spin foam

countable uncountable

(physics) A topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral description of quantum gravity.

Japanese Meaning

（物理学）量子重力理論において、ファインマンの路積分の記述で全経路の合計に含めるべき構成の一つとして、二次元の面から構成される位相的構造を指す。

What is this buttons?

In loop quantum gravity, researchers calculate the amplitudes of a spin foam to derive transition probabilities between quantum geometries.

Google Translation / DeepL Translation

ループ量子重力理論では、研究者たちは二次元の面からなる位相構造の振幅を計算して、量子幾何学間の遷移確率を導き出す。

Details

Sense（1）

(physics) A topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral description of quantum gravity.

spin foams

（ plural ）

Details

spin foam

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