Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5128
Title: Coherence factors in excitonic insulators
Authors: Amritkar, R.E.
Kumar, N.
Issue Date: 1978
Publisher: Elsevier B.V.
Citation: Solid State Communications, 1978, Vol. 26, p627-631
Abstract: Results of a theoretical study on ultrasonic attenuation and NMR relaxation in excitonic insulators are reported. The transition rates derived have anomalous temperature dependence owing to the occurrence of coherence factors analogous to the case of superconductors. It is found that these coherence factors are characteristically different for the interband and the intraband scattering processes. It is suggested that experimental observation of these temperature-dependent coherence factors may help identify the existence of an excitonic phase.
Description: Restricted Access
URI: http://hdl.handle.net/2289/5128
ISSN: 0038-1098
Alternative Location: http://dx.doi.org/10.1016/0038-1098(78)90094-7
http://adsabs.harvard.edu/abs/1978SSCom..26..627A
Copyright: 1978 Elsevier B.V.
Appears in Collections:Research Papers (TP)

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