Universidad Complutense de Madrid - Grupos de investigación

UCM's Strings and fields Research group

Grupo UCM de Investigación Campos y cuerdas

Current members.

       R. Hernández
       C. P. Martín
       J. M. Nieto
       M. J. Rodríguez-Plaza
       R. Ruiz Gil
       F. Ruiz Ruiz

Collaborators.

       C. Tamarit (CPT, University of Durham, Durham, UK).
       J. Trampetic (Rudjer Boskovic Institute, Zagreb, Croatia).
       J. You (Rudjer Boskovic Institute, Zagreb, Croatia).

Former members.

       J. M. Gracia-Bondía (University of Zaragoza)
       G. Horcajada (Senior software developer, Logtrust).
       D. Sánchez-Ruiz (Large computer facilities, Spanish National Health System).

Research lines.

      Noncommutative field theory.
      Unimodular gravity.
      Integrability in gauge theory and string theory.
      Nonsemismiple gauge symmetries.
      Vertex models.

Running grants.

Strings and noncommutative fields, Ministry of Economy and Competitiveness, National Research Program, grant No. FPA2014-54154-P, Spain.
Fields and strings, UCM-Banco Santander, grant No. GR3/14-A 910770, Spain.
Quantum structure of spacetime, European Union, COST Program, action MP 1405.

2018 Publications (only papers):

R. Hernández, J. M. Nieto, Pulsating strings with mixed three-form flux , JHEP 1804 (2018) 078 [arXiv:1803.03078 [hep-th]].

2017:

S. González-Martín, C. P. Martin, Do the gravitational corrections to the beta functions of the quartic and Yukawa couplings have an intrinsic physical meaning?, Phys. Lett. B773 (2017) 585 [arXiv:1707.06667 [hep-th]].
C. P. Martin, Unimodular Gravity and the lepton anomalous magnetic moment at one-loop, JCAP 1707 (2017) 019 [arXiv:1704.01818 [hep-th]].
R. Hernández, J. M. Nieto, Spinning strings in the η-deformed Neumann-Rosochatius system, Phys. Rev. D96 (2017) 086010 [arXiv:1707.08032 [hep-th]] .

2016:

C. P. Martin, J. Trampetic, J, You, Quantum duality under the θ-exact Seiberg-Witten map, JHEP 1609 (2016) 052 [arXiv:1607.01541 [hep-th]].
C. P. Martin, J. Trampetic, J, You, Equivalence of quantum field theories related by the θ-exact Seiberg-Witten map, Phys. Rev. D94 (2016) 041703 [arXiv:1606.03312 [hep-ph]].
E. Alvarez, S. González-Martín, C. P. Martin, Unimodular trees versus Einstein trees, Eur. Phys. J. C 76 (2106) 554 [arXiv:1605.02667 [hep-th]].
E. Alvarez, S. González-Martín, C. P. Martin, A note on the gauge symmetries of unimodular gravity, Phys. Rev. D93 (2016) 123018 [arXiv:1604.07263 [hep-th]].
C. P. Martin, J. Trampetic, J. You, Super Yang-Mills and theta-exact Seiberg-Witten map: Absence of quadratic nonncommutative IR divergences, JHEP 1605 (2016) 169, [arXiv:1602.01333 [hep-th]].
F. Ruiz Ruiz, Perturbative quantization of Yang-Mills theory with classical double as gauge algebra, Eur. Phys. J. C 76 (2106) 94 [arXiv:1512.02191 [hep-th]].
E. Alvarez, S. González-Martín, C. P. Martin, Conformal dilaton gravity: classical noninvariance gives rise to quantum invariance, Phys. Rev. D93 (2016) 064018 [arXiv:1510.06364 [hep-th] .

2015:

E. Alvarez, S. González-Martín, M. Herrero-Valea, C. P. Martin, Quantum corrections to unimodular gravity, JHEP 1508 (2015) 078 [arXiv:1505.01995 [hep-th]].
E. Alvarez, S. González-Martín, M. Herrero-Valea, C. P. Martin, Unimodular gravity redux, Phys. Rev D92 (2015) 061503, [arXiv:1505.00022 [hep-th]].
C. P. Martin, D. G. Navarro, The hybrid Seiberg-Witten map, its θ-exact expansion and the antifield formalism, Phys. Rev. D92 (2015) 065026 [arXiv:1504.06168 [hep-th]].
F. Ruiz Ruiz, Yang-Mills theory for semidirect products G ⋉g* and its instantons, Eur. Phys. J. C 75 (2105) 317 [arXiv:1408.1049 [hep-th]].
R. Hernández, J. M. Nieto, Elliptic solutions in the Neumann-Rosochatius system with mixed flux, Phys. Rev. D91 (2015) 126006 [arXiv:1502.05203 [hep-th]].

