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Category: Spacetime Diagram

Lorentz transformation in-terms of hyperbolic rotation

by Damodar Rajbhandari 14. March 2019 Algebra, Mathematics, Spacetime Diagram, Special Relativity Comments
Lorentz transformation in-terms of hyperbolic rotation
Lorentz transformation is how an observer sees an event when he is moving on different points of spacetime. I want to note here, in special (or, general) relativity, our universe and the spacetime are interchangeable terms (For why, see this).  But, in reality, the same observer can’t be in different places at a time to ...

A lookup to Dirac’s Lightcone Coordinate System

by Damodar Rajbhandari 06. March 2019 Lightcone, Quantum Gravity, Spacetime Diagram, Special Relativity Comments
A lookup to Dirac’s Lightcone Coordinate System
A beam of light emitted from a sun travels 150 million kilometers to hit on our retina then, we will say there’s a sun. But, the sun that you have just seen is actually about 8 minutes old. Because light also takes time to travel at that distance. So, the first thing you should know ...

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Caption: Snapshot of the geometry at some Monte-Carlo sweep in 2D Euclidean quantum gravity coupled with Polyakov matter field

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