This spurred on activities having the aim of synthesizing and characterizing organic conductors, which had already been going on for two decades. This monograph is intended to be an introduction to and review of the study of organic conductors and superconductors.
Springer Series in Solid-State Sciences
The investigations are to warrant a treatise of some length. At the same time sufficiently rich they have produced a few active subfields, each containing exciting topics. This situation seems to necessitate a monograph describing the current status of the field for both researchers and newcomers to the field. However, available experimental and theoretical results are sometimes conflicting and have not yet been arranged into a coherent standard picture of the whole field.
Further developments are continually being reported and therefore it is still premature to write a textbook about some of the topics. However, we have tried to include discussions of recent topics in this volume. About this product. Stock photo. Brand new: lowest price The lowest-priced brand-new, unused, unopened, undamaged item in its original packaging where packaging is applicable. Brand new never used some shelf blemish. See details.
Buy It Now. Add to cart. Be the first to write a review About this product. In the wake of the discovery of high-Tc oxides many international confer ences have been held on the subject, mainly intended for those already working in high-Tc research.
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Hence, the idea evolved of organizing a school dedicated to students and young scientists entering the field of superconductivity. The intention was to give a broad perspective of the field with its eight decades of research history and thus to link existing fields of knowledge and gain con tinuity. As a consequence, formal limitations on the value of the critical temperature of the transition are eliminated too.
The theory quantitatively explains such thermodynamic properties of HTSC-conductors as availability and value of the jump in the heat capacity lacking in the theory of Bose condensation of an ideal gas. The theory also gives an insight into the occurrence of a great ratio between the width of the pseudogap and T c.
It accounts for the small value of the correlation length and explains the availability of a gap and a pseudogap in HTSC materials. Earlier the 3D TI-bipolaron theory was developed by author in Lakhno , , , b. Consideration of 1D case carried out in the paper can be used to explain 3D high-temperature superconductors 3D TI-bipolaron theory of superconductivity was developed in Lakhno a where 1D stripes play a great role.
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As the consideration suggests, artificially created nanostripes with enhanced concentration of charge carriers can be used to increase the critical temperature of superconductors. Theoretical description of the nanostripes can also be based on the approach developed. National Center for Biotechnology Information , U. Published online Aug 8.
Received Jul 1; Accepted Aug 1. Bipolarons with broken translation invariance in the Holstein model in the strong coupling limit According to Lakhno , and Holstein , Holstein Hamiltonian in a one-dimensional chain in a continuum limit has the form: Translation invariant bipolaron theory To construct a translation invariant bipolaron theory in the Holstein model, in Hamiltonian 1 we pass on to coordinates of the center of mass.
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In this system Hamiltonian 1 takes the form: Open in a separate window. Spectrum of excited states According to the results obtained in Tulub and Lakhno b , the spectrum of excited states of Hamiltonian 18 and 19 is determined by the expression: Statistical thermodynamics of 1D gas of TI-bipolarons Let us consider the rare the pair correlation length is much smaller then the average distance between pairs one-dimensional ideal Bose-gas of TI-bipolarons which is a system of N particles, occurring in a one-dimensional chain of length L.
Comparison with discrete model Earlier we considered the problem of symmetry breakdown for one electron interacting with oscillations of a one-dimensional quantum chain Lakhno Conclusions In this paper we demonstrate that TI-bipolaron mechanism of Bose condensation can support superconductivity even for infinite chain.
Competing interests The author declares that he has no competing interests. One dimensional superconductivity in nanowires.
Novel Superconducting Materials
Effect of solvation on hole motion in DNA. Polarons and excitons in polar semiconductors and ionic crystals. Self-trapping in quasi-one-dimensional solids. Electron-correlation effects in one-dimensional large-bipolaron formation. Interplay between electronphonon and Coulomb interactions in cuprates.
J Phys Condens Matter.
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Die Selbstenergie des Elektrons. Studies of polaron motion: Electron correlations in narrow energy bands. Proc R Soc Lond A.
Large-radius bipolaron and the polaron—polaron interaction. Mathematical modeling of autolocalized states in condensed media. Continuum model of the one-dimensional Holstein bipolaron in DNA.
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