"Quantum gravity"의 두 판 사이의 차이
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==Puzzles of (quantum) gravity== | ==Puzzles of (quantum) gravity== | ||
| − | * The effective, semiclassical theory of gravity has raised lots of fascinating questions, some old and some new: | + | * The effective, semiclassical theory of gravity has raised lots of fascinating questions, some old and some new: |
** is gravity really just the dynamics of spacetime geometry? | ** is gravity really just the dynamics of spacetime geometry? | ||
** why do we live in a huge universe? | ** why do we live in a huge universe? | ||
| 14번째 줄: | 14번째 줄: | ||
==== 하위페이지 ==== | ==== 하위페이지 ==== | ||
| − | * [[quantum gravity]] | + | * [[quantum gravity]] |
| − | ** [[loop gravity]] | + | ** [[loop gravity]] |
[[분류:physics]] | [[분류:physics]] | ||
[[분류:migrate]] | [[분류:migrate]] | ||
2020년 11월 13일 (금) 23:22 판
Puzzles of (quantum) gravity
- The effective, semiclassical theory of gravity has raised lots of fascinating questions, some old and some new:
- is gravity really just the dynamics of spacetime geometry?
- why do we live in a huge universe?
- what becomes of spacetime at shortest distances?
- is there a statistical explanation of black-hole entropy?
- is spacetime physics holographic?
- what is the nature of dark matter and dark energy { is it exotic matter, exotic gravity, or perhaps a mixture of both?
- in the end, do we modify gravity and relativity, or do we modify quantum mechanics, or perhaps both?