Results 31 to 40 of about 95 (95)
Horizon scanning: Tools to identify emerging threats to plant health in a changing world
EPPO Bulletin, Volume 54, Issue S1, Page 73-88, March 2024.Abstract In the context of risk analysis, horizon scanning activity is a necessary component of any foresight process. This applies also to the specific context of biological invasions, supported and accelerated by climate change and global trade. Today, various institutions and research centres are equipped with a set of tools and methods for early ...
A. Antoniou +13 more
wiley +1 more source
Multicritical points and reentrant phenomenon in the BEG model [PDF]
Physica A: Statistical Mechanics and its Applications, 1992 The Blume - Emery - Griffiths model is investigated by use of the cluster variation method in the pair approximation. We determine the regions of the phase space where reentrant phenomenon takes place. Two regions are found, depending on the sign of the reduced quadrupole - quadrupole coupling strength $ξ$.
BUZANO, Carla, PELIZZOLA, ALESSANDRO
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Journal of Social Issues, Volume 80, Issue 1, Page 18-52, March 2024.Abstract Recently there has been an uptake in the call for research that explores race and racism within the context of psychology. Researchers can use Critical Race Theory (CRT) to do so. However, scholars within the field of psychology may confront growing pains when integrating psychology research with CRT due to their respective inquiry worldviews ...
Korinthia D. Nicolai +4 more
wiley +1 more source
Multicritical Behavior in Coupled Directed Percolation Processes [PDF]
Physical Review Letters, 1998 5 pages, RevTex, no figures; final version, to appear in Phys. Rev. Lett. (1998)
Täuber, U., Howard, M., Hinrichsen, H.
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Remarks on the multicritical topologies in the n=? limit
Journal de Physique I, 1991 We show that phase diagrams involving the condensation of two vectorial order parameters in the limit n=∞ (n = number of components of the vectors) coupled only to quartic order exhibit an unexpectedly large variety of topologically distinct cases.
Prost, Jacques, Pommier, Jérôme
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Multicritical points of unoriented random surfaces
Nuclear Physics B, 1991 Unoriented surfaces generated by real symmetric one-matrix models are solved in the scaling limit in which the size of the matrix (related to the string coupling constant) goes to infinity and the cosmological constant approaches a multicritical point of a suitably chosen potential. The solution involves skew orthogonal polynomials, and in spite of the
E. BREZIN, H. NEUBERGER
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Self-organization to multicriticality
Self-organized criticality is a well-established phenomenon, where a system dynamically tunes its structure to operate on the verge of a phase transition. Here, we show that the dynamics inside the self-organized critical state are fundamentally far more versatile than previously recognized, to the extent that a system can self-organize to a new type ...
Sormunen, Silja +2 more
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New multicritical random matrix ensembles [PDF]
Nuclear Physics B, 2002 In this paper we construct a class of random matrix ensembles labelled by a real parameter $α\in (0,1)$, whose eigenvalue density near zero behaves like $|x|^α$. The eigenvalue spacing near zero scales like $1/N^{1/(1+α)}$ and thus these ensembles are representatives of a {\em continous} series of new universality classes. We study these ensembles both
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Multicritical behavior in dissipative Ising models
Physical Review A, 2017 We analyze theoretically the many-body dynamics of a dissipative Ising model in a transverse field using a variational approach. We find that the steady-state phase diagram is substantially modified compared to its equilibrium counterpart, including the appearance of a multicritical point belonging to a different universality class.
Overbeck, Vincent R. +3 more
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