Multifractality and Fock-space localization in many-body localized states: one-particle density matrix perspective

Autor:	Ken-Ichiro Imura, Takahiro Orito
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	Physics Density matrix Degree (graph theory) Dimension (graph theory) Spectrum (functional analysis) FOS: Physical sciences 02 engineering and technology Disordered Systems and Neural Networks (cond-mat.dis-nn) Condensed Matter - Disordered Systems and Neural Networks 021001 nanoscience & nanotechnology 01 natural sciences Fock space Matrix (mathematics) Distribution (mathematics) 0103 physical sciences 010306 general physics 0210 nano-technology Eigenstate thermalization hypothesis Mathematical physics
Popis:	Many-body localization (MBL) is well characterized in Fock space. To quantify the degree of this Fock space localization, the multifractal dimension $D_q$ is employed; it has been claimed that $D_q$ shows a jump from the delocalized value $D_q=1$ in the ETH phase (ETH: eigenstate thermalization hypothesis) to a smaller value $0 Comment: 19 pages, 8 figures, Phys. Rev. B in press
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fc24e7ca23293bcb4318d055aec4b38 http://arxiv.org/abs/2104.09156 Zobrazit plný text záznamu