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A criterion for atomicity revisited
2007
Acta Informatica
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The proof of correctness of the criterion itself was based on Lynch's definition of atomicity by serialization points. Here, this criterion is reformulated as a specification HRW in the formal sense. ...
In a natural way, this gives a specification (ARW ) of an atomic variable in the style of Abadi and Lamport. Several implementations of atomic variables by lower level primitives are known. ...
Acknowledgments We are grateful for the constructive criticisms of an anonymous referee, which led to significant improvements of the presentation. ...
doi:10.1007/s00236-007-0044-1
fatcat:rkvzqrpue5fj5iwfjuvvbajqle
Quantum stability of an ion in a Paul trap revisited
2017
Molecular Physics
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2017 pre-print arXiv:1703.09463v1 fatcat:cmgpjldlezdcdptumxwa7aqb4y
We study the quantum stability of the dynamics of ions in a Paul trap. We revisit the results of Wang et al. [Phys. Rev. ...
A 52, 1419 (1995)], which showed that quantum trajectories did not have the same region of stability as their classical counterpart, contrary to what is obtained from a Floquet analysis of the motion in ...
Acknowledgement(s) The simulations were performed on resources provided by the Swedish National Infrastructure for Computing (SNIC) at the High Performance Computing Center North (HPC2N). ...
doi:10.1080/00268976.2017.1313464
fatcat:3qpymey5mjabriddg6xsgjzloi
Approximation Errors of Online Sparsification Criteria
2015
IEEE Transactions on Signal Processing
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2014 pre-print arXiv:1409.6046v1 fatcat:qg7amprdwrgcradmna366gc3k4
For this purpose, several online sparsification criteria have been proposed to restrict the model definition on a subset of samples. ...
The most known criterion is the (linear) approximation criterion, which discards any sample that can be well represented by the already contributing samples, an operation with excessive computational complexity ...
By revisiting the upper bounds given in Section IV-A for each sparsification criterion, we can easily show the following results. ...
doi:10.1109/tsp.2015.2442960
fatcat:yyad4ggsw5gr7nyb3d3kaohtxe
Exact ionization potentials from wavefunction asymptotics: The extended Koopmans' theorem, revisited
2009
Journal of Chemical Physics
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2011 pre-print arXiv:1111.0891v1 fatcat:mc3sqteeyvduho37nr3yjzyuqa
A simple explanation is given for the exactness of the extended Koopmans' theorem for computing the removal energy of any many-electron system to the lowest-energy ground state ion of a given symmetry. ...
A necessary and sufficient condition for the validity of the extended Koopmans' theorem for any state (not just the lowest-energy states of a given symmetry) in terms of the third-order reduced density ...
Further confirmation of our interpretation was obtained by revisiting the accurate calculations on the Beryllium atom from ref. 10 . ...
doi:10.1063/1.3130044
pmid:19466818
fatcat:dtcqjyu5nfd7vfduojzdjbysye
Nonlinear dynamics of ionization stabilization of atoms in intense laser fields
2015
Physical Review A. Atomic, Molecular, and Optical Physics
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We revisit the stabilization of ionization of atoms subjected to a superintense laser pulse using nonlinear dynamics. ...
We emphasize the role of the choice for the ionization criterion, energy versus distance criterion. ...
) is without a ramp-down (T d = 0) and using the energy criterion for ionization. ...
doi:10.1103/physreva.91.023406
fatcat:zgb2ajmfyngzdise7ndy4tc44q
Hydration and coordination of K+ solvation in water from ab initio molecular-dynamics simulation
2010
Journal of Chemical Physics
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According to our natural geometric criterion for the coordinated oxygen atom, the average coordination number of K + is 6.24 and 6.53 at 300 and 450 K, respectively, which agrees with the experimental ...
Car-Parrinello molecular-dynamics simulation Ab initio molecular-dynamics simulation of aqueous proton solvation and transport revisited Potassium ion in water plays a very important role in chemistry ...
According to our natural geometric criterion for the coordinated oxygen atom, the average coordination number of K + is 6.24 and 6.53 at 300 and 450 K, respectively, which agrees with the experimental ...
doi:10.1063/1.3369624
pmid:20370129
fatcat:oazytrwiazgjlef5tsi6qg63oy
Locality and reality revisited
[article]
2002
arXiv
pre-print
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Bell gave the now standard definition of a local hidden variable theory and showed that such theories cannot reproduce the predictions of quantum mechanics without violating his "free will" criterion: ...
In particular, there is no violation of the free will criterion. ...
Imagine a world in which, say, a particular type of crystal has the property that its surfaces are perfect square arrays of atoms, in which each atom has an asymmetric feature which define an orientation ...
arXiv:quant-ph/0202064v3
fatcat:tuod3oqaxfcxxp4lpn5u3zjxia
On the significance of an accurate vector-set selection in molecular replacement: a practical example
2000
Acta Crystallographica Section A Foundations of Crystallography
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Image Seeking Functions (ISFs) can be regarded as a criterion of fit between an observed Patterson map and a vector-set from a search model. ...
s8b.m2.p4Vector-search methods revisited in macromolecular crystallography: a new rotation function in Patterson space. J.Borge, C. Alvarez-Rúa, S. García-Granda. ...
doi:10.1107/s0108767300026349
fatcat:x7oxbomp5fetznobst2gfaahk4
Page 755 of Mathematical Reviews Vol. 58, Issue 2
[page]
1979
Mathematical Reviews
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Non-atomic systems of individuals revisited. Notis 3 (1969), no. 4, 431-434.
