Articles with "non ergodic" as a keyword



Electric-field-induced non-ergodic relaxor to ferroelectric transition in BiFeO3–xSrTiO3 ceramics

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Published in 2023 at "Journal of Materials Chemistry C"

DOI: 10.1039/d2tc05100a

Abstract: The increase in ergodicity in BFO–xSTO is correlated with a weak ferroelectric response. The increased disorder induces a non-ergodic ground state, preventing the classic ferroelectric crossover. read more here.

Keywords: electric field; induced non; field induced; ergodic relaxor ... See more keywords

Collapse and revival of quantum many-body scars via Floquet engineering

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Published in 2020 at "Physical Review B"

DOI: 10.1103/physrevb.101.245107

Abstract: The presence of quantum scars, athermal eigenstates of a many-body Hamiltonian with finite energy density, leads to absence of ergodicity and long-time coherent dynamics in closed quantum systems starting from simple initial states. Such non-ergodic… read more here.

Keywords: many body; quantum many; collapse revival; coherent dynamics ... See more keywords

Effect of SU(2) symmetry on many-body localization and thermalization

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Published in 2017 at "Physical Review B"

DOI: 10.1103/physrevb.96.041122

Abstract: The many-body localized (MBL) phase is characterized by a complete set of quasi-local integrals of motion and area-law entanglement of excited eigenstates. We study the effect of non-Abelian continuous symmetries on MBL, considering the case… read more here.

Keywords: phase; many body; non ergodic; effect symmetry ... See more keywords

Non-Ergodic Site Response in Seismic Hazard Analysis

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Published in 2017 at "Earthquake Spectra"

DOI: 10.1193/081716eqs135m

Abstract: Probabilistic seismic hazard analyses are usually performed with semi-empirical ground motion models (GMMs) following the ergodic assumption whereby average source, path, and site effects from global databases apply for a specific site of interest. Site-specific… read more here.

Keywords: hazard; non ergodic; site response; site ... See more keywords

Reducing Calculation Times for Seismic Hazard Using Non-Ergodic Ground-Motion Models for Areal Source Zones

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Published in 2025 at "Applied Sciences"

DOI: 10.3390/app15052454

Abstract: Using non-ergodic ground-motion models (GMMs) in probabilistic seismic hazard analysis (PSHA) for areal sources can lead to large increases in calculation time compared to PSHA based on ergodic GMMs due to the large number of… read more here.

Keywords: non ergodic; ergodic ground; calculation; ground motion ... See more keywords

On Two Non-Ergodic Reversible Cellular Automata, One Classical, the Other Quantum

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Published in 2023 at "Entropy"

DOI: 10.3390/e25050739

Abstract: We propose and discuss two variants of kinetic particle models—cellular automata in 1 + 1 dimensions—that have some appeal due to their simplicity and intriguing properties, which could warrant further research and applications. The first… read more here.

Keywords: two non; ergodic reversible; non ergodic; model ... See more keywords

The Rosencrantz Coin: Predictability and Structure in Non-Ergodic Dynamics—From Recurrence Times to Temporal Horizons

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Published in 2025 at "Entropy"

DOI: 10.3390/e27020147

Abstract: We examine the Rosencrantz coin that can “stick” in states for extended periods. Non-ergodic dynamics is highlighted by logarithmically growing block lengths in sequences. Traditional entropy decomposition into predictable and unpredictable components fails due to… read more here.

Keywords: temporal horizons; non ergodic; structure; rosencrantz coin ... See more keywords

Non-ergodic Phase Transition in the Global Hysteresis of the Frustrated Magnet DyRu2Si2

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Published in 2025 at "Journal of the Physical Society of Japan"

DOI: 10.7566/jpsj.94.064708

Abstract: Some frustrated magnets exhibit a huge hysteresis called"global hysteresis (GH)", where the magnetic plateaus appearing in the increasing field process are skipped in the decreasing field process from the high magnetic field state. In this… read more here.

Keywords: field; phase transition; non ergodic; phase ... See more keywords