[Seminar] Transmission of Dipole Radiation
Dr. Breese Quinn
quinn at phy.olemiss.edu
Tue Nov 2 14:09:08 CST 2004
Note: My apologies for such a late notice. The family and I have been
sick lately and it simply slipped my mind. -Breese
Lewis Hall, Room 101
Tuesday, 2 Novemver 2004
Dr. Sabine Hossenfelder
Dept. of Physics
University of Arizona
"Planck Scale Physics"
Planck scale physics represents a future challenge, located between
particle physics and general relativity. The Planck scale marks a
threshold beyond which the old description of spacetime breaks
down and conceptually new phenomena must appear. Little is known about
the fundamental theory valid at Planckian energies, except that it
necessarily seems to imply the occurrence of a minimal length scale,
providing a natural ultraviolet cutoff and a limit to the possible
resolution of spacetime.
Motivated by String Theory, the models of large extra dimensions lower
the Planck scale to values soon accessible. These models predict a vast
number of quantum gravity effects at the lowered Planck scale, among
them the production of TeV-mass black holes and gravitons. Within the
extra dimensional scenario, also the minimal length comes into the reach
of experiment and sets a fundamental limit to short distance physics.
My talk will focus on the effects at energies close to the lowered
Planck scale within the effective models of Large Extra Dimensions.
Can those who are registered for Physics 510, please sign the roll
sheet when you arrive?
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