标题： 量子理论中的嵌套结构，函数算子和多重宇宙 显示英文标题

标题： Embedded structure in quantum theory, functional operator and multiverse

摘要： 我们探索了一个更广泛的理论框架，其中内置了量子场论，将量子力学从量子场论中重建这一事实作为提示。 我们通过引入泛函算子构建了一个具有嵌入结构的量子理论，并发现它能够描述二级宇宙。 在我们的表述中讨论了与宇宙起源相关的主题，如暴胀、第三次量子化和景观。 显示英文摘要

摘要： We explore a wider theoretical framework that has quantum field theory built-in, taking the fact that quantum mechanics is reconstructed from quantum field theory as a hint. We formulate a quantum theory with an embedded structure by introducing functional operators, and we find that it could describe the level II multiverse. Topics related to a beginning of the universe such as an inflation, the third quantization and the landscape are discussed in our formulation.