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| === The Journey to Quantum Gravity === == Carlo Rovelli 2017 . Cedar Mill 503.143 == |
== The Journey to Quantum Gravity == === Carlo Rovelli 2017 . Cedar Mill 503.143 === |
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| Idea is that spacetime is quantized, connection graphs between nodes at Planck scale. "Big bang" is "big bounce" |
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| .p182 "time does not exist" at the Planck scale, time is relational at large scale | |
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| . graph vs. k,,(co-moving),, which ranges from 0 to 20 . A. Ashtekar, I. Agullo, W. Nelson ... probably fig. 1 of [[ [[ https://arxiv.org/pdf/1209.1609 | Quantum gravity extension of the inflationary scenario, 2012 ]] |
. graph vs. k,,(co-moving),, which ranges from 0 to 20 ... and what is k,,(co-moving),,? . A. Ashtekar, I. Agullo, W. Nelson ... probably fig. 1 of [[ https://arxiv.org/pdf/1209.1609 | Quantum gravity extension of the inflationary scenario]] , 2012 ------ == Seven Brief Lessons on Physics == === Hillsboro 530 Rovelli 2016 === ----- Quick fluff ... page 48 shows "bounce" from prior phase. Would that bounce homogenize the universe ... instead of inflation? |
Reality is Not What It Seems
The Journey to Quantum Gravity
Carlo Rovelli 2017 . Cedar Mill 503.143
Author of "Seven Brief Lessons on Physics"
Idea is that spacetime is quantized, connection graphs between nodes at Planck scale. "Big bang" is "big bounce"
- p059 Maxwell's equations: dF = 0, d*F = J (?? divergence and curl of "field" ?? )
p157 John Wheeler audio
- p182 "time does not exist" at the Planck scale, time is relational at large scale
- p220 Possible loop quantum gravity prediction of background radiation spectrum
graph vs. k(co-moving) which ranges from 0 to 20 ... and what is k(co-moving)?
A. Ashtekar, I. Agullo, W. Nelson ... probably fig. 1 of Quantum gravity extension of the inflationary scenario , 2012
Seven Brief Lessons on Physics
Hillsboro 530 Rovelli 2016
Quick fluff ... page 48 shows "bounce" from prior phase. Would that bounce homogenize the universe ... instead of inflation?