Model for self-replicating, self-assembling electric circuits with self-controlled growth

Tile self-assembly models have proved to be important theoretical tools for studying nanoscale manufacturing techniques, and have provided insight into the computational capabilities of systems inspired by molecular biology. A tile assembly model (rcTAM), whose tiles are composed of simple electric...

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Main Authors: Rojoba Yasmin, Max Garzon, Russell Deaton
Format: Article
Language:English
Published: American Physical Society 2020-07-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.2.033165
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author Rojoba Yasmin
Max Garzon
Russell Deaton
author_facet Rojoba Yasmin
Max Garzon
Russell Deaton
author_sort Rojoba Yasmin
collection DOAJ
description Tile self-assembly models have proved to be important theoretical tools for studying nanoscale manufacturing techniques, and have provided insight into the computational capabilities of systems inspired by molecular biology. A tile assembly model (rcTAM), whose tiles are composed of simple electric circuit components, exhibits three important properties akin to those found in living organisms. First, it grows from a seed tile by self-assembly of component tiles. Second, it autonomously stops growth when a maximum size is reached, as determined by parameters associated with the tiles. Third, when the circuit assembly has reached the limit of its growth, it generates an identical copy of the original seed, which then will grow to replicate a copy itself. The size of the assembled circuit is controlled by values of the circuit components (voltage sources, resistors), and a threshold voltage for tile attachment. Since every new tile attachment instantly changes the circuit properties, such as voltage drops and currents across resistors, as well as equivalent resistances, the model exhibits instantaneous distant communication and cooperation between components, as well as dynamic behavior. Proofs are given for a bound on growth, the self-replicating property, and possible aging phenomena that produce a stable circuit population. The model might have application to electrochemical growth processes at the nanoscale, and provides insight into self-replicating systems that are not necessarily composed of organic materials. In addition, it models certain features of bioelectric networks that contribute to pattern formation in collections of cells.
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spelling doaj.art-c933ac440a9340f08f43794df9525d842024-04-12T16:57:58ZengAmerican Physical SocietyPhysical Review Research2643-15642020-07-012303316510.1103/PhysRevResearch.2.033165Model for self-replicating, self-assembling electric circuits with self-controlled growthRojoba YasminMax GarzonRussell DeatonTile self-assembly models have proved to be important theoretical tools for studying nanoscale manufacturing techniques, and have provided insight into the computational capabilities of systems inspired by molecular biology. A tile assembly model (rcTAM), whose tiles are composed of simple electric circuit components, exhibits three important properties akin to those found in living organisms. First, it grows from a seed tile by self-assembly of component tiles. Second, it autonomously stops growth when a maximum size is reached, as determined by parameters associated with the tiles. Third, when the circuit assembly has reached the limit of its growth, it generates an identical copy of the original seed, which then will grow to replicate a copy itself. The size of the assembled circuit is controlled by values of the circuit components (voltage sources, resistors), and a threshold voltage for tile attachment. Since every new tile attachment instantly changes the circuit properties, such as voltage drops and currents across resistors, as well as equivalent resistances, the model exhibits instantaneous distant communication and cooperation between components, as well as dynamic behavior. Proofs are given for a bound on growth, the self-replicating property, and possible aging phenomena that produce a stable circuit population. The model might have application to electrochemical growth processes at the nanoscale, and provides insight into self-replicating systems that are not necessarily composed of organic materials. In addition, it models certain features of bioelectric networks that contribute to pattern formation in collections of cells.http://doi.org/10.1103/PhysRevResearch.2.033165
spellingShingle Rojoba Yasmin
Max Garzon
Russell Deaton
Model for self-replicating, self-assembling electric circuits with self-controlled growth
Physical Review Research
title Model for self-replicating, self-assembling electric circuits with self-controlled growth
title_full Model for self-replicating, self-assembling electric circuits with self-controlled growth
title_fullStr Model for self-replicating, self-assembling electric circuits with self-controlled growth
title_full_unstemmed Model for self-replicating, self-assembling electric circuits with self-controlled growth
title_short Model for self-replicating, self-assembling electric circuits with self-controlled growth
title_sort model for self replicating self assembling electric circuits with self controlled growth
url http://doi.org/10.1103/PhysRevResearch.2.033165
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