نتایج جستجو برای: lgt

تعداد نتایج: 350  

Journal: :Physical review letters 2009
G De las Cuevas W Dür H J Briegel M A Martin-Delgado

The partition function of all classical spin models, including all discrete standard statistical models and all Abelian discrete lattice gauge theories (LGTs), is expressed as a special instance of the partition function of the 4D Z2 LGT. This unifies all classical spin models with apparently very different features in a single complete model. This result is applied to establish a new method to...

2000
M. SCHADEN

The local covariant continuum action of an SU(2) gauge theory in covariant Abelian gauges is investigated. It describes the critical limit of an Abelian Lattice Gauge Theory (LGT) with an equivariant BRST-symmetry. This Abelian LGT has previously been proven to be physically equivalent to the SU(2)-LGT. Renormalizabil-ity requires a quartic ghost interaction in these non-linear gauges (also in ...

2009
Cheong Xin Chan Robert G. Beiko Aaron E. Darling Mark A. Ragan

Lateral genetic transfer (LGT) involves the movement of genetic material from one lineage into another and its subsequent incorporation into the new host genome via genetic recombination. Studies in individual taxa have indicated lateral origins for stretches of DNA of greatly varying length, from a few nucleotides to chromosome size. Here we analyze 1,462 sets of single-copy, putatively orthol...

Journal: :Molecular biology and evolution 2014
Lei Shan Yibo Hu Lifeng Zhu Li Yan Chengdong Wang Desheng Li Xuelin Jin Chenglin Zhang Fuwen Wei

The captive genetic management of threatened species strives to preserve genetic diversity and avoid inbreeding to ensure populations remain available, healthy, and viable for future reintroduction. Determining and responding to the genetic status of captive populations is therefore paramount to these programs. Here, we genotyped 19 microsatellite loci for 240 captive giant pandas (Ailuropoda m...

Journal: :Indian Journal of Physics 2023

Lattice gauge theory (LGT) results denote to the confinement for quark potential in various Yang–Mills theories. This property can also be obtained G(2) theory. LGT calculations show that should have downward concavity behavior. Confinement properties explained using thick center vortex model. However this model, an upward is seen some intervals of potential. Considering reason concavity, it sh...

Journal: :Polski przeglad chirurgiczny 2012
Bohdan Solonynko Zbigniew Gałązka Tomasz Jakimowicz Jacek Szmidt

UNLABELLED Limb graft thrombosis (LGT) is one of the most frequent severe complications after endovascular repair of abdominal aortic aneurysms. The aim of the study was to assess the influence of atherosclerosis in ileo-femoral segment on the incidence of LGT as well as to analyze the methods of treatment of LGT. MATERIAL AND METHODS The medical records of 564 consecutive patients operated e...

Journal: :Journal of virology 2006
Alexander A Rumyantsev Brian R Murphy Alexander G Pletnev

Langat virus (LGT), the naturally attenuated member of the tick-borne encephalitis virus (TBEV) complex, was tested extensively in clinical trials as a live TBEV vaccine and was found to induce a protective, durable immune response; however, it retained a low residual neuroinvasiveness in mice and humans. In order to ablate or reduce this property, LGT mutants that produced a small plaque size ...

Journal: :Evolution; international journal of organic evolution 2016
Lindy Jensen Jessica R Grant Haywood Dail Laughinghouse Laura A Katz

A sequestered germline in Metazoa has been argued to be an obstacle to lateral gene transfer (LGT), though few studies have specifically assessed this claim. Here, we test the hypothesis that the origin of a sequestered germline reduced LGT events in Bilateria (i.e., triploblast lineages) as compared to early-diverging Metazoa (i.e., Ctenophora, Cnidaria, Porifera, and Placozoa). We analyze sin...

1992
B. Rusakov

I consider a lattice model of a gauge field interacting with matrixvalued scalars in D dimensions. The model includes an adjustable parameter σ, which plays role of the string tension. In the limit σ = ∞ the model coincides with Kazakov-Migdal’s “induced QCD”, where Wilson loops obey a zero area law. The limit σ = 0, where Wilson loops W (C) = 1 independently of the size of the loop, correspond...

2012
Etienne G. J. Danchin Marie-Noëlle Rosso

It is now accepted that lateral gene transfers (LGT), have significantly contributed to the composition of bacterial genomes. The amplitude of the phenomenon is considered so high in prokaryotes that it challenges the traditional view of a binary hierarchical tree of life to correctly represent the evolutionary history of species. Given the plethora of transfers between prokaryotes, it is curre...

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