Articles with "zero point" as a keyword



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The important choice of reference environment in microevolutionary climate response predictions

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Published in 2022 at "Ecology and Evolution"

DOI: 10.1002/ece3.8836

Abstract: It is well documented that individuals of wild populations can adjust to climate change by means of phenotypic plasticity, but few reports on adaptation by means of genetically based microevolution caused by selection. Disentanglement of… read more here.

Keywords: reference environment; environmental zero; climate; zero point ... See more keywords
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Zero Point Problem of Accretive Operators in Banach Spaces

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Published in 2019 at "Bulletin of the Malaysian Mathematical Sciences Society"

DOI: 10.1007/s40840-017-0470-3

Abstract: Splitting methods have recently received much attention due to the fact that many nonlinear problems arising in applied areas such as image recovery, signal processing and machine learning are mathematically modeled as a nonlinear operator… read more here.

Keywords: accretive operators; problem; banach spaces; zero point ... See more keywords
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Zero-point averaged dynamics of Arn+He1000: Dopant-size influence on potential-energy surfaces, mass spectra and fragmentation patterns

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Published in 2021 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2021.111307

Abstract: Abstract The fragmentation of Ar n + He 1000 ( n = 3 , 5 ) is investigated by zero-point averaged dynamics (ZPAD) and compared with recent results on Ar 4 + He 1000 to… read more here.

Keywords: averaged dynamics; point averaged; fragmentation; zero point ... See more keywords
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Mesoscopic orbital paramagnetism: The role of zero-point energy

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Published in 2021 at "Journal of Magnetism and Magnetic Materials"

DOI: 10.1016/j.jmmm.2020.167366

Abstract: Abstract A model is presented to explain the temperature-independent saturating paramagnetic response of some transparent oxides with no unpaired d-electrons. It is based on an array of N surface defect-related electrons with bound states in… read more here.

Keywords: field; orbital paramagnetism; zero point; point ... See more keywords
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Accessible approaches for vibrational zero point energy calculation of organoboron compounds

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Published in 2020 at "Vibrational Spectroscopy"

DOI: 10.1016/j.vibspec.2020.103131

Abstract: Abstract In this paper, two empirical approaches were used to calculate vibrational zero-point energies (ZPEs) of organoboron compounds. Firstly, the contribution of boron atom has been determined and incorporated in the Schulman and Disch empirical… read more here.

Keywords: approaches vibrational; organoboron compounds; vibrational zero; zero point ... See more keywords
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A Hessian-Free Method to Prevent Zero-Point Energy Leakage in Classical Trajectories.

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Published in 2022 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.2c00216

Abstract: The problem associated with the zero-point energy (ZPE) leak in classical trajectory calculations is well known. Since ZPE is a manifestation of the quantum uncertainty principle, there are no restrictions on energy during the classical… read more here.

Keywords: prevent; energy; zero point; zpe ... See more keywords
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Electron–Phonon Interaction Contribution to the Total Energy of Group IV Semiconductor Polymorphs: Evaluation and Implications

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c08244

Abstract: In density functional theory (DFT)-based total energy studies, the van der Waals (vdW) and zero-point vibrational energy (ZPVE) correction terms are included to obtain energy differences between polymorphs. We propose and compute a new correction… read more here.

Keywords: epi corrections; energy; zero point; contribution ... See more keywords
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Parametric broadening of the molecular vibronic band due to zero-point oscillations and thermal fluctuations of interatomic bonds

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Published in 2021 at "AIP Advances"

DOI: 10.1063/5.0047044

Abstract: Numerous computations of the spectra of molecules are performed by mainstream methods based on the fundamental work by Lax [J. Chem. Phys. 20, 1752 (1952)] for smoothing a series of individual transitions represented by delta… read more here.

Keywords: transition; zero point; point oscillations; thermal fluctuations ... See more keywords
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Zero-point gravitational field equations

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Published in 2020 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/ac0310

Abstract: We study the recently reported qmetric (or zero-point-length) expressions of the Ricci (bi)scalar R (q) (namely, expressions of the Ricci scalar in a spacetime with a limit length L 0 built in), focusing specifically on… read more here.

Keywords: field; point gravitational; zero point; field equations ... See more keywords
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Relativity and radiation balance for the classical hydrogen atom in classical electromagnetic zero-point radiation

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Published in 2020 at "European Journal of Physics"

DOI: 10.1088/1361-6404/abce89

Abstract: When teaching modern physics, every instructor must deal with the apparent failure of classical physics to prevent the radiation collapse of the nuclear atom. Here we review the understanding of the classical hydrogen atom in… read more here.

Keywords: electromagnetic zero; point radiation; physics; zero point ... See more keywords
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Giant exciton-phonon coupling and zero-point renormalization in hexagonal monolayer boron nitride

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Published in 2019 at "Physical Review B"

DOI: 10.1103/physrevb.99.165201

Abstract: We report here a giant zero-point energy renormalization of 273 meV in the direct band-gap at $\textbf{K}$ and a 571 meV of blue-shifting in the position of the doubly-degenerate brightest excitonic peak in monolayer hexagonal… read more here.

Keywords: boron nitride; boron; monolayer; renormalization ... See more keywords