2014:

R. Hernández, J. M. Nieto, Spinning strings in AdS3xS3 with NS-NS flux, Nucl. Phys. B888 (2014) 236 [Nucl. Phys. B895 (2015) 303] [arXiv:1407.6651 [hep-th]].
E. Alvarez, M. Herrero-Valea, C. P. Martin, Conformal and non Conformal Dilaton Gravity, JHEP 1410 (2014) 115 [arXiv:1404.0806 [hep-th]].
C. P. Martin, SO(10) GUTs with large tensor representations on Noncommutative Space-time, Phy. Rev. D89 (2014) 065018 [arXiv:1311.2826 [hep-th]].

2013:

C. P. Martin, The Minimal and the New Minimal Supersymmetric Grand Unified Theories on Noncommutative Space-time, Class. Quant. Grav.30 (2013) 155019 [arXiv:1302.3732 [hep-th]].
R. Hernández, J. M. Nieto, Holographic correlation functions of hexagon Wilson loops with one local operator, Phys. Lett.B726 (2013) 1350046 [arXiv:1301.7220 [hep-th]].

2012:

R. Hernández, Semiclassical correlation functions of Wilson loops and local vertex operators, Nucl. Phys. B862 (2012) 751 [arXiv:1202.4383 [hep-th]].
C. P. Martin, Computing the θ-exact Seiberg-Witten map for arbitrary gauge groups , Phys. Rev. D86 (2012) 065010 [arXiv:1206.2814 [hep-th]].

2011:

G. Horcajada, F. Ruiz Ruiz, Geometric construction of D-branes in WZW models, JHEP 1109 (2011) 020 [arXiv:1104.4722 [hep-th]].
R. Hernández, G. Horcajada, F. Ruiz Ruiz, D-branes with Lorentzian signature in the Nappi-Witten model, JHEP 1108 (2011) 047 [arXiv:1104.4730 [hep-th]].
C. Tamarit, Decays of metastable vacua in SQCD, JHEP 1106 (2011) 126 [arXiv:1105.3222 [hep-ph]].
R. Hernández, Three-point correlators for giant magnons, JHEP 1105 (2011) 123 [arXiv:1104.1160 [hep-th]].
R. Hernández, Three-point correlation functions from semiclassical circular strings, J. Phys. A44 (2011) 085403 [arXiv:1011.0408 [hep-th]].
S. Schafer-Nameki, C. Tamarit,G. Torroba, Naturalness from runaways in direct mediation, Phys. Rev. D83 (2011) 035016 [arXiv:1011.0001 [hep-ph]].
S. Schafer-Nameki, C. Tamarit,G. Torroba, A Hybrid Higgs, JHEP 1103 (2011) 113 [arXiv:1005.0841 [hep-ph]].

2010:

C.P. Martin, Yukawa terms in noncommutative SO(10) and E(6) GUTs, Phys. Rev. D82 (2010) 085020 [arXiv:1008.1871 [hep-th]].
C. Tamarit, Noncommutative GUT inspired theories with U(1), SU(N) groups and their renormalisability, Phys. Rev. D81 (2010) 025006 [arXiv:0910.5195 [hep-th]].

2009:

C.P. Martin, C. Tamarit, Renormalisability of noncommutative GUT inspired field theories with anomaly safe groups, JHEP 0912 (2009) 042 [arXiv:0910.2677 [hep-th]].
C.P. Martin, C. Tamarit, Noncommutative N=1 super Yang-Mills, the Seiberg-Witten map and UV divergences, JHEP 0911 (2009) 092 [arXiv:0907.2437 [hep-th]].
C.P. Martin, C. Tamarit, Noncommutative GUT inspired theories and the UV finiteness of the fermionic four point functions, Phys. Rev. D80 (2009) 065023.
C. Tamarit, J. Trampetic, Noncommutative fermions and quarkonia decays, Phys. Rev. D79 (2009) 025020.
S. Marculescu, F. Ruiz Ruiz, Seiberg-Witten maps for SO(1,3) gauge invariance and deformations of gravity, Phys. Rev. D79 (2009) 025004.

