منابع مشابه
Understanding High Tc Superconductivity ∗.
I briefly review several key issues in understanding the cuprate superconductors from the point of view of doped-Mott-insulator. Then I present an effective low-energy theory and show that the phase diagram of such a model includes an anti-ferromagnetic (AF) phase, a superconducting state, and a pseudogap phase at low doping and low temperature, consistent with the experimental one. The dual to...
متن کاملUnderstanding High Tc Superconductivity ∗.
I briefly review several key issues in understanding the cuprate superconductors from the point of view of doped-Mott-insulator. Then I present an effective low-energy theory and show that the phase diagram of such a model includes an anti-ferromagnetic (AF) phase, a superconducting state, and a pseudogap phase at low doping and low temperature, consistent with the experimental one. The dual to...
متن کاملGazing at Haw Par villa: Cultural Tourism in Singapore
Tourism is an important and growing industry in Singapore. Studies on Singapore cultural tourism have generally focused on three major sites: Chinatown, Little India and the Malay Village. The Haw Par Villa tourist site has not been examined in recent years. The case study of Haw Par Villa offered here demonstrates how changing times in Singapore have affected the popularity of tourist sites in...
متن کاملConsilience of High-Tc Theories
Improvements both in the quality and in the variety of experiments on high-temperature superconductors have yielded new insights into the microscopic origins of pairing. A number of competing theories have already been ruled out. Some of the more promising descriptions – gauge theories, coupled-chains, nesting instabilities, nodal liquids, and stripes – share features in common. A unified pictu...
متن کاملX-RAY DIFFRACTION STUDY OF HIGH Tc SUPERCONDUCTORS AND RELATED PHASES AT HIGH PRESSURES
The compressive behaviors of several high T, and related phases in the Ba-R-Cu-0 system (where R is yttrium and lanthanides) and in the Ba-Hg-Cu-0 system were investigated by using a diamond anvil high pressure cell and energy dispersive x-ray powder diffraction. The pressure dependence of the cell volume of the orthorhombic BazYCu306+, and BaLuzCuOs, and the tetragonal BaNdzCuOs phases were fo...
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ژورنال
عنوان ژورنال: Europhysics News
سال: 1989
ISSN: 0531-7479,1432-1092
DOI: 10.1051/epn/19892002031