Wilson line inflation TeX Export

@article{wilson-line-inflation, abstract = {Abstract  We present a general setup for inflation in string theory where the inflaton field corresponds to Wilson lines in compact space in the presence of magnetic fluxes. T-dualities and limits on the value of the magnetic fluxes relate this system to the standard D-brane inflation scenarios, such as brane-antibrane inflation, D3/D7 brane inflation and different configurations of branes at angles. This can then be seen as a generalised approach to inflation from open string modes. Inflation ends when the Wilson lines achieve a critical value and an open string mode becomes tachyonic. Then hybrid-like inflation, including its cosmic string remnants, is realized in string theory beyond the brane annihilation picture. Our formalism can be incorporated within flux-induced moduli stabilisation mechanisms in type IIB strings. Also, contrary to the standard D-brane separation, Wilson lines can be considered in heterotic string models. We provide explicit examples to illustrate similarities and differences of our mechanism to D-brane inflation. In particular we present an example in which the η problem present in brane inflation models is absent in our case. We have examples with both blue and red tilted spectral index and remnant cosmic string tension \$\$G\mu \lesssim 10^{-7}\$\$ .}, author = {Avgoustidis, A. and Cremades, D. and Quevedo, F.}, citeulike-article-id = {1646841}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s10714-007-0454-y}, citeulike-linkout-1 = {http://www.ingentaconnect.com/content/klu/gerg/2007/00000039/00000008/00000454}, citeulike-linkout-2 = {http://www.springerlink.com/content/67ur616604vt33uu}, day = {1}, doi = {10.1007/s10714-007-0454-y}, issn = {0001-7701}, journal = {General Relativity and Gravitation}, keywords = {strings}, month = {August}, number = {8}, pages = {1203--1234}, posted-at = {2009-10-29 18:31:18}, priority = {2}, publisher = {Springer}, title = {Wilson line inflation}, url = {http://dx.doi.org/10.1007/s10714-007-0454-y}, volume = {39}, year = {2007} }

TY - JOUR ID - wilson-line-inflation L3 - citeulike-article-id:1646841 N2 - Abstract  We present a general setup for inflation in string theory where the inflaton field corresponds to Wilson lines in compact space in the presence of magnetic fluxes. T-dualities and limits on the value of the magnetic fluxes relate this system to the standard D-brane inflation scenarios, such as brane-antibrane inflation, D3/D7 brane inflation and different configurations of branes at angles. This can then be seen as a generalised approach to inflation from open string modes. Inflation ends when the Wilson lines achieve a critical value and an open string mode becomes tachyonic. Then hybrid-like inflation, including its cosmic string remnants, is realized in string theory beyond the brane annihilation picture. Our formalism can be incorporated within flux-induced moduli stabilisation mechanisms in type IIB strings. Also, contrary to the standard D-brane separation, Wilson lines can be considered in heterotic string models. We provide explicit examples to illustrate similarities and differences of our mechanism to D-brane inflation. In particular we present an example in which the η problem present in brane inflation models is absent in our case. We have examples with both blue and red tilted spectral index and remnant cosmic string tension $$G\mu \lesssim 10^{-7}$$ . IS - 8 JF - General Relativity and Gravitation SN - 0001-7701 EP - 1234 TI - Wilson line inflation PB - Springer VL - 39 SP - 1203 KW - strings AU - Avgoustidis, A AU - Cremades, D AU - Quevedo, F PY - 2007/08/01/ UR - http://dx.doi.org/10.1007/s10714-007-0454-y ER -