Its hard to describe the frustration and anger I feel to see all these papers talk about “tensor networks” and geometry as if they are discovering something new which wasn’t already discovered 31 years ago under the framework known as Loop Quantum Gravity (LQG). Take this recent paper for example: http://arxiv.org/abs/2402.05910 “First, how might we… Continue reading The “Rediscovery” of Spin Networks and Loop Quantum Gravity
… is a phrase that many high energy theorists, especially those of the stringy persuasion, long to hear. Fortunately, to borrow a phrase from Mark Twain, reports of the death of loop quantum gravity (LQG) are greatly exaggerated. Premature declarations of the imminent demise of LQG have a long history. The most recent one comes… Continue reading “Loop Quantum Gravity is Dead … ”
Schottky Peaks and AdS Black Holes In [1], Clifford Johnson makes yet another contribution to the study of black holes in anti-deSitter spacetimes or AdS black holes, for short. In this work he studies those black holes for which the specific heat at constant volume $ C_V $ (with “volume” here referring to the volume… Continue reading Specific Heats of AdS Black Holes and Quantum Geometry
The 23th DAE-BRNS High Energy Physics Symposium was held at IIT Madras from Dec 10 – Dec 14. It was an interesting event. I met lots of very smart people. My abstract based on my paper [1] had been selected for a talk in the “Formal Theory” parallel session on Dec 11. Interestingly the talk… Continue reading DAE-HEP 2018 – Preons, Fermions and All That