51 citations · 118 across the 8 of their papers we have counts for
8 papers
Involvement of structural dynamics in the charge-glass formation in molecular metals
Tatjana Thomas, Yohei Saito, Yassine Agarmani +5
We present a combined study of thermal expansion and resistance fluctuation spectroscopy measurements exploring the static and dynamic aspects of the charge-glass formation in the…
Spin liquid and ferroelectricity close to a quantum critical point in PbCuTeO
Christian Thurn, Paul Eibisch, Arif Ata +13
Geometrical frustration among interacting spins combined with strong quantum fluctuations destabilize long-range magnetic order in favour of more exotic states such as spin liquids…
Rise and Fall of Landau's Quasiparticles While Approaching the Mott Transition
Andrej Pustogow, Yohei Saito, Anja Löhle +5
Landau suggested that the low-temperature properties of metals can be understood in terms of long-lived quasiparticles with all complex interactions included in Fermi-liquid parame…
Detuning the Honeycomb of -RuCl: Pressure-Dependent Optical Studies Reveal Broken Symmetry
Tobias Biesner, Sananda Biswas, Weiwu Li +10
The honeycomb Mott insulator -RuCl loses its low-temperature magnetic order by pressure. We report clear evidence for a dimerized structure at GPa and observe the brea…
Discreteness-induced transitions in multi-body reaction systems
Yohei Saito, Yuki Sughiyama, Kunihiko Kaneko +1
A decrease in system size can induce qualitatively different behavior compared to the macroscopic behavior of the corresponding large-size system. The mechanisms of this transition…
Dynamic Critical Exponent from One- and Two-Particle Irreducible 1/N Expansions of Effective and Microscopic Theories
Osamu Morimatsu, Hirotsugu Fujii, Kazunori Itakura +1
We study the dynamic critical exponent from effective and microscopic theories. We employ a simple TDGL model, or model A in the classification of Hohenberg and Halperin, as an eff…
Microscopic identification of dissipative modes in relativistic field theories
Yohei Saito, Hirotsugu Fujii, Kazunori Itakura +1
We present an argument to support the existence of dissipative modes in relativistic field theories. In an O(N) theory in spatial dimension , a relaxation constant $Γ…
Critical exponents from two-particle irreducible 1/N expansion
Yohei Saito, Hirotsugu Fujii, Kazunori Itakura +1
We calculate the critical exponent in the 1/N expansion of the two-particle-irreducible (2PI) effective action for the O(N) symmetric model in three spatial dimensions. T…