Search Results - "Saito, Keiji"

Journal Article

Fundamental aspects of steady-state conversion of heat to work at the nanoscale

by Benenti, Giuliano Casati, Giulio Saito, Keiji Whitney, Robert S Published in Physics reports (09.06.2017)

“...In recent years, the study of heat to work conversion has been re-invigorated by nanotechnology. Steady-state devices do this conversion without any...”

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Journal Article

Thermodynamic Geometry of Microscopic Heat Engines

by Brandner, Kay Saito, Keiji Published in Physical review letters (31.01.2020)

“...We develop a general framework to describe the thermodynamics of microscopic heat engines driven by arbitrary periodic temperature variations and modulations...”

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Journal Article

Area law of noncritical ground states in 1D long-range interacting systems

by Kuwahara, Tomotaka Saito, Keiji Published in Nature communications (08.09.2020)

“...Abstract The area law for entanglement provides one of the most important connections between information theory and quantum many-body physics. It is not only...”

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Journal Article

Thermodynamic Bounds on Precision in Ballistic Multiterminal Transport

by Brandner, Kay Hanazato, Taro Saito, Keiji Published in Physical review letters (02.03.2018)

“...For classical ballistic transport in a multiterminal geometry, we derive a universal trade-off relation between total dissipation and the precision, at which...”

Journal Article

Eigenstate Thermalization from the Clustering Property of Correlation

by Kuwahara, Tomotaka Saito, Keiji Published in Physical review letters (01.05.2020)

“...Phys. Rev. Lett. 124, 200604 (2020) The clustering property of an equilibrium bipartite correlation is one of the most general thermodynamic properties in...”

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Journal Article

Information-Theoretical Bound of the Irreversibility in Thermal Relaxation Processes

by Shiraishi, Naoto Saito, Keiji Published in Physical review letters (01.09.2019)

“...We establish that entropy production, which is crucial to the characterization of thermodynamic irreversibility, is obtained through a variational principle...”

Journal Article

Thermodynamics of Micro- and Nano-Systems Driven by Periodic Temperature Variations

by Brandner, Kay Saito, Keiji Seifert, Udo Published in Physical review. X (01.08.2015)

“...Phys. Rev. X 5, 031019 (2015) We introduce a general framework for analyzing the thermodynamics of small systems that are driven by both a periodic temperature...”

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Journal Article

Speed Limit for Classical Stochastic Processes

by Shiraishi, Naoto Funo, Ken Saito, Keiji Published in Physical review letters (17.08.2018)

“...We consider the speed limit for classical stochastic Markov processes with and without the local detailed balance condition. We find that, for both cases, a...”

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Journal Article

Fundamental Relation Between Entropy Production and Heat Current

by Shiraishi, Naoto Shiraishi, Naoto Saito, Keiji Saito, Keiji Published in Journal of statistical physics (30.01.2019)

“...We investigate the fundamental relation between entropy production rate and the speed of energy exchange between a system and baths in classical Markov...”

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Journal Article

Thermal Conductivity for Coupled Charged Harmonic Oscillators with Noise in a Magnetic Field

by Saito, Keiji Sasada, Makiko Published in Communications in mathematical physics (01.08.2018)

“...We introduce a d-dimensional system of charged harmonic oscillators in a magnetic field perturbed by a stochastic dynamics which conserves energy but not...”

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Journal Article

Uncertainty Relations in Implementation of Unitary Operations

by Tajima, Hiroyasu Shiraishi, Naoto Saito, Keiji Published in Physical review letters (14.09.2018)

“...The underlying mechanism in the implementation of unitary operation on a system with an external apparatus is studied. We implement the unitary time evolution...”

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Journal Article

Floquet–Magnus theory and generic transient dynamics in periodically driven many-body quantum systems

by Kuwahara, Tomotaka Mori, Takashi Saito, Keiji Published in Annals of physics (01.04.2016)

“...This work explores a fundamental dynamical structure for a wide range of many-body quantum systems under periodic driving. Generically, in the thermodynamic...”

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Journal Article

Strictly Linear Light Cones in Long-Range Interacting Systems of Arbitrary Dimensions

by Kuwahara, Tomotaka Saito, Keiji Published in Physical review. X (01.07.2020)

“...Phys. Rev. X 10, 031010 (2020) In locally interacting quantum many-body systems, the velocity of information propagation is finitely bounded and a linear light...”

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Journal Article

Thermalization and Heating Dynamics in Open Generic Many-Body Systems

by Ashida, Yuto Saito, Keiji Ueda, Masahito Published in Physical review letters (26.10.2018)

“...The last decade has witnessed remarkable progress in our understanding of thermalization in isolated quantum systems. Combining the eigenstate thermalization...”

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Journal Article

Speed limit for open quantum systems

by Funo, Ken Shiraishi, Naoto Saito, Keiji Published in New journal of physics (09.01.2019)

“...We study the quantum speed limit for open quantum systems described by the Lindblad master equation. The obtained inequality shows a trade-off relation between...”

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Journal Article

Heat transport via a local two-state system near thermal equilibrium

by Yamamoto, Tsuyoshi Kato, Masanari Kato, Takeo Saito, Keiji Published in New journal of physics (13.09.2018)

“...Heat transport in spin-boson systems near the thermal equilibrium is systematically investigated. An asymptotically exact expression for the thermal...”

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Journal Article

5 / 6-Superdiffusion of Energy for Coupled Charged Harmonic Oscillators in a Magnetic Field

by Saito, Keiji Sasada, Makiko Suda, Hayate Published in Communications in mathematical physics (01.11.2019)

“...We consider a one-dimensional infinite chain of coupled charged harmonic oscillators in a magnetic field with a small stochastic perturbation of order...”

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Journal Article

Energy Current Cumulants in One-Dimensional Systems in Equilibrium

by Dhar, Abhishek Saito, Keiji Roy, Anjan Published in Physical review letters (01.06.2018)

“...A recent theory based on fluctuating hydrodynamics predicts that one-dimensional interacting systems with particle, momentum, and energy conservation exhibit...”

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Journal Article

Researchers’ career transitions over the life cycle

by Kawaguchi, Daiji Kondo, Ayako Saito, Keiji Published in Scientometrics (01.12.2016)

“...Based on a unique time-use survey of academic researchers in Japan, this study finds that research time decreases over the life cycle. The decrease in total...”

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Journal Article

Universal First-Passage-Time Distribution of Non-Gaussian Currents

by Singh, Shilpi Menczel, Paul Golubev, Dmitry S Khaymovich, Ivan M Peltonen, Joonas T Flindt, Christian Saito, Keiji Roldán, Édgar Pekola, Jukka P Published in Physical review letters (14.06.2019)

“...We investigate the fluctuations of the time elapsed until the electric charge transferred through a conductor reaches a given threshold value. For this...”

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