Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Sexton, J. C."'
Autor:
UKQCD Collaboration, Allton, C. R., Booth, S. P., Bowler, K. C., Garden, J., Hart, A., Hepburn, D., Irving, A. C., Joo, B., Kenway, R. D., Maynard, C. M., McNeile, C., Michael, C., Pickles, S. M., Sexton, J. C., Sharkey, K. J., Sroczynski, Z., Talevi, M., Teper, M., Wittig, H.
Publikováno v:
Phys.Rev.D65:054502,2002
We present results for the static inter-quark potential, lightest glueballs, light hadron spectrum and topological susceptibility using a non-perturbatively improved action on a $16^3\times 32$ lattice at a set of values of the bare gauge coupling an
Externí odkaz:
http://arxiv.org/abs/hep-lat/0107021
Autor:
Kenna, R., Sexton, J. C.
Publikováno v:
Phys.Rev. D65 (2002) 014507
The nature of the phase transition in the lattice Gross-Neveu model with Wilson fermions is investigated using a new analytical technique. This involves a new type of weak coupling expansion which focuses on the partition function zeroes of the model
Externí odkaz:
http://arxiv.org/abs/hep-lat/0103014
Publikováno v:
Phys.Lett. B505 (2001) 125-130
A new method to determine the phase diagram of certain lattice fermionic field theories in the weakly coupled regime is presented. This method involves a new type of weak coupling expansion which is multiplicative rather than additive in nature and a
Externí odkaz:
http://arxiv.org/abs/hep-lat/0101005
Publikováno v:
Nucl.Phys.Proc.Suppl. 83 (2000) 667-669
A new method to analytically determine the partition function zeroes of weakly coupled theories on finite-size lattices is developed. Applied to the lattice Schwinger model, this reveals the possible absence of a phase transition at fixed weak coupli
Externí odkaz:
http://arxiv.org/abs/hep-lat/9909161
The weak coupling expansion is applied to the single flavour Schwinger model with Wilson fermions on a symmetric toroidal lattice of finite extent. We develop a new analytic method which permits the expression of the partition function as a product o
Externí odkaz:
http://arxiv.org/abs/hep-lat/9812004
Autor:
UKQCD Collaboration, Allton, C. R., Booth, S. P., Bowler, K. C., Foster, M., Garden, J., Irving, A. C., Kenway, R. D., Michael, C., Peisa, J., Pickles, S. M., Sexton, J. C., Sroczynski, Z., Talevi, M., Wittig, H.
Publikováno v:
Phys.Rev.D60:034507,1999
We present the first results for the static quark potential and the light hadron spectrum using dynamical fermions at $\beta=5.2$ using an O(a) improved Wilson fermion action together with the standard Wilson plaquette action for the gauge part. Sea
Externí odkaz:
http://arxiv.org/abs/hep-lat/9808016
Autor:
Irving, A. C., Sexton, J. C.
Publikováno v:
Nucl.Phys.Proc.Suppl. 47 (1996) 679-682
We study the quenched and unquenched lattice Schwinger model with Wilson fermions. The lowest non-trivial order of the systematic expansion recently proposed by Sexton and Weingarten is shown to allow good estimates of long distance physics from quen
Externí odkaz:
http://arxiv.org/abs/hep-lat/9508032
Autor:
UKQCD Collaboration, Allton, C. R., Booth, S. P., Bowler, K. C., Foster, M., Garden, J., Irving, A. C., Kenway, R. D., Michael, C., Peisa, J., Pickles, S. M., Sexton, J. C., Sroczynski, Z., Talevi, M., Wittig, H.
Publikováno v:
Physical Review D
We present the first results for the static quark potential and the light hadron spectrum using dynamical fermions at $\beta=5.2$ using an O(a) improved Wilson fermion action together with the standard Wilson plaquette action for the gauge part. Sea
Akademický článek
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Autor:
Paladini, B., Sexton, J. C.
Publikováno v:
Physics Letters B; 1999, Vol. 448 Issue: 1 p76-84, 9p