, Satoru Katsuda | Summary: We measured the vibration of a prototype superconducting magnetic bearing (SMB) operating at liquid nitrogen temperature. This prototype system was designed as a breadboard model for LiteBIRD low-frequency telescope (LFT) polarization modulator unit. We set […]
Kavli Affiliate: Nobuhiko Katayama | First 5 Authors: Shinya Sugiyama, Tommaso Ghigna, Yurika Hoshino, Nobuhiko Katayama, Satoru Katsuda | Summary: We measured the vibration of a prototype superconducting magnetic bearing (SMB) operating at liquid nitrogen temperature. This prototype system was designed as a breadboard model for LiteBIRD low-frequency telescope (LFT) polarization modulator unit. We set […]
Kavli Affiliate: David N. Spergel | First 5 Authors: Abigail Moran, Chiara M. F. Mingarelli, Megan Bedell, Deborah Good, David N. Spergel | Summary: Pulsar distances are notoriously difficult to measure, and play an important role in many fundamental physics experiments, such as pulsar timing arrays (PTAs). Here we perform a cross-match between International PTA […]
Kavli Affiliate: Shunsaku Horiuchi | First 5 Authors: Mukul Bhattacharya, Jose Alonso Carpio, Kohta Murase, Shunsaku Horiuchi, | Summary: Relativistic jets originating from protomagnetar central engines can lead to long duration gamma-ray bursts (GRBs) and are considered potential sources of ultrahigh-energy cosmic rays and secondary neutrinos. We explore the propagation of such jets through a […]
Kavli Affiliate: Misao Sasaki | First 5 Authors: Misao Sasaki, Valeri Vardanyan, Vicharit Yingcharoenrat, , | Summary: We propose a novel mechanism for significantly enhancing the amplitude of primordial electromagnetic fields during inflation. Similar to existing proposals, our idea is based on parametric resonance effects due to conformal-symmetry-breaking coupling of the gauge field and the […]
Kavli Affiliate: John Silverman | First 5 Authors: Mengyuan Xiao, David Elbaz, Carlos Gómez-Guijarro, Lucas Leroy, Longji Bing | Summary: Our current understanding of the cosmic star formation history at z>3 is primarily based on UV-selected galaxies (i.e., LBGs). Recent studies of H-dropouts revealed that we may be missing a large amount of star formation […]