Download e-book for kindle: New Challenges in Superconductivity: Experimental Advances by A. Lanzara, G.-H. Gweon, S. Y. Zhou (auth.), J. Ashkenazi,

By A. Lanzara, G.-H. Gweon, S. Y. Zhou (auth.), J. Ashkenazi, Mikhail V. Eremin, Joshua L. Cohn, Ilya Eremin, Dirk Manske, Davor Pavuna, Fulin Zuo (eds.)

ISBN-10: 1402030835

ISBN-13: 9781402030833

ISBN-10: 1402030843

ISBN-13: 9781402030840

ISBN-10: 1402030851

ISBN-13: 9781402030857

This quantity includes the lawsuits of the 2004 college of Miami Workshop on Unconventional Superconductivity. The workshop was once the fourth in a sequence of winning conferences on High-T Superconductivity and C similar issues, which happened on the James L. Knight Physics construction at the college of Miami campus in Coral Gables, Florida, in January 1991, 1995, 1999, and 2004. The workshop consisted of 2 consecutive occasions: 1. NATO complex learn Workshop (ARW) on New demanding situations in Superconductivity: Experimental Advances and rising Theories, hung on January 11-14, 2004; 2. Symposium on rising Mechanisms for top Temperature Superconductivity (SEMHTS), hung on January 15-16, 2004. it's not easy to put in writing a balanced preface to a quantity like this one, but a minimum of we attempt to supply the reader a flavor of what was once taking place during this workshop. there have been with regards to 100 scientists from around the globe, albeit fewer Russians than we had initially was hoping for. however, the workshop was once very vigorous and we belief that this is often tested during this quantity. The workshop incorporated top of the range shows on cutting-edge works, but a key factor, mentioned by means of many, was once how homogeneous the cuprates are. STM info, in addition to different studies, confirmed that the cuprate superconductors (SC’s) studied have been inhomogeneous, particularly within the underdoped regime; whereas experiments, like ARPES and magnetoresistance have verified the life of a Fermi floor (FS), at the least above a few doping point, within the cuprates.

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Lett. 7, 495 (2000) M. Abrecht, D. Ariosa, D. Cloetta, G. Margaritondo, D. Pavuna: vol. 4811, SPIE, Bellingham (2002) A. , Phys. Rev. B 65, 094504/1-11 (2002) M. Abrecht et al, Phys. Rev. Lett. 91, 057002 (2003) M. html M. Abrecht et al, JPCS 65, (8-9) 1391 (2004) I. Mrkonjic and S. A. Müller, A. Bianconi, A. Bishop, T. Egami, D. Mihailovic, J. C. L. Saini, H. Oyanagi, V. Scagnoli, T. Ito, K. Oka, A. Bianconi, EPL 63, 128 (2003) Independently Ole Andersen, Stewart Barnes, Julien Bok (among others) argue that their respective models offer somewhat different yet correct explanation of our measurements.

One can see in the figure that the spectrum changes markedly in accordance with the SC transition at Tc = 81 K. In the normal state, the spectrum exhibits a weak suppression in an energy region comparable to the SC gap. This gap like behavior is called “small energy-scale pseudogap” or “small pseudogap (SPG)”, to distinguish it from the other pseudogap with a several times larger energy scale, the so-called “large pseudogap (LPG)” [9]. The LPG, which has been considered to be due to the gradual development of AF spin correlations, is associated with the downward shift of flat bands from the Fermi level EF , and becomes less evident in the overdoped region.

These results suggest that the tunneling dip structure will be associated with the development of AF resonance mode in accordance with the SC transition. Keywords: high-T Tc superconductor, electronic energy spectrum, tunneling spectroscopy 1. Introduction One of the striking features for the SC state of Bi2 Sr2 CaCu2 O8+δ (Bi2212) is a strong suppression of spectral weights for the electronic excitations, the socalled “dip structure” in the electronic energy spectrum, in the energy regions just outside the d-wave SC gap edges (E = ±∆0 ).

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New Challenges in Superconductivity: Experimental Advances and Emerging Theories: Proceedings of the NATO Advanced Research Workshop on New Challenges in Superconductivity: Experimental Advances and Emerging Theories Miami, Florida, U.S.A. 11–14 January 2 by A. Lanzara, G.-H. Gweon, S. Y. Zhou (auth.), J. Ashkenazi, Mikhail V. Eremin, Joshua L. Cohn, Ilya Eremin, Dirk Manske, Davor Pavuna, Fulin Zuo (eds.)


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