Dec. 14

Our paper about anomalous Josephson effect in the coherently coupled Josephson junctions has been published on Science Advances 9, eadj3698(2023).

Dec.13

Our paper about the Andreev molecule states in the coherently coupled Josephson junctions has been published on Nature Communications 14, 8271(2023).

Dec. 8

Our research about Josephson diode effect has been featured on a web article.

September 20

Our paper about the theoretical study of the phonon-mediated spin-flip transitions in the double quantum dot has been published on Phys. Rev. B (Phys. Rev. B 108, 115308 (2023)).

August 23

Our research of the Josephson diode effect in the coupled Josephson junctions has been featured on a web article.

August 1

Our paper about superconducting diode effect in the coherently coupled Josephson junctions has been published on Nature Physics.

May 16

Our new paper about superconducting diode effect in the coherently coupled Josephson junctions has been uploaded on arXiv.

May 12

Our new paper about anomalous Josephson effect in the coherently coupled Josephson junctions has been uploaded on arXiv.

April 17

Our review article (in Japanese) has been published on "固体物理" Vol. 58 No. 4 (2023).

April 16

I won the ATI research encourage prize 2023. I would like to thank everyone who has supported me so far.

April 7

I won the MEXT young researcher prize. I would like to thank everyone who has supported me so far.

March 20

Our new paper about the Andreev molecule states in the coherently coupled Josephson junctions has been uploaded on arXiv.

March 13

Our new paper about the theoretical study of the phonon-mediated spin-flip transitions in the double quantum dot has been uploaded on arXiv.

2022

Dec. 8

Our research about the charge-spin dynamics driven by nonequilibrium phonons has been featured on a web article.

Sep. 13

A new paper about nonlocal Josephson effect observed  in two Josephson junctions on InAs double nanowires has been published on Commun. Phys.  (Commun. Phys. 5, 221(2022)).  

Aug. 24

A new paper about spin-charge dynamics driven by nonequilibrium phonons has been published on Phys. Rev. Lett. (Phys. Rev. Lett. 129, 095901 (2022)). This paper has been selected as Editors' Suggestion.

June 22

Our research about the supercurrent enhancement by quasiparticle trapping  has been featured on a web article.

June 20

Our research about the supercurrent enhancement by quasiparticle trapping  has been featured on a web article.

May 20

A new paper about Josephson supercurrent enhancement induced by the magnetic field has been published on Phys. Rev. Lett. (Phys. Rev. Lett. 128, 207001 (2022)). This paper has been selected as Editors' Suggestion. 

Feb. 25

I won Presentation award Physics II Prize (FY2021 SPDR Presentation of Research results in Riken). I would like to thank everyone who has supported me so far.

Jan. 1

Happy new year.

2021

December 27

A new paper is available on arXiv. We demonstrated nonlocal Josephson effect using InAs double nanowire Josephson junctions. 

November 3

A new paper is available on arXiv. We experimentally studied the supercurrent enhancement invoked by the magnetic field which is assigned to the quasiparticle trapping. 

June 4

A new paper is available on arXiv. We demonstrated the charge and spin dynamics in the spin-blockade regime of a double quantum dot by a nonequilibrium phonon environment.

Jan. 20

I was featured in the young researcher interview of quantum ICT forum.

Jan. 1

Happy new year.

2020

September 18

Our paper about the half-integer Shapiro steps has been published on Phys. Rev. Research (Phys. Rev. Research 2, 033435 (2020)). This research is the collaborative work with Riken, JST, The Univ. of Tokyo, CNRS, Peking Univ., and Lund Univ..

July 22

A new paper has been published on Phys. Rev. Research (Phys. Rev. Research 2, 033120 (2020)). We report on full counting statistics of spin-flip and spin-conserving charge transitions in Pauli-spin blockade on a GaAs double quantum dot. This research is the collaborative work with Riken, JST, The Univ. of Tokyo, Kyushu Univ., and Ruhr Univ..

July 3

A new paper has been published on Phys. Rev. B (Phys. Rev. B 102, 045301 (2020)). We report on evaluation of the Josephson vortices core size using the Corbino-geometry Josephson junctions. This research is the collaborative work with Riken, JST, The Univ. of Tokyo, and Univ. of California.

June 14

I was awarded the 33th Ando Incentive Prize for the Study of Electronics. I would like to thank everyone who has supported me so far.

April 30

A new paper is now available on arXiv. In this manuscript, we report on the half-integer Shapiro steps observed in an InAs nanowire Josephson junction.  This research is the collaborative work with Riken, JST, The Univ. of Tokyo, CNRS, Peking Univ., and Lund Univ..

March 12

A new paper has been published on Phys. Rev. B (Phys. Rev. B 101, 115410  (2020)). We report on the AC Josephson effect of Josephson junctions on gate-tunable 3D TI thin films. This research is the collaborative work with Riken, JST, The Univ. of Tokyo, and Penn State Univ..

Feb. 22　

Start this web site.