155 citations · 720 across the 34 of their papers we have counts for
35 papers
Beyond low-dissipation regime: general condition for Curzon-Ahlborn efficiency
Yuki Izumida
In recent years, physicists have extensively investigated the universality of Curzon-Ahlborn (CA) efficiency as the efficiency at maximum power of heat engines, which, like Carnot…
Irreversibility of many-body harmonic oscillators characterized by generalized Husimi's adiabaticity parameter
Kyosuke Watanabe, Yuki Izumida
In a classical paper [K. Husimi, Prog. Theor. Phys. 9, 381 (1953)], Husimi showed that, for a single harmonic oscillator with a time-dependent angular frequency and initial conditi…
Universal Thermodynamic Law Governing Stochastic Pendulum Clocks
Yuki Izumida
Clocks' performance, especially their precision, is fundamentally limited by thermodynamic laws as they are physical devices. Yet, it is known that the established thermodynamic un…
Determining Critical Temperature Differences of Low-Temperature-Differential Stirling Engines: Nonlinear Dynamics Approach
Momoko Amemiya, Yuki Izumida
While the low-temperature-differential (LTD) Stirling engines are innovative engines that can operate with low temperature differentials in our daily life, the problem of determini…
Mean-Field Theory for Heider Balance under Heterogeneous Social Temperatures
Zhen Li, Yuki Izumida
Heider balance theory provides a fundamental framework for understanding the formation of friendly and hostile relations in social networks. Existing stochastic formulations typica…
Irreversibility of the pendulum revisited from Husimi's adiabaticity parameter
Yuki Izumida
We revisit the irreversibility of the pendulum with time-dependent angular frequency, considered in a classical paper by K. Husimi. He introduced a parameter that measures the adia…
Nonlinear refrigerator with a finite-sized cold heat bath
I. Iyyappan, Yuki Izumida, Sibasish Ghosh
We study the refrigerator working between a finite-sized cold heat bath and an infinite-sized hot heat bath (environment) in the nonlinear response regime. We assume that the initi…
Nonequilibrium thermodynamics of populations of weakly-coupled low-temperature-differential Stirling engines with synchronous and asynchronous transitions
Songhao Yin, Hiroshi Kori, Yuki Izumida
This study developed the theory of nonequilibrium thermodynamics for populations of low-temperature-differential (LTD) Stirling engines weakly-coupled in a general class of network…
Formulation of Entropy through Work by Carnot Machine and Direct Derivation of Law of Entropy Non-Decrease from Kelvin-Planck Principle
Yuki Izumida
We derive the law of entropy non-decrease directly from the Kelvin-Planck principle for simple and compound systems without using the Clausius inequality. A key of the derivation i…
Decomposition of metric tensor in thermodynamic geometry in terms of relaxation timescales
Zhen Li, Yuki Izumida
Geometrical methods are extensively applied to thermodynamics including stochastic thermodynamics. In the case of slow-driving linear response regime, a geometrical framework, know…
Non-unique detailed constructions of Curzon-Ahlborn cycle on thermodynamic plane
Yuki Izumida
The Curzon-Ahlborn (CA) cycle is a paradigmatic model of endoreversible heat engines, which yields the so-called CA efficiency as the efficiency at maximum power. Due to the arbitr…
Transportation efficiency of hydrodynamically coupled spherical oscillators in low Reynolds number fluids
Weiwei Su, Yuki Izumida, Hiroshi Kori
Most bacteria are driven by the cilia or flagella, consisting of a long filament and a rotary molecular motor through a short flexible hook. The beating pattern of these filaments…
Synchronization approach to achieving maximum power and thermal efficiency for weakly-coupled low-temperature-differential Stirling engines
Songhao Yin, Hiroshi Kori, Yuki Izumida
Low-temperature-differential (LTD) Stirling engines are heat engines that can operate autonomously with a slight temperature difference between low-temperature heat reservoirs and…
Thermodynamic efficiency of atmospheric motion governed by Lorenz system
Zhen Li, Yuki Izumida
The Lorenz system was derived on the basis of a model of convective atmospheric motions and may serve as a paradigmatic model for considering a complex climate system. In this stud…
Non-quasistatic response coefficients and dissipated availability for macroscopic thermodynamic systems
Yuki Izumida
The characterization of finite-time thermodynamic processes is of crucial importance for extending equilibrium thermodynamics to nonequilibrium thermodynamics. The central issue is…
Irreversible efficiency and Carnot theorem for heat engines operating with multiple heat baths in linear response regime
Yuki Izumida
The Carnot theorem, one expression of the second law of thermodynamics, places a fundamental upper bound on the efficiency of heat engines operating between two heat baths. The Car…
Achieving Carnot efficiency in a finite-power Brownian Carnot cycle with arbitrary temperature difference
Kosuke Miura, Yuki Izumida, Koji Okuda
Achieving the Carnot efficiency at finite power is a challenging problem in heat engines due to the trade-off relation between efficiency and power that holds for general heat engi…
Hierarchical Onsager symmetries in adiabatically driven linear irreversible heat engines
Yuki Izumida
In existing linear response theories for adiabatically driven cyclic heat engines, Onsager symmetry is identified only phenomenologically, and a relation between global and local O…
Compatibility of Carnot efficiency with finite power in an underdamped Brownian Carnot cycle in small temperature-difference regime
Kosuke Miura, Yuki Izumida, Koji Okuda
We study the possibility of achieving the Carnot efficiency in a finite-power underdamped Brownian Carnot cycle. Recently, it was reported that the Carnot efficiency is achievable…
Quasi-linear irreversible thermodynamics of a low-temperature-differential kinematic Stirling heat engine
Yuki Izumida
Low-temperature-differential (LTD) Stirling heat engines are able to operate with a small temperature difference between low-temperature heat reservoirs that exist in our daily liv…
Fast forward approach to stochastic heat engine
Katsuhiro Nakamura, Jasur Matrasulov, Yuki Izumida
The fast-forward (FF) scheme proposed by Masuda and Nakamura (\textit{Proc. R. Soc. A} \textbf{466}, 1135 (2010)) in the context of conservative quantum dynamics can reproduce a qu…
Experimental characterization of autonomous heat engine based on minimal dynamical-system model
Shoichi Toyabe, Yuki Izumida
The autonomous heat engine is a model system of autonomous nonequilibrium systems like biological cells, exploiting nonequilibrium flow for operations. As the Carnot engine has ess…
Nonlinear dynamics analysis of a low-temperature-differential kinematic Stirling heat engine
Yuki Izumida
The low-temperature-differential (LTD) Stirling heat engine technology constitutes one of the important sustainable energy technologies. The basic question of how the rotational mo…
Transition probability generating function of a transitionless quantum parametric oscillator
Hiroaki Mishima, Yuki Izumida
The transitionless tracking (TT) algorithm enables the exact tracking of quantum adiabatic dynamics in an arbitrary short time by adding a counterdiabatic Hamiltonian to the origin…