Theory of quantum systems

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Early time diffusion for the quantum kicked rotor with narrow initial momentum distributions

Physical Review E American Physical Society (APS) 66:5 (2002) 056210

Authors:

AJ Daley, AS Parkins
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Measurements of Diffusion Resonances for the Atom Optics Quantum Kicked Rotor

(2002)

Authors:

MEK Williams, MP Sadgrove, AJ Daley, RNC Gray, SM Tan, AS Parkins, R Leonhardt, N Christensen
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Diffusion resonances in action space for an atom optics kicked rotor with decoherence

Physical Review E American Physical Society (APS) 65:3 (2002) 035201

Authors:

AJ Daley, AS Parkins, R Leonhardt, SM Tan
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Simulation of a Chemical Autonomous Agent

Zeitschrift für Physikalische Chemie De Gruyter 216:1 (2002) 41

Authors:

Andrew J Daley, Andrew Girvin, Stuart A Kauffman, Peter R Wills, Daniel Yamins
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Simulation of a chemical autonomous agent

Zeitschrift fur Physikalische Chemie 216:1 (2002) 41-49

Authors:

AJ Daley, A Girvin, SA Kauffman, PR Wills, D Yamins

Abstract:

A chemical autonomous agent is defined as a reproducing molecular system that carries out a thermodynamic work cycle, reminiscent of the earliest prebiotic replicators that harnessed free energy. The efficiency with which free energy is utilized to promote replication is a measure of the selective fitness of such a system. Simulations of the operation of a typical autonomous agent over a wide range of possible parameter settings reveals a fitness landscape with a well-defined maximum and a variety of features that are amenable to interpretation in terms of evolutionary concepts.