Unconventional computing: Difference between revisions

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===Reservoir computing===
{{main|Reservoir computing}}
Reservoir computing is a computational framework derived from recurrent neural network theory that involves mapping input signals into higher dimensional computational spaces through the dynamics of a fixed, non-linear system called a reservoir. The reservoir, which can be virtual or physical, is made up of individual non-linear units that are connected in recurrent loops, allowing it to store information. Training is performed only at the readout stage, as the reservoir dynamics are fixed, and this framework allows for the use of naturally available systems, both classical and quantum mechanical, to reduce the effective computational cost. One key benefit of reservoir computing is that it allows for a simple and fast learning algorithm, as well as hardware implementation through [[Reservoir computing#Physical reservoir computers|physical reservoirs]].<ref>{{Cite journal|lastlast1=Tanaka|firstfirst1=Gouhei|last2=Yamane|first2=Toshiyuki|last3=Héroux|first3=Jean Benoit|last4=Nakane|first4=Ryosho|last5=Kanazawa|first5=Naoki|last6=Takeda|first6=Seiji|last7=Numata|first7=Hidetoshi|last8=Nakano|first8=Daiju|last9=Hirose|first9=Akira|date=2019-07-01|title=Recent advances in physical reservoir computing: A review|url=https://www.sciencedirect.com/science/article/pii/S0893608019300784|journal=Neural Networks|language=en|volume=115|pages=100–123|doi=10.1016/j.neunet.2019.03.005|issn=0893-6080|doi-access=free}}</ref><ref>{{Cite journal|last1=Röhm|first1=André|last2=Lüdge|first2=Kathy|date=2018-08-03|title=Multiplexed networks: reservoir computing with virtual and real nodes|journal=Journal of Physics Communications|volume=2|issue=8|pages=085007|bibcode=2018JPhCo...2h5007R|doi=10.1088/2399-6528/aad56d|issn=2399-6528|doi-access=free}}</ref> <br />
 
===Tangible computing===
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===Atomtronics===
{{main|Atomtronics}}
Atomtronics is a new quantum technology that involves the use of ultra-cold atoms in coherent matter-wave circuits, which can have components similar to those found in electronic or optical systems.<ref>{{Cite journal |last1=Amico |first1=L. |last2=Boshier |first2=M. |last3=Birkl |first3=G. |last4=Minguzzi |first4=A. |last5=Miniatura |first5=C. |last6=Kwek |first6=L.-C. |last7=Aghamalyan |first7=D. |last8=Ahufinger |first8=V. |last9=Anderson |first9=D. |last10=Andrei |first10=N. |last11=Arnold |first11=A. S. |last12=Baker |first12=M. |last13=Bell |first13=T. A. |last14=Bland |first14=T. |last15=Brantut |first15=J. P. |year=2021 |title=Roadmap on Atomtronics: State of the art and perspective |url=https://avs.scitation.org/doi/10.1116/5.0026178 |journal=AVS Quantum Science |language=en |volume=3 |issue=3 |pages=039201 |doi=10.1116/5.0026178 |arxiv=2008.04439 |bibcode=2021AVSQS...3c9201A |s2cid=235417597 |issn=2639-0213}}</ref><ref>{{cite arXivjournal |last1=Amico |first1=Luigi |last2=Anderson |first2=Dana |last3=Boshier |first3=Malcolm |last4=Brantut |first4=Jean-Philippe |last5=Kwek |first5=Leong-Chuan |last6=Minguzzi |first6=Anna |last7=von Klitzing |first7=Wolf |date=2022-06-14 |title=Colloquium : Atomtronic circuits: fromFrom many-body physics to quantum technologies |classjournal=cond-matReviews of Modern Physics |volume=94 |issue=4 |page=041001 |doi=10.quant-gas1103/RevModPhys.94.041001 |eprintarxiv=2107.08561 |s2cid=249642063 }}</ref> These circuits have potential applications in a range of areas, including fundamental physics research and the development of practical devices such as sensors and quantum computers.
 
===Fluidics===
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{{main|molecular scale electronics|chemical computing}}
 
Molecular computing is an unconventional form of computing that utilizes chemical reactions to perform computations. Data is represented by variations in chemical concentrations,<ref name="ijirt.org">{{cite journal |url=http://www.ijirt.org/paperpublished/IJIRT101166_PAPER.pdf |title=Chemical Computing: The different way of computing|first1=Ambar |last1=Kumar|first2=Akash Kumar | last2 =Mahato| first3=Akashdeep |last3=Singh |workjournal=International Journal of Innovative Research in Technology |volume =1| issue =6 | ISSNissn= 2349-6002|date=2014 |accessdate=2015-06-14 |url-status=dead|archiveurl=https://web.archive.org/web/20150615085700/http://www.ijirt.org/paperpublished/IJIRT101166_PAPER.pdf |archivedate=2015-06-15 }}</ref> and the goal of this type of computing is to use the smallest stable structures, such as single molecules, as electronic components. This field, also known as chemical computing or reaction-diffusion computing, is distinct from the related field of conductive polymers and organic electronics, which uses molecules to affect the bulk properties of materials.
 
==Biochemistry approaches==