2008:

C.P. Martin, C. Tamarit, The Seiberg-Witten map and supersymmetry, JHEP 0811 (2008) 087.
G. Horcajada, F. Ruiz Ruiz, Quantization of the open string on plane-wave limits of dS(n) x S(n) and non-commutativity outside branes, Nucl. Phys. B799 (2008) 110.
C.P. Martin, C. Tamarit, Renormalisability of the matter determinants in noncommutative gauge theory in the enveloping-algebra formalism, Phys. Lett B658 (2008) 170.

2007:

J. F. Cariñena, K. Ebrahimidi-Fard, H. Figueroa, J. M. Gracia Bondía, Hopf algebras in dynamical systems theory, Int. J. Geom. Meth. Mod. Phys. 4 (2007) 577.
K. Ebrahimidi-Fard, J. M. Gracia Bondía, F. Patras, Rota-Baxter algebras and new combinatorial identities, Lett. Math. Phys. 81 (2007) 61.
K. Ebrahimi-Fard, J.M. Gracia Bondía, F. Patras, A Lie theoretic approach to renormalization, Comm. Math, Phys., 276 (2007) 519.
C.P. Martin, D. Sánchez-Ruiz, C. Tamarit, The noncommutative U(1) Higgs-Kibble model in the enveloping-algebra formalism and its renormalizability, JHEP 0702 (2007) 065.
C.P. Martin, C. Tamarit, Monopoles, noncommutative gauge theories in the BPS limit and some simple gauge groups JHEP 0701 (2007) 100.

2006:

S. Marculescu, F. Ruiz Ruiz, Noncommutative Einstein-Maxwell pp-waves, Phys. Rev. D74 (2006) 105004.
J.M. Gracia-Bondía, F. Lizzi, F. Ruiz Ruiz, P. Vitale, Noncommutative spacetime symmetries: Twist versus covariance, Phys. Rev. D74 (2006) 025014.
C.P. Martin, C. Tamarit, Non-commutative QCD, first-order-in-theta-deformed instantons and 't Hooft vertices, JHEP 0602 (2006) 066.
K. Ebrahimi-Fard, J.M. Gracia Bondía, Combinatorics of renormalization as matrix calculus, Phys. Lett. B632 (2006) 552-558.

Selected publications from previous years:

V. Gayral, J.M. Gracia-Bondia, F. Ruiz Ruiz, Position-dependent non-commutative products: classical construction and field theory, Nucl. Phys. B727 (2005) 513-536.
V. Gayral, J.M. Gracia-Bondia, B. Iochum, T. Schucker, J.C. Varilly, Moyal planes are spectral triples, Commun. Math. Phys. 246 (2004) 569-623.
F. Brandt, C.P. Martin, F. Ruiz Ruiz, Anomaly freedom in Seiberg-Witten non-commutative gauge theories, JHEP 0307 (2003) 068.
F. Ruiz Ruiz, UV/IR mixing and the Goldstone theorem in non-commutative field theory, Nucl. Phys. B637 (2002) 143-167.
F. Ruiz Ruiz, Gauge-fixing independence of IR divergences in non-commutative U(1), perturbative tachyonic instabilities and supersymmetry, Phys. Lett. B502 (2001) 274-278.
J.M. Gracia-Bondía, C.P. Martin, Chiral anomalies on non-commutative R4, Phys. Lett. B479 (2000) 321-328.
C.P. Martin, D. Sánchez-Ruiz, The one-loop divergent structure of U(1) Yang-Mills theory on non-commutative R4, Phys. Rev. Lett. 83 (1999) 476-479.
C.P. Martin, J.M. Gracia-Bondia, J .C. Varilly, The stadard model as a non-commutative geometry: the low-energy regime, Phys. Rept. 294 (1998) 363-406.

Page maintained by F. Ruiz Ruiz. Last updated March 2018

Universidad Complutense de Madrid - Grupos de investigación

UCM's Strings and fields Research group Grupo UCM de Investigación Campos y cuerdas

UCM's Strings and fields Research group

Grupo UCM de Investigación Campos y cuerdas