Search Results - "Okuyama, Manaka"

Toward Mean-Field Bound for Critical Temperature on Nishimori Line by Okuyama, Manaka, Ohzeki, Masayuki

“…The critical inverse temperature of the mean-field approximation establishes a lower bound of the true critical inverse temperature in a broad class of…”
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Inequality for Local Energy of Ising Model with Quenched Randomness and Its Application by Okuyama, Manaka, Ohzeki, Masayuki

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Gibbs–Bogoliubov Inequality on the Nishimori Line by Okuyama, Manaka, Ohzeki, Masayuki

“…The Gibbs–Bogoliubov inequality states that the free energy of a system is always lower than that calculated by a trial function. In this study, we show that a…”
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Quantum-Classical Correspondence of Shortcuts to Adiabaticity by Okuyama, Manaka, Takahashi, Kazutaka

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Quantum Speed Limit is Not Quantum by Okuyama, Manaka, Ohzeki, Masayuki

“…The quantum speed limit (QSL), or the energy-time uncertainty relation, describes the fundamental maximum rate for quantum time evolution and has been regarded…”
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Exact Solution of Free Entropy for Matrix-Valued Geometric Brownian Motion with Non-Commutative Matrices via Replica Method by Okuyama, Manaka, Ohzeki, Masayuki

“…Geometric Brownian motion (GBM) is a standard model in stochastic differential equations. In this study, we consider a matrix-valued GBM with non-commutative…”
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Quantum-Classical Correspondence of Shortcuts to Adiabaticity by Okuyama, Manaka, Takahashi, Kazutaka

“…We formulate the theory of shortcuts to adiabaticity in classical mechanics. For a reference Hamiltonian, the counterdiabatic term is constructed from the…”
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From Classical Nonlinear Integrable Systems to Quantum Shortcuts to Adiabaticity by Okuyama, Manaka, Takahashi, Kazutaka

“…Using shortcuts to adiabaticity, we solve the time-dependent Schrödinger equation that is reduced to a classical nonlinear integrable equation. For a given…”
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Existence of long-range order in random-field Ising model on Dyson hierarchical lattice by Okuyama, Manaka, Ohzeki, Masayuki

“…We study the random-field Ising model on a Dyson hierarchical lattice, where the interactions decay in a power-law-like form, $J(r)\sim r^{-\alpha}$, with…”
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Toward mean-field bound for critical temperature on Nishimori line by Okuyama, Manaka, Ohzeki, Masayuki

“…J. Phys. Soc. Jpn. 93, 104706 (2024) The critical inverse temperature of the mean-field approximation establishes a lower bound of the true critical inverse…”
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Replica bound for Ising spin glass models in one dimension by Okuyama, Manaka, Ohzeki, Masayuki

“…The interpolation method is a powerful tool for rigorous analysis of mean-field spin glass models, both with and without dilution. In this study, we show that…”
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Free energy equivalence between mean-field models and nonsparsely diluted mean-field models by Okuyama, Manaka, Ohzeki, Masayuki

“…We studied nonsparsely diluted mean-field models that differ from sparsely diluted mean-field models, such as the Viana--Bray model. We prove that the free…”
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Exact solution of free entropy for matrix-valued geometric Brownian motion with non-commutative matrices via the replica method by Okuyama, Manaka, Ohzeki, Masayuki

“…J. Phys. Soc. Jpn. 92, 114001 (2023) Geometric Brownian motion (GBM) is a standard model in stochastic differential equations. In this study, we consider a…”
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Gibbs-Bogoliubov inequality on Nishimori line by Okuyama, Manaka, Ohzeki, Masayuki

“…J. Phys. Soc. Jpn. 92, 084002 (2023) The Gibbs-Bogoliubov inequality states that the free energy of a system is always lower than that calculated by a trial…”
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Mean-field theory is exact for Ising spin glass models with Kac potential in non-additive limit on Nishimori line by Okuyama, Manaka, Ohzeki, Masayuki

“…J. Phys. A: Math. Theor. 56, 325003 (2023) Recently, Mori [Phys. Rev. E 84, 031128 (2011)] has conjectured that the free energy of Ising spin glass models with…”
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Threshold theorem in quantum annealing with deterministic analog control errors by Okuyama, Manaka, Ohzeki, Masayuki

“…We investigate the effect of deterministic analog control errors in the time-dependent Hamiltonian on isolated quantum dynamics. Deterministic analog control…”
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Upper bound on the second derivative of the quenched pressure in spin-glass models: weak Griffiths second inequality by Okuyama, Manaka, Ohzeki, Masayuki

“…The Griffiths first and second inequalities have played an important role in the analysis of ferromagnetic models. In spin-glass models, although the…”
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Some inequalities for correlation functions of Ising models with quenched randomness by Okuyama, Manaka, Ohzeki, Masayuki

“…Correlation inequalities have played an essential role in the analysis of ferromagnetic models but have not been established in spin glass models. In this…”
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Inequality for local energy of Ising models with quenched randomness and its application by Okuyama, Manaka, Ohzeki, Masayuki

“…J. Phys. Soc. Jpn. 89, 064704 (2020) In this study, we extend the lower bound on the average of the local energy of the Ising model with quenched randomness…”
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Threshold theorem in isolated quantum dynamics with stochastic control errors by Okuyama, Manaka, Ohki, Kentaro, Ohzeki, Masayuki

“…Phil. Trans. R. Soc. A. 381, 20210412 (2022) We investigate the effect of stochastic control errors in the time-dependent Hamiltonian on isolated quantum…”
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