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Pseudo-Spin Model for the Cytoskeletal Microtubule Surface |
| CHEN Ying1,2;QIU Xi-Jun1;LI Ru-Xin3 |
| 1Department of Physics, Shanghai University, Shanghai 200436
2Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050
3Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| Cite this article: |
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CHEN Ying, QIU Xi-Jun, LI Ru-Xin 2004 Chin. Phys. Lett. 21 2313-2315 |
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Abstract Due to the inherent symmetry structures and the electric properties in the microtubule (MT), we treat the MT as a one-dimensional ferroelectric system and describe the nonlinear dynamics of dimer electric dipoles in one protofilament of the MT by virtue of the double-well potential. Consequently, the physical problem has been mapped onto the pseudo-spin system, and the mean-field approximation has been taken to obtain some physical results, including the expression for the phase transition temperature Tc and the estimated value of Tc (about 312 K).
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| Keywords:
87.16.Ka
87.15.He
75.10.Jm
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Published: 01 November 2004
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| PACS: |
87.16.Ka
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(Filaments, microtubules, their networks, and supramolecular assemblies)
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87.15.He
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75.10.Jm
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(Quantized spin models, including quantum spin frustration)
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