Eberle, Rolf A. ' 58 #5090c Erratum: “Non-atomic systems of individuals revisited” (Nois 3 (1969), no. 4, 431-434). ...
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755 Logic and Foundations
[false] in every finite atomic intended model but not in any infinite atomic intended model. ...
Guest editorial: Special Issue on Science of Wear
2018
Friction
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It is devoted to a review of a recent series of papers on adhesive wear which offers a new paradigm for future wear research. ...
It is felt that now it is the right time to revisit the subject of wear intensively, with a special focus on the understanding of physical mechanisms. ...
It is devoted to a review of a recent series of papers on adhesive wear which offers a new paradigm for future wear research. ...
doi:10.1007/s40544-018-0241-7
fatcat:7sh5rn2op5fqjcpfmvbnidczhq
Hard-sphere displacive model of deformation twinning in hexagonal close-packed metals. Revisiting the case of the (56°, a) contraction twins in magnesium
2017
Acta Crystallographica Section A: Foundations and Advances
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2016 pre-print arXiv:1611.00273v1 fatcat:7h3stncjejekbc2gxvyqpsazai
A continuous angular distortion matrix that transforms the initial hexagonal close-packed (h.c.p.) crystal into a final h.c.p. crystal is determined such that the atoms move as hard spheres and reach the ...
The classical shear theory of deformation twinning does not specify the atomic displacements and does not explain why contraction twinning is less frequent than extension twinning. ...
Roland Logé, director of LMTM, and to PX group for the laboratory subsidy and for our scientific and technical exchanges. ...
doi:10.1107/s2053273317005459
pmid:28660866
fatcat:ghca233pwjbotawddqwb3dmobi
Diffraction of He atoms from Xe monolayer adsorbed on the graphite (0 0 0 1) revisited: the importance of multiple scattering processes
2003
Surface Science
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We comment and discuss the findings and conclusions of a recent theoretical study of the diffraction of He atoms from a monolayer of Xe atoms adsorbed on the graphite (0001) surface [Khokonov et al., Surf ...
By revisiting the problem we demonstrate that all main conclusions of Khokonov et al. that pertain to the studied system are at variance with the available experimental and theoretical evidence and the ...
Namely, KKK have arrived at such a conclusion by uncritically employing WeareÕs criterion [21] for n n in the regime in which this criterion is inapplicable (cf. Figs. 1 and 2 in Ref. ...
doi:10.1016/s0039-6028(03)00260-7
fatcat:nn5ozufb5zcilnoxb6mfuewmim
The generalized Lindemann melting coefficient
[article]
2020
arXiv
pre-print
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Its main assumption is that melting occurs when the root-mean-square vibration amplitude of ions and atoms in crystals exceeds a critical fraction, h of the inter-atomic spacing in crystals. ...
Using these vales, the recalculation of the melting temperatures indicates a good match to the experimental values for 39 elements, corresponding to 12 out of 15 periodic groups. ...
Figure 1 shows the melting temperature plotted as a function of the atomic mass number for 49 mono-atomic solids. ...
arXiv:2005.12912v1
fatcat:zj5jl6y2grdgxieudzlqpngare
Criterion for testing multiparticle negative-partial-transpose entanglement
2003
Physical Review A. Atomic, Molecular, and Optical Physics
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We revisit the criterion of multiparticle entanglement based on the overlaps of a given quantum state with maximally entangled states. ...
For a system of m particles, each with N distinct states, we prove that is m-particle negative partial transpose entangled, if there exists a maximally entangled state ͉MES͘, such that ͗MES͉͉MES͘Ͼ1/N. ...
In this paper we revisit a sufficient condition for m-particle entanglement of a state based on its overlaps with maximally entangled states. ...
doi:10.1103/physreva.68.042316
fatcat:snhjqnp5yfdl7cn5pdhgdo5564
Revisiting Julg's Structural Approach to Aromaticity
2001
Zeitschrift fur Naturforschung A-A Journal of Physical Sciences
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A simple CNDO/2 calculation is shown to account satisfactorily for heterocyclic typical rings and other miscellaneous systems. ...
AbstractJulg's classical formula for aromaticity is updated so as to involve bond indices. ...
Iab is generalized for multicenter bonds as below [11] ; for the calculation of Irm g [6] we have used Iab-■ l = 2 £ a€A,b£B,-■,£eL n « i L
I L " (5) We have thus found interesting to revisit Julg's ...
doi:10.1515/zna-2001-0601
fatcat:wj2uu3ddnnfl5pd34pblqxfcxy
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