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原文連結
論文資訊
- 類型：已發表論文
- 日期：2011
摘要
A number of recent proposals on a 量子 theory of gravity are based on the idea that spacetime geometry and gravity are derivative concepts and only apply at an approximate level. There are two fundamental challenges to any such approach. At the conceptual level, there is a clash between the 'timelessness' of general relativity and 湧現. Secondly, the lack of a fundamental spacetime renders difficult the straightforward application of well-known methods of 統計 physics to the problem. We recently initiated a study of such problems using spin systems based on the 演化 of 量子 網絡s with no a priori geometric notions as models for emergent geometry and gravity. In this paper, we review two such models. The first model is a model of emergent (flat) space and matter, and we show how to use methods from 量子
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