75 citations · 190 across the 10 of their papers we have counts for
4 papers · 1 filter
Exciton Lifetime Paradoxically Enhanced by Dissipation and Decoherence - Toward Efficient Energy Conversion of Solar Cell
Yasuhiro Yamada, Youhei Yamaji, Masatoshi Imada
Energy dissipation and decoherence are at first glance harmful to acquiring long exciton lifetime desired for efficient photovoltaics. In the presence of both optically forbidden (…
Universal departure from Johnson-Nyquist relation caused by limited resolution
Yasuhiro Yamada, Masatoshi Imada
Exploiting the two-point measurement statistics, we propose a quantum measurement scheme of current with limited resolution of electron counting. Our scheme is equivalent to the fu…
Interplay of Kondo and superconducting correlations in the nonequilibrium Andreev transport through a quantum dot
Yasuhiro Yamada, Yoichi Tanaka, Norio Kawakami
Using the modified perturbation theory, we theoretically study the nonequilibrium Andreev transport through a quantum dot coupled to normal and superconducting leads (N-QD-S), whic…
Enhanced Andreev Tunneling via the Kondo Resonance in a Quantum Dot at Finite Bias
Yasuhiro Yamada, Yoichi Tanaka, Norio Kawakami
We study the nonequilibrium transport through a quantum dot coupled to normal and superconducting leads. We use the modified second-order perturbation theory to calculate the diffe…