2025-02-23T08:50:14-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-165899%22&qt=morelikethis&rows=5
2025-02-23T08:50:14-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-165899%22&qt=morelikethis&rows=5
2025-02-23T08:50:14-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T08:50:14-05:00 DEBUG: Deserialized SOLR response
New second branch of the spectrum of the BCS Hamiltonian and a “pseudogap”

New second branch of the spectrum of the BCS Hamiltonian and a “pseudogap”

The BCS Hamiltonian of superconductivity has the second branch of eigenvalues and eigenvectors. It consists of wave functions of pairs of electrons in ground and excited states. The continuous spectrum of excited pairs is separated by a nonzero gap from the point of the discrete spectrum that corres...

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Bibliographic Details
Main Author: Petrina, D.Ya.
Format: Article
Language:English
Published: Інститут математики НАН України 2005
Series:Український математичний журнал
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Online Access:http://dspace.nbuv.gov.ua/handle/123456789/165899
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2025-02-23T08:50:14-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-165899%22&qt=morelikethis
2025-02-23T08:50:14-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&rows=40&rows=5&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-165899%22&qt=morelikethis
2025-02-23T08:50:14-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T08:50:14-05:00 DEBUG: Deserialized SOLR response

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