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Recently, there has been increasing interest in understanding correlations in quantum lattice systems prompted by applications in quantum information theory and computation [10, 3, 2, 4] and theâ€¦ (More)

- Yuichi Kimura, Kazuo Yonaga, Keiko Yokoyama, J. Kinoshita, Yoshiko Ogata, Koukichi Matsumoto
- Journal of endodontics
- 2002

The authors measured the temperature of the root surface during root canal preparation using Er:YAG laser irradiation and evaluated the thermal effect on the periodontal region. Twenty extractedâ€¦ (More)

- Yoshiko Ogata, Keisuke Aoe, +7 authors Mitsune Tanimoto
- Acta medica Okayama
- 2011

The objective of this study was to evaluate the utility of the determination of adenosine deaminase (ADA) level in pleural fluid for the differential diagnosis between tuberculous pleural effusionâ€¦ (More)

- Vojkan Jaksic, Yoshiko Ogata, Claude-Alain Pillet, V Jaksic, Y. Ogata, C.-A. Pillet
- 2005

We study linear response theory in the general framework of algebraic quantum statistical mechanics and prove the Green-Kubo formula and the Onsager reciprocity relations for heat fluxes generated byâ€¦ (More)

We extend the mathematical theory of quantum hypothesis testing to the general W âˆ—-algebraic setting and explore its relation with recent developments in non-equilibrium quantum statisticalâ€¦ (More)

- Vojkan Jaksic, Yoshiko Ogata, Claude-Alain Pillet, V Jaksic, Y. Ogata, C.-A. Pillet
- 2005

The spin-fermion model describes a two level quantum system S (spin 1/2) coupled to finitely many free Fermi gas reservoirs Rj which are in thermal equilibrium at inverse temperatures Î²j . Weâ€¦ (More)

- Yoshiko Ogata
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

We investigate the magnetization profile in the intermediate time of diffusion by using the C*-algebraic method. We observe a transition from monotone profile to nonmonotone profile. This transitionâ€¦ (More)

- Yoshiko Ogata
- 2008

We show the full large deviation principle for KMS-states and Câˆ—finitely correlated states on a quantum spin chain. We cover general local observables. Our main tool is Ruelleâ€™s transfer operatorâ€¦ (More)

- Yoshiko Ogata
- 2005

We investigate local distinguishability of quantum states by use of the convex analysis about joint numerical range of operators on a Hilbert space. We show that any two orthogonal pure states areâ€¦ (More)

- Yoshiko Ogata
- 2008

We show that the non-equilibrium steady state (NESS) of the free lattice Fermion model far from equilibrium is macroscopically unstable. The problem is translated to that of the spectral analysis ofâ€¦ (More)