TL;DR
This paper critically examines the concept of quantum coherence engines, arguing that generating 'phaseonium' and extracting work from a single heat bath via coherence are fundamentally impossible according to physical laws.
Contribution
It provides a theoretical critique of previous proposals, clarifying the physical limitations of quantum coherence engines.
Findings
Proves the impossibility of generating 'phaseonium' under physical laws.
Demonstrates that extracting work from a single heat bath via coherence is not feasible.
Clarifies misconceptions about quantum coherence and thermodynamics.
Abstract
In a report published in Science, Scully et al propose to generate "phaseonium", and "extract work from a single heat bath via vanishing coherence" [1]. On the basis of the laws of physics, such a proposal is futile for at least two reasons.
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Taxonomy
TopicsElectrohydrodynamics and Fluid Dynamics · solar cell performance optimization · Quantum Information and Cryptography