Competition between superconductivity and charge density waves
نویسندگان
چکیده
منابع مشابه
Competition Between Charge-Density Waves and Superconductivity in Striped Systems
Switching on interchain coupling in a system of one-dimensional strongly interacting chains often leads to an ordered state. Quite generally, there is a competition between an insulating charge-density-wave and a superconducting state. In the case of repulsive interactions, charge-density wave usually wins over superconductivity. Here, we show that a suitable modulation in the form of a period ...
متن کاملCompetition between Superconductivity and Charge Density Waves: the Role of Disorder
Sapienza Università di Roma Dottorato di Ricerca in Fisica Scuola di dottorato " Vito Volterra " Competition between Superconductivity and Charge Density Waves: the Role of Disorder Thesis submitted to obtain the degree of " Dottore di Ricerca " – Philosophi ae Doctor
متن کاملChiral charge-density waves.
We discovered the chirality of charge-density waves (CDW) in 1T-TiSe₂ by using STM and time-domain optical polarimetry. We found that the CDW intensity becomes Ia₁∶Ia₂∶Ia₃ = 1∶0.7 ± 0.1∶0.5 ± 0.1, where Ia(i) (i=1,2,3) is the amplitude of the tunneling current contributed by the CDWs. There were two states, in which the three intensity peaks of the CDW decrease clockwise and anticlockwise. The ...
متن کاملd-Wave Superconductivity and s-Wave Charge Density Waves: Coexistence between Order Parameters of Different Origin and Symmetry
A review of the theory describing the coexistence between d-wave superconductivity and s-wave charge-density-waves (CDWs) is presented. The CDW gapping is identified with pseudogapping observed in high-Tc oxides. According to the cuprate specificity, the analysis is carried out for the two-dimensional geometry of the Fermi surface (FS). Phase diagrams on the σ0 − α plane—here, σ0 is the ratio b...
متن کاملCharge density wave fluctuations in La2−xSrxCuO4 and their competition with superconductivity
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2007
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.75.075105