■Preface
President's Message
Tomofumi Nagae......1

■Reviews
Atomtronics
Shun Uchino......4

■Researches
Measuring Higgs CP and Couplings with Hadronic Event Shapes
Michihisa Takeuchi......13

Single-Protein Spectroscopy Reveals Multiple Protein Conformational Fluctuations Regulating Photosynthetic Light Harvesting
Toru Kondo......17

Hybridized Excitation of Higgs-Amplitude and Phase Modes in Frustrated Quantum Magnet
Takatsugu Masuda, Shohei Hayashida, and Masashige Matsumoto......23

The Two-Fluid Model of Superfluid in Quantum Turbulent State―Strange Phenomena Caused by the Interaction between Quantized Vortices and
a Thermal Component
Satoshi Yui, Hiromichi Kobayashi, and Makoto Tsubota......28

■Crossroad
Revealing the Mystery of Matter-Antimatter Symmetry with Neutrino Oscillation―T2K Experiment
Masashi Yokoyama......34

■JPSJ Selected Papers in the Latest Issue......39

■PTEP Selected Papers in the Latest Issue......42

■The Path to History......45

■La Toccata
The First Development of Lithium-Ion Batteries
Koichi Mizushima......48

■Physics Community News
The Nobel Prize in Physics 2020......51
14th Yukawa-Kimura Prize......52

■Book Reviews......53