Titlebook: Organic Conductors and Semiconductors; Proceedings of the I L. Pál,G. Grüner,J. Sólyom Conference proceedings 1977 Springer-Verlag Berlin H

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Order in coupled metallic chains, interactions are g., 9., and 9. and the interchain interactions are v., v., and v.. The calculations are carried out for g.=0 and g./πv. = −6/5, which corresponds to the Luttinger and Luther-Emery lines. When only low-momentum transfer interchain interactions are considered, there is no phase trans

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The two-chain problem: A model of TTF-TCNQ, are intrachain interactions g. and g., and there are interchain interactions w. and w.. We investigate all of the possible two-particle correlation functions, of which the new divergent ones not present in the single chain problem are of the excitonic insulator type. In addition, we investigate ess

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On the problem of phase transitions in quasi-id metallic systems,lization group method. It is found that while the type of the order that develops in the system is determined by the interchain interaction, the critical temperature is strongly influenced by the intrachain couplings.

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,The exciton model of superconductivity in linear chains — revisited, linear chain of transition-metal atoms to which is complexed a ligand system of highly polarizable dye molecules. The model is discussed in the light of recent developments in our understanding of one-dimensional metals. We show that for the structure proposed, the momentum dependence of the excito

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great prize to win for the world’s water companies. Argentina had just come out of a dark period, one of instability followed by a military dictatorship that had cost the lives of thousands of people and that ended after the disastrous war over the Falkland Islands, called the Malvinas by the Argen

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John Bardeenn can be examined from three perspectives—services, research and policy. Services are provided in major public sector hospitals and some private institutions. Trained health professionals including psychiatrists and clinical psychologists are limited, and people often access faith healers for mental

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A. Luthernomic and demographic spectrums and is frequently unreported by victims. Sexual violence is associated with negative physical, sexual, and reproductive health effects and, as importantly, it is linked to profound long-term mental health consequences. The reach of violence against women has been felt

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J. Zittartzikely than men to seek treatment for psychological problems and depression...: In the literature, two broad explanations are offered for these gender differences. On the one hand, socioeconomic factors such as the position in the labor market are highlighted. On the other hand, differences in mental

Fracture

J. Sólyom,G. Szabóuestion that has intrigued and challenged mathematicians ever since. The sieve of Eratosthenes provided a simple but very inefficient means of identifying which integers were prime, but attempts to find explicit, closed formulas for the .th prime, or for the number .(.) of primes less than or equal