Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Torroba, G"'
Publikováno v:
Phys.Lett.B650:428-431,2007
We derive the vector-like four dimensional overlap Dirac operator starting from a five dimensional Dirac action in the presence of a delta-function space-time defect. The effective operator is obtained by first integrating out all the fermionic modes
Externí odkaz:
http://arxiv.org/abs/0704.2433
Autor:
Fosco, C. D., Torroba, G.
Publikováno v:
Phys.Lett. B620 (2005) 174-179
We generalize the Callan-Harvey mechanism to the case of actions with a non local mass term for the fermions. Using a 2+1-dimensional model as a concrete example, we show that both the existence and properties of localized zero modes can also be cons
Externí odkaz:
http://arxiv.org/abs/hep-th/0505002
Autor:
Fosco, C. D., Torroba, G.
Publikováno v:
Phys.Rev. D71 (2005) 065012
We study the class of noncommutative theories in $d$ dimensions whose spatial coordinates $(x_i)_{i=1}^d$ can be obtained by performing a smooth change of variables on $(y_i)_{i=1}^d$, the coordinates of a standard noncommutative theory, which satisf
Externí odkaz:
http://arxiv.org/abs/hep-th/0409240
Publikováno v:
JHEP0409:064,2004
We consider planar noncommutative theories such that the coordinates verify a space-dependent commutation relation. We show that, in some special cases, new coordinates may be introduced that have a constant commutator, and as a consequence the const
Externí odkaz:
http://arxiv.org/abs/hep-th/0407220
Autor:
Fosco, C. D., Torroba, G.
Publikováno v:
J.Phys. A38 (2005) 3695-3708
We study planar noncommutative theories such that the spatial coordinates ${\hat x}_1$, ${\hat x}_2$ verify a commutation relation of the form: $[{\hat x}_1, {\hat x}_2] = i \theta ({\hat x}_1,{\hat x}_2)$. Starting from the operatorial representatio
Externí odkaz:
http://arxiv.org/abs/hep-th/0405090
Autor:
Fosco, C. D., Torroba, G.
We study a generalization of the Callan-Harvey mechanism to the case of a non local mass. Using a 2+1 model as a concrete example, we show that both the existence and properties of localized zero modes can also be consistently studied when the mass i
Externí odkaz:
http://arxiv.org/abs/hep-th/0308126
Akademický článek
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We obtain microstates accounting for the Gibbons-Hawking entropy in $dS_3$, along with a subleading logarithmic correction, from the solvable $T\bar T+\Lambda_2$ deformation of a seed CFT with sparse light spectrum. The microstates arise as the dress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0be6a4c3c40803b4d7833265646fbae
Publikováno v:
Anales (Asociación Física Argentina), Volume: 32, Issue: 4, Pages: 93-98, Published: DEC 2021
Resumen: Estudiamos aspectos de Teoría Cuántica de Campos a densidad finita usando técnicas y conceptos de información cuántica. Nos enfocamos en fermiones de Dirac masivos con potencial químico en 1+1 dimensiones espacio-temporales. Usando la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______617::e2668f7432993f27e71a26aa57c42f16
http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1850-11682021000400093&lng=en&tlng=en
http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1850-11682021000400093&lng=en&tlng=en
Akademický článek
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