Stripe-like Inhomogeneities, Coherence, and the Physics of the High Tc Cuprates
| dc.creator | Ashkenazi, J. | |
| dc.date | 2004-07-07 | |
| dc.date | 2004-07-27 | |
| dc.date.accessioned | 2026-07-07T02:59:05Z | |
| dc.date.available | 2026-07-07T02:59:05Z | |
| dc.description | The carriers in the high-Tc cuprates are found to be polaron-like "stripons" carrying charge and located in stripe-like inhomogeneities, "quasi-electrons" carrying charge and spin, and "svivons" carrying spin and some lattice distortion. The anomalous spectroscopic and transport properties of the cuprates are understood. The stripe-like inhomogeneities result from the Bose condensation of the svivon field, and the speed of their dynamics is determined by the width of the double-svivon neutron-resonance peak. The connection of this peak to the peak-dip-hump gap structure observed below Tc emerges naturally. Pairing results from transitions between pair states of stripons and quasi-electrons through the exchange of svivons. The pairing symmetry is of the d_{x^2-y^2} type; however, sign reversal through the charged stripes results in features not characteristic of this symmetry. The phase diagram is determined by pairing and coherence lines within the regime of a Mott transition. Coherence without pairing results in a Fermi-liquid state, and incoherent pairing results in the pseudogap state where localized electron and electron pair states exist within the Hubbard gap. A metal-insulator-transition quantum critical point occurs between these two states at T=0 when the superconducting state is suppressed. An intrinsic heterogeneity is expected of superconducting and pseudogap nanoscale regions. | |
| dc.description | 26 pages, 6 figures; revised version including new references; to be published in the Proceedings of the NATO-ARW University Miami Workshop on Unconventional Superconductivity (Kluwer) | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0407175 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0407175 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/24371 | |
| dc.subject | Superconductivity | |
| dc.title | Stripe-like Inhomogeneities, Coherence, and the Physics of the High Tc Cuprates | |
| dc.type | text |