ar X iv : h ep - t h / 96 10 22 6 v 1 2 8 O ct 1 99 6 IFT - P . 042 / 96 Super - Maxwell Actions with Manifest Duality

ar X iv : h ep - t h / 96 10 13 4 v 2 2 8 O ct 1 99 6 IFT - P . 039 / 96 Local Actions with Electric and Magnetic Sources Nathan Berkovits

Superstring field theory was recently used to derive a covariant action for a self-dual five-form field strength. This action is shown to be a ten-dimensional version of the McClain-Wu-Yu action. By coupling to D-branes, it can be generalized in the presence of sources. In four dimensions, this gives a local Maxwell action with electric and magnetic

ar X iv : h ep - t h / 96 10 13 4 v 1 1 7 O ct 1 99 6 IFT - P . 039 / 96 Local Actions with Electric and Magnetic Sources

Superstring field theory was recently used to derive a covariant action for a self-dual five-form field strength. This action is shown to be a ten-dimensional version of the McClain-Wu-Yu action. By coupling to D-branes, it can be generalized in the presence of sources. In four dimensions, this gives a local Maxwell action with electric and magnetic

ar X iv : h ep - t h / 96 10 18 5 v 1 2 3 O ct 1 99 6 A Functional Approach to the Heat Kernel in Curved Space

ar X iv : h ep - t h / 96 10 03 1 v 1 7 O ct 1 99 6 INJE – TP – 96 – 5 Higher dimensional extremal black strings

We investigate the five and six-dimensional black strings within EinsteinMaxwell theory. The extremal black strings are endowed with the null Killing symmetry. We study the propagation of Einstein-Maxwell modes in the extremal black string background by using this symmetry. It turns out that one graviton is a propagating mode, while both the Maxwell(F) and three-form (H) fields are non-propagat...

ar X iv : h ep - p h / 96 10 23 2 v 1 3 O ct 1 99 6 1995 - 96 HERA WORKSHOP BEYOND THE STANDARD MODEL GROUP SUMMARY

We summarize the work done in the “Beyond the Standard Model” group of the 1995-96 HERA Workshop. Of the various proposed HERA upgrades, the luminosity improvement is the most important for this physics. With an integrated luminosity of 1 fb, collected by 2005, HERA will remain a competitive and potentially fruitful facility for new physics searches.