The Hubbard dimer: exact dynamic exchange-correlation kernel, single and double excitations of a strongly correlated problem

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Título:	The Hubbard dimer: exact dynamic exchange-correlation kernel, single and double excitations of a strongly correlated problem
Autor:	Ferrer, Jaime CSIC ORCID; Carrascal, Diego CSIC ORCID; Maitra, Neepa; Burke, Kieron
Fecha de publicación:	2017
Citación:	APS March Meeting (2017)
Resumen:	The Hubbard dimer is an exactly solvable model of a strongly correlated problem. We develop here its exact frequency-dependent exchange-correlation kernel. Armed with this, we analyse the behaviour of the single and double excitations of the model as they evolve from the weak correlation regime deep into the strongly-correlated Mott-Hubbard regime.
Descripción:	Resumen del trabajo presentado al March Meeting of the American Physical Society, celebrado en New Orleans, Louisiana (USA) del 13 al 17 de marzo de 2017.
URI:	http://hdl.handle.net/10261/173802
Aparece en las colecciones:	(CINN) Comunicaciones congresos