Research Interest
Introduction (for students interested in working in my group)
Nano Quantum Physics Group (N. Taniguchi Lab.) is a research group working theoretically on condensed matter physics, especially various exotic quantum properties of mesoscopic and nanostructure systems, based on standard and non-standard quantum field theories approaches. My interest covers from applications in semiconductor material to related issues in mathematical physics.
Below, I introduce the list of selected publications I have been working over the last years. Surely, I am always having a keen eye for working in a new field!
For students who get interest in working in my research group, please contact me via email[1].
[1] taniguchi*n*gf "AT" u*tsukuba*ac*jp (<- by replacing * by 'dot')
List of selected publications by N. Taniguchi
Enhancement of thermoelectricity at the nanoscale
N. Taniguchi, Quantum control of nonlinear thermoelectricity at the nanoscale [arXiv:1912.11562, Phys. Rev. B 101, 115404 (2020)]
Quantum thermodynamics at nanoscale
N. Taniguchi, Quantum thermodynamics of nanoscale steady states far from equilibrium [arXiv:1710.07385, Phys. Rev. B 97, 155404 (2018)].
Path integral methods of locally interacting systems
N. Taniguchi, Exact path-integral evaluation of locally interacting systems: The subtlety of operator ordering, [arXiv:1709.09303, Phys. Rev. A 96, 042105 (2017)].
Quantum transport in Multiterminal + nonequilibrium + strong correlated system
N. Taniguchi, Multiterminal Anderson impurity model in nonequilibrium: Analytical perturbative treatment, [arXiv:1409.1294, Phys. Rev. B 90, 115421 (2014)].
Nano quantum interferomenter; Spintronics; Spin-Orbit interaction
N. Taniguchi and K. Isozaki, Spin Current Generation as a Nonequilibrium Kondo Effect in a Spin-Orbit Mesoscopic Intererometer, J. Phys. Soc. Japan, 81 124708 (2012).
Quantum transport of carbon nanotube dot
H. Oguchi and N. Taniguchi, Universal Conductance Enhancement and Reduction of the Two-Orbital Kondo Effect, J. Phys. Soc. Japan 79 054706 (2010).
Hole localization of one-dimensional Anderson-Hubbard model
M. Okumura, S. Yamada, N. Taniguchi and M. Machida, Hole Localization in One-Dimensional Doped Anderson-Hubbard Model, Phys. Rev. Lett. 101, 016407 (2008).
Renomalization of quantum dots: Quantum chaos and electron correlation
M. Hamatani and N. Taniguchi, Low energy effective interaction of XXZ spin interaction in the two-dimensional quantum dot, Physica E 29 597 (2005).
Non-Hermitian induced delocalization transition
T. Kuwae and N. Taniguchi, Two-dimensional non-Hermitian delocalization transition as a probe for the localization length, Phys. Rev. B 64 R201321 (2001).
Integer quantum Hall plateau transitions and conformal field theory
M. J. Bhaseen, I. I. Kogan, O. A. Soloviev, N. Taniguchi and A. M. Tsvelik, Towards a Field Theory of the Plateau Transitions in the Integer Quantum Hall Effect, Nucl. Phys. B 580, 688 (2000).
Two-dimensioanl random Dirac fermions, multifractality and conformal field theory
J.-S. Caux, N. Taniguchi and A. M. Tsvelik, Termination of Multifractal Behavior for Critical Disordered Dirac Fermions, Phys. Rev. Lett. 80, 1276 (1998).
J.-S. Caux, N. Taniguchi and A. M. Tsvelik, Disordered Dirac Fermions Multifractality: Termination and Logarithmic Conformal Field Theories, Nucl. Phys. B 525, 671 (1998).
Spatial correlation of a quantum chaotic wavefuction
V. N. Prigodin, N. Taniguchi, A. Kudrolli, V. Kidambi, S. Sridhar, Spatial correlation in quantum chaotic systems with time-reversal symmetry: theory and experiment, Phys. Rev. Lett. 75 2392 (1995).
Supermatrix approach to the chiral random matrix theory
A. V. Andreev, B. D. Simons, and N. Taniguchi, Supersymmetry applied to the spectrum edge of random matrix ensembles, Nucl. Phys. B 432, 487 (1994).
Quantum chaos and universal ac response of complex metals
N. Taniguchi and B. L. Altshuler, Universal ac conductivity and dielectric response of periodic chaotic systems, Phys. Rev. Lett. 71, 4031 (1993).
Crossover driven by T-invariance breaking in quantum chaos
N. Taniguchi, A. Hashimoto, B. D. Simons, and B. L. Altshuler, Crossover driven by time-reversal symmetry breaking in quantum chaos, Europhys. Lett. 27 335 (1994).
Quantum chaos and one-dimensional solvable models
N. Taniguchi, B. S. Shastry and B. L. Altshuler, Random Matrix Model and the Calogero-Sutherland Model: A novel Current-Density Mapping, Phys. Rev. Lett. 75 3724 (1995).
Phase-conjugated wave generation and exciton localization
N. Taniguchi and E. Hanamura, Localized-delocalized transition of the exciton and scaling description of phase-conjugated wave generation, Phys. Rev. B 47 12470 (1993).