Orbital selective directional conductor in the two-orbital Hubbard model

Mukherjee, Anamitra; Patel, Niravkumar D.; Moreo, Adriana; Dagotto, Elbio

doi:10.1103/PhysRevB.93.085144

Title: Orbital selective directional conductor in the two-orbital Hubbard model

Journal Article · Mon Feb 29 00:00:00 EST 2016 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.93.085144· OSTI ID:1261329

Mukherjee, Anamitra ^[1]; Patel, Niravkumar D. ^[2]; Moreo, Adriana ^[3]; Dagotto, Elbio ^[3]

Univ. of Tennessee, Knoxville, TN (United States); National Inst. of Science Education and Research, Jatni (India)
Univ. of Tennessee, Knoxville, TN (United States)
Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Recently, we employed a developed many-body technique that allows for the incorporation of thermal effects, the rich phase diagram of a two-dimensional two-orbital (degenerate d_xz and d_yz) Hubbard model is presented varying temperature and the repulsion U. The main result is the finding at intermediate U of an antiferromagnetic orbital selective state where an effective dimensional reduction renders one direction insulating and the other metallic. Possible realizations of this state are discussed. Additionally, we also study nematicity above the N eel temperature. After a careful finite-size scaling analysis, the nematicity temperature window appears to survive in the bulk limit, although it is very narrow.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC05-00OR22725; DMR-1404375

OSTI ID:: 1261329

Alternate ID(s):: OSTI ID: 1239714

Journal Information:: Physical Review B, Vol. 93, Issue 8; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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Orbital-selective Mott phases of a one-dimensional three-orbital Hubbard model studied using computational techniques Liu, Guangkun; Kaushal, Nitin; Li, Shaozhi arXiv https://doi.org/10.48550/arxiv.1602.06478	text	January 2016
Non-local correlations in the orbital selective Mott phase of a one dimensional multi-orbital Hubbard model Li, Shaozhi.; Kaushal, N.; Wang, Y. arXiv https://doi.org/10.48550/arxiv.1608.05297	text	January 2016
Non Fermi liquid behavior and continuously tunable resistivity exponents in the Anderson-Hubbard model at finite temperature Patel, Niravkumar D.; Mukherjee, Anamitra; Kaushal, Nitin arXiv https://doi.org/10.48550/arxiv.1702.05612	text	January 2017

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