Name: Charge Dynamics in 122 Iron-Based Superconductors (en Inglés)
Price: 2255.57 MXN
Availability: InStock
Author: Charnukha, Aliaksei
ISBN: 9783319011912

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portada Charge Dynamics in 122 Iron-Based Superconductors (en Inglés)

Formato

Libro Físico

Autor

Aliaksei Charnukha

Editorial

Springer

Idioma

Inglés

N° páginas

130

Encuadernación

Tapa Dura

Dimensiones

23.4 x 15.7 x 1.3 cm

Peso

0.34 kg.

ISBN13

9783319011912

Categorías

Nanociencias
Análisis espectral | espectroquímica
Dispositivos y materiales electrónicos

Charge Dynamics in 122 Iron-Based Superconductors (en Inglés)

Aliaksei Charnukha (Autor) · Springer · Tapa Dura

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Origen: Estados Unidos (Costos de importación incluídos en el precio)

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Reseña del libro "Charge Dynamics in 122 Iron-Based Superconductors (en Inglés)"

This thesis combines highly accurate optical spectroscopy data on the recently discovered iron-based high-temperature superconductors with an incisive theoretical analysis. Three outstanding results are reported: (1) The superconductivity-induced modification of the far-infrared conductivity of an iron arsenide with minimal chemical disorder is quantitatively described by means of a strong-coupling theory for spin fluctuation mediated Cooper pairing. The formalism developed in this thesis also describes prior spectroscopic data on more disordered compounds. (2) The same materials exhibit a sharp superconductivity-induced anomaly for photon energies around 2.5 eV, two orders of magnitude larger than the superconducting energy gap. The author provides a qualitative interpretation of this unprecedented observation, which is based on the multiband nature of the superconducting state. (3) The thesis also develops a comprehensive description of a superconducting, yet optically transparent iron chalcogenide compound. The author shows that this highly unusual behavior can be explained as a result of the nanoscopic coexistence of insulating and superconducting phases, and he uses a combination of two complementary experimental methods - scanning near-field optical microscopy and low-energy muon spin rotation - to directly image the phase coexistence and quantitatively determine the phase composition. These data have important implications for the interpretation of data from other experimental probes.