Faculty Profiles - TANAKA, Yukio

Papers - TANAKA, Yukio

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Quantum dissipation due to the zero energy bound states in high Tc superconductor junctions Reviewed

S. Kawabata, S. Kashiwaya, Y. Asano, Y. Tanaka, T. Kato and A. A. Golubov

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 143-148 2008

Theory of proximity effect in unconventional superconductor junctions Invited Reviewed

Y. Tanaka, T. Yokoyama, S. Kashiwaya, A. A. Golubov and Y. Asano

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 168-174 2008

Threshold temperature of zero-bias conductance peak and zero-bias conductance dip in diffusive normal metal / superconductor junctions Reviewed

I. Shigeta, T. Yokoyama, Y. Asano, F. Ichikawa, and Y. Tanaka

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics page： 111-117 2008

Theoretical study of synergic effect between proximity effect and Andreev interference resonant states in triplet p-wave superconductors Reviewed

Y. Tanuma, Y. Tanaka, and S. Kashiwaya

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 161-167 2008

Theory of Josephson effect in diffusive d-wave junctions Reviewed

T. Yokoyama, Y. Tanaka, A. A. Golubov and Y. Asano

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 136-142 2008

Theory of enhanced proximity effect by the exchange field in FS bilayers Reviewed

T. Yokoyama, Y. Tanaka and A. A. Golubov

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 130-135 2008

Spin-polarized heat transport in ferromagnet / unconventional superconductor junctions Reviewed

T. Yokoyama and Y. Tanaka

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 149-154 2008

Tunneling conductance in 2DEG/S junctions in the presence of Rashba spin-orbit coupling Reviewed

T. Yokoyama, Y. Tanaka and J. Inoue

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 118-123 2008

Theory of charge transport in diffusive ferromagnet / p-wave superconductor junctions Reviewed

T. Yokoyama, Y. Tanaka and A. A. Golubov

Controllable Quantum States, Mesoscopic Superconductivity and Spintronics, World Scientific Publishing page： 124-129 2008

奇周波数クーパー対と超伝導近接効果 Invited Reviewed

田仲由喜夫浅野泰寛横山毅人

固体物理 Vol. 42 ( 6 ) page： 345-363 2007.6

*Theory of the proximity effect in junctions with unconventional superconductors Invited Reviewed Open Access

Y. Tanaka and A. A. Golubov

Physical Review Letters Vol. 98 ( 3 ) page： 037003_1-4 2007

Language：English Publishing type：Research paper (scientific journal)

We present a general theory of the proximity effect in junctions between diffusive normal metals (DN)
and superconductors. Various possible symmetry classes in a superconductor are considered: evenfrequency
spin-singlet even-parity (ESE) state, even-frequency spin-triplet odd-parity state, oddfrequency
spin-triplet even-parity (OTE) state and odd-frequency spin-singlet odd-parity state. It is shown
that the pair amplitude in a DN belongs, respectively, to an ESE, OTE, OTE, and ESE pairing state since
only the even-parity s-wave pairing is possible due to the impurity scattering.

DOI： 10.1103/PhysRevLett.98.037003

Open Access

Andreev bound states and tunneling characteristics of a non-centrosymmetric superconductor Reviewed

C. Iniotakis, N. Hayashi, T. Sawa, T. Yokoyama, U. May, Y. Tanaka and M. Sigrist.

Physical Review B Vol. 76 ( 1 ) page： 012501_1-4 2007

Anomalous Josephson effect between even- and odd-frequency superconductors Reviewed Open Access

Y. Tanaka, A. Golubov, S. Kashiwaya and M. Ueda

Physical Review Letters Vol. 99 page： 037005_1-4 2007

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

We demonstrate that, contrary to standard wisdom, the lowest-order Josephson coupling is possible
between odd- and even-frequency superconductors. The origin of this effect is the induced odd- (even-
)frequency pairing component at the interface of bulk even- (odd-)frequency superconductors. The
resulting current-phase relation is found to be proportional to cos\phi, where \phi is the macroscopic phase difference between the two superconductors.

DOI： 10.1103/PhysRevLett.99.037005

Open Access

Theory of tunneling spectroscopy of ferromagnetic superconductors Reviewed

T. Yokoyama and Y. Tanaka

Physical Review B Vol. 75 ( 13 ) page： 132503_1-4 2007

Quasiclassical green's function theory of Josephson effect in chiral p-wave superconductor / diffusive normal metal / chiral p-wave superconductor junctions Reviewed

Y. Sawa, T. Yokoyama, Y. Tanaka and A. A. Golubov

Physical Review B Vol. 75 ( 13 ) page： 134508_1-9 2007

Angular dependence of Josephson currents in unconventional superconducting junctions Reviewed Open Access

T. Yokoyama, Y. Tanaka and A. A. Golubov.

Physical Review B, (Rapid Communications) Vol. 75 ( 2 ) page： 020502_1-4 2007

Theory of Superconductivity of Carbon Nanotubes and Graphene Reviewed Open Access

K. Sasaki, J. Jiang, R. Saito, S. Onari and Y. Tanaka

Journal of the Physical Society of Japan Vol. 76 ( 3 ) page： 033702_1-4 2007

Manifestation of the odd-frequency spin-triplet pairing state in diffusive ferromagnet / superconductor junctions Reviewed

T. Yokoyama, Y. Tanaka and A. A. Golubov.

Physical Review B Vol. 75 ( 13 ) page： 134510_1-8 2007

A unified origin for the 3D magnetism and superconductivity in NaxCoO2 Reviewed

K. Kuroki, S. Ohkubo, T. Nojima, R. Arita, S. Onari and Y. Tanaka.

Physical Review Letters Vol. 98 ( 13 ) page： 136401_1-4 2007

Theory of the Josephson effect in unconventional superconducting junctions with diffusive barriers Reviewed Open Access

T. Yokoyama, Y. Tanaka and A. A. Golubov

Physical Review B Vol. 75 ( 9 ) page： 094518_1-10 2007

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Papers - TANAKA, Yukio