Violation of the Spatial Quantum Inequality and the Quantum Interest Conjecture: A New Approach

Dan Solomon

Abstract


It is well known that the local kinetic energy density can be negative in quantum field theory. This is a “quantum effect” that is in contrast to classical physics where the kinetic energy density is always non-negative. It has been proposed in the literature that there exist “quantum inequalities” which place limits on this negative energy density. In this paper we will examine a type of quantum inequality call the spatial quantum inequality. The spatial quantum inequality is a lower bound on the weighted average of the kinetic energy density. It will be shown that for a massless scalar field in 1-1 dimensional space-time we can formulate a quantum state which violates the quantum inequality. In addition, we will look into the quantum interest conjecture. The quantum interest conjecture states that a negative energy pulse must always be closely associated with a positive energy pulse of greater magnitude. It will be shown that the quantum interest conjecture is violated.

Full Text: PDF DOI: 10.5539/apr.v4n1p109

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This work is licensed under a Creative Commons Attribution 3.0 License.

Applied Physics Research   ISSN 1916-9639 (Print)   ISSN 1916-9647 (Online)

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