YAMAGUCHI, Yoshiyuki
Assistant Professor
Department of Applied Mathematics and Physics
Graduate School of Informatics
Kyoto University
Kyoto 6068501, Japan
Office:
SOUGOUKENKYU Bld. #10, Room #307
Areas of Interest:
 Dynamical Theory of Hamiltonian Systems with Many Degrees of Freedom
 Renormalization Group Method in Differential Equations
Representative Publications:
 Y.Y.Yamaguchi,
"Slow relaxation at critical point of second order phase transition
in a highly chaotic hamiltonian system",
Progress of Theoretical Physics (1996) 95, 71731.
 Y.Y.Yamaguchi,
"Second order phase transition in a highly chaotic Hamiltonian system
with many degrees of freedom",
International Journal of Bifurcation and Chaos (1997) 7, 83947.
 Y.Y.Yamaguchi,
"New universality of Lyapunov spectra in Hamiltonian systems",
Journal of Physics A (1998) 31, 195207.
 Y.Y.Yamaguchi and T.Konishi,
"A geometrical model for stagnant motions in Hamiltonian systems
with many degrees of freedom",
Progress of Theoretical Physics (1998) 99, 13944.
 Y.Y.Yamaguchi and Y.Nambu,
"Renormalization group equations and integrability in Hamiltonian systems",
Progress of Theoretical Physics (1998) 100, 199204.
 Y.Nambu and Y.Y.Yamaguchi,
"Renormalization of the longwavelength solution of Einstein equation"
Physical Review D (1999) 60, 104011.
 Y.Y.Yamaguchi and T.Iwai,
"Geometric Approach to Lyapunov Analysis in Hamiltonian Dynamics",
Physical Review E (2001) 64, 066206.
 Y.Y.Yamaguchi,
"Relaxation and Diffusion in a Globally Coupled Hamiltonian System",
Physical Review E (2003) 68, 066210.
 Y.Y.Yamaguchi, J.Barre', F.Bouchet, T.Dauxois and S.Ruffo,
"Stability criteria of the Vlasov equation and quasistationary states of the HMF model",
Physica A (2004) 337, 3666.
 S.Goto and Y.Y.Yamaguchi,
"Nonuniversal finite size effects with universal infinitesize free energy",
Physica A (2005) 354, 312322.
 J.Barre', F.Bouchet, T.Dauxois, S.Ruffo and Y.Y.Yamaguchi,
"The Vlasov equation and the Hamiltonian MeanField model",
Physica A (2006) 365, 177183.
 Y.Y.Yamaguchi, F.Bouchet and T.Dauxois
"Algebraic correlation function and anomalous diffusion in the HMF model",
J.Stat.Mech. (2007) P01020.
 A.Antoniazzi, D.Fanelli, S.Ruffo and Y.Y.Yamaguchi,
"Nonequilibrium tricritical point in a system with longrange interactions",
Phys.Rev.Lett. (2007) 99, 040601.
 Y.Y.Yamaguchi,
"Onedimensional selfgravitating sheet model and LyndenBell statistics",
Phys.Rev.E (2008) 78, 041114.
 J.Barre' and Y.Y.Yamaguchi,
"Small traveling clusters in attractive and repulsive Hamiltonian meanfield models",
Phys.Rev.E (2009) 79, 036208.
 R.Bachelard, C.Chandre, A.Ciani, D.Fanelli and Y.Y.Yamaguchi,
"Analytical results on the magnetization of the Hamiltonian meanfield model",
Phys.Lett.A (2009) 373, 42394245.
 J.Barre', A.Olivetti and Y.Y.Yamaguchi,
"Dynamics of perturbations around inhomogeneous backgrounds in the HMF model",
J.Stat.Mech. (2010) P08002.
 Y.Y.Yamaguchi,
"Construction of traveling clusters in the Hamiltonian meanfield model by nonequilibrium statistical mechanics and BernsteinGreeneKruskal waves",
Phys.Rev.E (2011) 84, 016211.
 J.Barre', A.Olivetti and Y.Y.Yamaguchi,
"Algebraic damping in the onedimensional Vlasov equation",
J.Phys.A (2011) 44, 405502.
 S.Ogawa and Y.Y.Yamaguchi,
"Precise determination of the nonequilibrium tricritical point based on LyndenBell theory in the Hamiltonian meanfield model",
Phys.Rev.E (2011) 84, 061140.
 S.Ogawa and Y.Y.Yamaguchi,
"Linear response theory in the Vlasov equation for homogeneous and for inhomogeneous quasistationary states",
Phys.Rev.E (2012) 85, 061115.
 P.De Buyl, G.De Ninno, D.Fanelli, C.Nardini, A.Patelli, F.Piazza and Y.Y.Yamaguchi,
"Absence of thermalization for systems with longrange interactions coupled to a thermal bath",
Phys.Rev.E (2013) 87, 042110.
Academic Degree:
Doctor of Science (Nagoya University)
Academic Society:
Physical Society of Japan
Courses

Undergraduate Courses:
Execise, Seminar
Further Informations:
Last modified: Wed Jan 11 19:46:18 JST 2017