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Sökning: L773:2542 4653 > Formation of CuO2 s...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003370naa a2200349 4500
001oai:lup.lub.lu.se:7d630c89-b064-45c9-9c47-0967b1658b12
003SwePub
008230816s2023 | |||||||||||000 ||eng|
0247 a https://lup.lub.lu.se/record/7d630c89-b064-45c9-9c47-0967b1658b122 URI
0247 a https://doi.org/10.21468/SciPostPhys.14.1.0102 DOI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
1001 a Bramberger, Maxu Ludwig-Maximilian University of Munich4 aut
2451 0a Formation of CuO2 sublattices by suppression of interlattice correlations in tetragonal CuO
264 1c 2023
520 a We investigate the tetragonal phase of the binary transition metal oxide CuO (t-CuO) within the context of cellular dynamical mean-field theory. Due to its strong antiferromagnetic correlations and simple structure, analysing the physics of t-CuO is of high interest as it may pave the way towards a more complete understanding of high-temperature superconductivity in hole-doped antiferromagnets. In this work we give a formal justification for the weak-coupling assumption that has previously been made for the interconnected sublattices within a single layer of t-CuO by studying the non-local self-energies of the system. We compute momentum-resolved spectral functions using a Matrix Product State (MPS)-based impurity solver directly on the real axis, which does not require any numerically ill-conditioned analytic continuation. The agreement with photoemission spectroscopy indicates that a single-band Hubbard model is sufficient to capture the material’s low energy physics. We perform calculations on a range of different temperatures, finding two magnetic regimes, for which we identify the driving mechanism behind their respective insulating state. Finally, we show that in the hole-doped regime the sublattice structure of t-CuO has interesting consequences on the symmetry of the superconducting state.
650 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
7001 a Bacq-Labreuil, Benjaminu The French National Centre for Scientific Research (CNRS)4 aut
7001 a Grundner, Martinu Ludwig-Maximilian University of Munich4 aut
7001 a Biermann, Silkeu Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,The French National Centre for Scientific Research (CNRS),College de France4 aut0 (Swepub:lu)si7031bi
7001 a Schollwöck, Ulrichu Ludwig-Maximilian University of Munich4 aut
7001 a Paeckel, Sebastianu Ludwig-Maximilian University of Munich4 aut
7001 a Lenz, Benjaminu Paris-Sorbonne University4 aut
7102 a Ludwig-Maximilian University of Munichb The French National Centre for Scientific Research (CNRS)4 org
7730 t SciPost Physicsg 14:1q 14:1x 2542-4653
8564 u http://dx.doi.org/10.21468/SciPostPhys.14.1.010x freey FULLTEXT
8564 8u https://lup.lub.lu.se/record/7d630c89-b064-45c9-9c47-0967b1658b12
8564 8u https://doi.org/10.21468/SciPostPhys.14.1.010

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