Yuichi Ohnuma

  • Published: 2018-06-05

Yuichi Ohnuma (大沼 悠一)

 

Position

Postdoctoral Scholar

 

Education

Ph.D (2011 - 2016)

Ph.D. in Physics, Tohoku University, Japan

B. S. (2007 - 2011)

B. S. in Physics, Tohoku University, Japan

 

Professional Experience

Postdoctoral Fellow, Advanced Science Research Center, Japan Atomic Energy Agency, 2016.04–2018.03

Postdoctoral Fellow, Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, 2018.04–present

 

Research Activities

  • Spin Seebeck and spin Peltier effects
  • Spin pumping and modulation of FMR linewidth
  • Spin current noise
  • Spin Hall effect
  • Spin transport with spin vorticity coupling

 

Publications

M. Mamoru, Y. Ohnuma, T. Kato, and S. Maekawa

“Spin Current Noise of the Spin Seebeck Effect and Spin Pumping”

Physical Review Letters 120, 037201 (2018).

 

Y. Ohnuma, M. Mamoru, and S. Maekawa

“Theory of the spin Peltier effect”

Physical Review B 96, 134412 (2017).

 

M. Mamoru, Y. Ohnuma, and S. Maekawa

“Theory of spin hydrodynamic generation”

Physical Review B 96, 020401(R) (2017).

 

Y. Ohnuma, M. Mamoru, and S. Maekawa

“Spin transport in half-metallic ferromagnets”

Physical Review B 94, 184405 (2016).

 

S. Geprägs, A. Kehlberger, F. D. Coletta, Z. Qiu, E.-J. Guo, T. Schulz, C. Mix, S. Meyer, A. Kamra, M. Althammer, H. Huebl, G. Jakob, Y. Ohnuma, H. Adachi, J. Barker, S. Maekawa, G. E. W. Bauer, E. Saitoh, R. Gross, S. T. B. Goennenwein, and M. Kläui

“Origin of the spin Seebeck effect in compensated ferrimagnets”

Nature Communications 7, 10452 (2016).

 

Y. Ohnuma, H. Adachi, E. Saitoh, and S. Maekawa

“Magnon instability driven by heat current in magnetic bilayers”

Physical Review B 92, 224404 (2015).

 

Y. Ohnuma, H. Adachi, E. Saitoh, and S. Maekawa

“Enhanced dc spin pumping into a fluctuating ferromagnet near Tc”

Physical Review B 89, 174417 (2014).

 

Y. Ohnuma, H. Adachi, E. Saitoh, and S. Maekawa

“Spin Seebeck effect in antiferromagnets and compensated ferrimagnets”

Physical Review B 87, 014423 (2013).

 

Contact

Email: yuichi@ucas.ac.cn; yuichiohnuma@gmail.com

Address: Rm. 407, Building A, Institute of Physics, CAS, Haidian Dist., Beijing

 

 

Personal CV download

 

 

 

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