A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Probing High-Temperature Superconductivity with Positive Muons
Abstract A short review on some recent muon-spin rotation (μSR) investigations on cuprate superconductors is presented. The possibilities and limitations of the μSR technique for studying the microscopic magnetic properties of these materials are briefly discussed. In the superconducting state, the local magnetic flux distribution p(B) can be measured in the bulk of the sample, yielding valuable information on the complex vortex structure in these layered materials. In the mixed state the magnetic penetration depth can be deduced from the measured p(B). Recent measurements of the angular-dependent p(B) in single-crystal YBa2Cu3O7-δ and Bi2Sr2CaCu2O8+δ and of the magnetic penetration depth in various cuprates are reported. A ‘universal’ parabolic relationship between the transition temperature T c and the zero-temperature μSR relaxation rate (condensate density) is discussed, implying common trends in the pressure dependence of T c and in the isotope effect for a particular class of doped cuprates. These empirical relations have important consequences for the microscopic theory.
Probing High-Temperature Superconductivity with Positive Muons
Abstract A short review on some recent muon-spin rotation (μSR) investigations on cuprate superconductors is presented. The possibilities and limitations of the μSR technique for studying the microscopic magnetic properties of these materials are briefly discussed. In the superconducting state, the local magnetic flux distribution p(B) can be measured in the bulk of the sample, yielding valuable information on the complex vortex structure in these layered materials. In the mixed state the magnetic penetration depth can be deduced from the measured p(B). Recent measurements of the angular-dependent p(B) in single-crystal YBa2Cu3O7-δ and Bi2Sr2CaCu2O8+δ and of the magnetic penetration depth in various cuprates are reported. A ‘universal’ parabolic relationship between the transition temperature T c and the zero-temperature μSR relaxation rate (condensate density) is discussed, implying common trends in the pressure dependence of T c and in the isotope effect for a particular class of doped cuprates. These empirical relations have important consequences for the microscopic theory.
Probing High-Temperature Superconductivity with Positive Muons
Keller, H. (author)
1994-01-01
24 pages
Article/Chapter (Book)
Electronic Resource
English
Moderator gratings for the generation of epithermal positive muons
| British Library Online Contents | 2001
Explaining exotic high-temperature superconductivity
| British Library Online Contents | 2013
| British Library Online Contents | 2009
Muons for bioscience at ISIS:Characterization
| British Library Online Contents | 2009
Room-temperature superconductivity
British Library Online Contents | 2004