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UID:Baylor_CMS_Event-83118
DTSTAMP:20260609T093336Z
SUMMARY:Physics Colloquium Series - Bahram Shakerin and Xinwen Wang
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:Bahram Shakerin - HL Gravity as an Alternative Theory of Gravity and=0D=0A=
Slow Rotating Black Holes=0D=0A=
I will start with the physical and aspects of alternative theories in theoretical=0D=0A=
physics. After a brief review of such theories, I will focus on Einstein's General=0D=0A=
Relativity. I will talk a little about the important accepted results from GR and=0D=0A=
then I will follow by HL theory of gravity by mentioning why this theory is a=0D=0A=
possible alternative theory of gravity at low energies. Then I will follow by the=0D=0A=
claim of Barausse and Sotiriou, Phys. Rev. Lett. 109, 181101 (2012) and Dr.=0D=0A=
Wang's response to that claim.=0D=0A=
=0D=0A=
Xinwen Wang - Lifshitz Fixed Points in (2 + 1)-Dimensional=0D=0A=
Horava-Lifshitz Gravity=0D=0A=
There are many approaches to quantum gravity, besides LQG (Loop Quantum=0D=0A=
Gravity), none of them has had major success in attracting people to do=0D=0A=
research in it. Now, there is a new option, the so called Quantum Gravity at a=0D=0A=
Lifshitz Point initiated by Peter Horava, a well known string theorist. The HL=0D=0A=
(Horava Lifthitz) theory is based on the perspective that Lorentz symmetry=0D=0A=
should appear as an emergent symmetry at long distances, but can be=0D=0A=
fundamentally absent at short ones. In this paper, we starting from the metric in=0D=0A=
(2+1)-dimensional spacetimes without the projectability condition, we get the=0D=0A=
general action. In the second part, we consider the cases in three different=0D=0A=
energy scales, the infrared (IR), intermediate, and ultraviolet (UV).
LOCATION:BSB E 125
DTSTART;TZID=US_Central:20130405T153500
DTEND;TZID=US_Central:20130405T173500
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