On a class of bounded quantum fields
M. Grott, K.-H. Rehren
TL;DR
This paper characterizes a specific class of 1+1 dimensional local quantum fields that are bounded, obey Huygens' principle, and are conformally covariant, providing a complete classification of these fields.
Contribution
It provides a complete classification of bounded, conformally covariant quantum fields in 1+1 dimensions that satisfy Huygens' principle.
Findings
Complete determination of bounded conformal quantum fields in 1+1 dimensions.
Identification of conditions under which local quantum fields are bounded and conformally covariant.
Clarification of the role of Huygens' principle in classifying such fields.
Abstract
Local quantum fields in 1+1 dimensions can have bounded field operators. The class of such fields which in addition obey Huygens' principle (time-like commutativity) and conformal covariance, is completely determined.
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