Quantum Information Processing in the Wall of Cytoskeletal Microtubules |
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Authors: | Chunhua Shi Xijun Qiu Tongcheng Wu Ruxin Li |
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Institution: | (1) Department of Physics, Shanghai University, Shanghai, 200444, People’s Republic of China;(2) Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, People’s Republic of China |
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Abstract: | Microtubules (MT) are composed of 13 protofilaments, each of which is a series of two-state tubulin dimers. In the MT wall,
these dimers can be pictured as “lattice” sites similar to crystal lattices. Based on the pseudo-spin model, two different
location states of the mobile electron in each dimer are proposed. Accordingly, the MT wall is described as an anisotropic
two-dimensional (2D) pseudo-spin system considering a periodic triangular “lattice”. Because three different “spin-spin” interactions
in each cell exist periodically in the whole MT wall, the system may be shown to be an array of three types of two-pseudo-spin-state
dimers. For the above-mentioned condition, the processing of quantum information is presented by using the scheme developed
by Lloyd. |
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Keywords: | MT tubulin dimer 2-D pseudo-spin “ lattice” site two-state information processing |
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