Quantum Electrodynamical Density-matrix Functional Theory and Group-theoretical Consideration of its Solution

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dc.creatorOhsaku, Tadafumi
dc.creatorYamanaka, Shusuke
dc.creatorYamaki, Daisuke
dc.creatorYamaguchi, Kizashi
dc.date2001-12-26
dc.date.accessioned2026-07-07T05:46:55Z
dc.date.available2026-07-07T05:46:55Z
dc.descriptionFor studying the group theoretical classification of the solutions of the density functional theory in relativistic framework, we propose quantum electrodynamical density-matrix functional theory (QED-DMFT). QED-DMFT gives the energy as a functional of a local one-body $4\times4$ matrix $Q(x)\equiv -<ψ(x)\barψ(x)>$, where $ψ$ and $\barψ$ are 4-component Dirac field and its Dirac conjugate, respectively. We examine some characters of QED-DMFT. After these preparations, by using Q(x), we classify the solutions of QED-DMFT under O(3) rotation, time reversal and spatial inversion. The behavior of Q(x) under nonrelativistic and ultrarelativistic limits are also presented. Finally, we give plans for several extensions and applications of QED-DMFT.
dc.description20 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/physics/0112088
dc.identifierhttp://arxiv.org/abs/physics/0112088
dc.identifierInt.J.Quant.Chem. 90 (2002) 273
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/84516
dc.subjectChemical Physics
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.subjectNuclear Theory
dc.subjectAtomic Physics
dc.titleQuantum Electrodynamical Density-matrix Functional Theory and Group-theoretical Consideration of its Solution
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