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- W4295692766 abstract "We present a numerical approximation scheme for the Tomita-Takesaki modular operator of local subalgebras in linear quantum fields, working at one-particle level. This is applied to the local subspaces for double cones in the vacuum sector of a massive scalar free field in (1 + 1)- and (3 + 1)-dimensional Minkowski spacetime, using a discretization of time-0 data in position space. In the case of a wedge region, one component of the modular generator is well-known to be a mass-independent multiplication operator; our results strongly suggest that for the double cone, the corresponding component is still at least close to a multiplication operator, but that it is dependent on mass and angular momentum." @default.
- W4295692766 created "2022-09-14" @default.
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- W4295692766 date "2022-09-10" @default.
- W4295692766 modified "2023-10-17" @default.
- W4295692766 title "On the mass dependence of the modular operator for a double cone" @default.
- W4295692766 doi "https://doi.org/10.48550/arxiv.2209.04681" @default.
- W4295692766 hasPublicationYear "2022" @default.
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