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PKU HEP Seminar and Workshop (北京大学高能物理组)

# Gravity between Newton and Einstein

## by Prof. Niels Obers (Nordita & Niels Bohr Institute)

Wednesday, January 27, 2021 from to (Asia/Shanghai)
at CHEP
 Description The quest for a consistent theory of quantum gravity is one of the most important outstanding problems in theoretical physics. In the landscape of physical theories, quantum gravity sits at the corner where all the physical constants (speed of light, Newton’s and Planck’s constant) are finite. A region that is often overlooked is the nonrelativistic gravity regime. Contrary to common lore, it is becoming clear that the theory of nonrelativistic gravity is much richer than was so far appreciated, containing much more than just Newtonian gravity. Thus, this offers an entirely unexplored potential as a new route towards quantum gravity. Central to this development is the formulation of non-relativistic gravity in terms of Newton–Cartan type geometries, originally introduced by Cartan in 1923 to geometrize Newton's law of gravitation. Moreover, a wide range of recent applications of Newton-Cartan Geometry, spanning from string theory and holography to condensed matter and biophysical systems, have spurred further interest and insights into Newton-Cartan geometry and related non-relativistic geometries. Let's use Zoom: https://zoom.com.cn/j/96357968034?pwd=K2REeGF0V2dqOElRd09hVGVRcDk4Zz09 or https://cern.zoom.us/j/96357968034?pwd=K2REeGF0V2dqOElRd09hVGVRcDk4Zz09 Meeting ID: 963 5796 8034 Password: 125125