Zobrazeno 1 - 10
of 270
pro vyhledávání: '"Richard T. Scalettar"'
Autor:
Liang Xiang, Jiachen Chen, Zitian Zhu, Zixuan Song, Zehang Bao, Xuhao Zhu, Feitong Jin, Ke Wang, Shibo Xu, Yiren Zou, Hekang Li, Zhen Wang, Chao Song, Alexander Yue, Justine Partridge, Qiujiang Guo, Rubem Mondaini, H. Wang, Richard T. Scalettar
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract The ability to realize high-fidelity quantum communication is one of the many facets required to build generic quantum computing devices. In addition to quantum processing, sensing, and storage, transferring the resulting quantum states dema
Externí odkaz:
https://doaj.org/article/0b933deaeeed4a119b9c6a900a0ecb9b
Publikováno v:
npj Quantum Materials, Vol 8, Iss 1, Pp 1-9 (2023)
Abstract The Holstein model is a paradigmatic description of the electron-phonon interaction, in which electrons couple to local dispersionless phonon modes, independent of momentum. The model has been shown to host a variety of ordered ground states
Externí odkaz:
https://doaj.org/article/b5ff9644461a489d9192139f6fac80ec
Autor:
Xingchuan Zhu, Shiying Dong, Yang Lin, Rubem Mondaini, Huaiming Guo, Shiping Feng, Richard T. Scalettar
Publikováno v:
Physical Review Research, Vol 2, Iss 1, p 013085 (2020)
Hard-core bosons on honeycomb lattice ribbons with zigzag edges are studied using exact numerical simulations. We map out the phase diagrams of ribbons with different widths, which contain superfluid and insulator phases at various fillings. We show
Externí odkaz:
https://doaj.org/article/d1c39e490f59436f9506d946aed51e9a
The Holstein model is a paradigmatic description of the electron-phonon interaction, in which electrons couple to local dispersionless phonon modes, independent of momentum. The model has been shown to host a variety of ordered ground states such as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cd720aec3e62c6441170af00e628693
Publikováno v:
Physical Review B. 104
The kagome Hubbard model (KHM) is a paradigmatic example of a frustrated two-dimensional model. While its strongly correlated regime, described by a Heisenberg model, is of topical interest due to its enigmatic prospective spin-liquid ground state, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1be3b988ed1512d044dbbecc45d6daea
https://doi.org/10.1103/physrevb.104.165127
https://doi.org/10.1103/physrevb.104.165127
The possibility of "orbitally selective Mott transitions" within a multiband Hubbard model, in which one orbital with large on-site electron-electron repulsion $U_1$ is insulating and another orbital, to which it is hybridized, with small $U_{-1}$, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98042c9fce244a6961451a8b5d4fcb29
http://arxiv.org/abs/2109.13482
http://arxiv.org/abs/2109.13482
Publikováno v:
Physical Review B
Physical Review B, American Physical Society, 2021, 103 (23), ⟨10.1103/PhysRevB.103.235104⟩
Physical Review B, American Physical Society, 2021, 103 (23), ⟨10.1103/PhysRevB.103.235104⟩
The Holstein Hamiltonian describes fermions hopping on a lattice and interacting locally with dispersionless phonon degrees of freedom. In the low-density limit, dressed quasiparticles, polarons and bipolarons, propagate with an effective mass. At hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::797426c2c9691676777e9321cd20c941
https://hal.archives-ouvertes.fr/hal-03261766
https://hal.archives-ouvertes.fr/hal-03261766
Publikováno v:
Physical Review B
Physical Review B, American Physical Society, 2021, 103 (6), ⟨10.1103/PhysRevB.103.L060501⟩
Physical Review B, American Physical Society, 2021, 103 (6), ⟨10.1103/PhysRevB.103.L060501⟩
The interplay between electron-electron correlations and disorder has been a central theme of condensed matter physics over the past several decades, with particular interest in the possibility that interactions might cause delocalization of an Ander
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22a19958a2ba722b0e0124ad5f21b5da
https://hal.archives-ouvertes.fr/hal-03261765
https://hal.archives-ouvertes.fr/hal-03261765
We investigate the Hubbard Hamiltonian on ladders where the number of sites per rung alternates between two and three. These geometries are bipartite, with a non-equal number of sites on the two sublattices. Thus they share a key feature of the Hubba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60cf0ab548f8dac4377c6f52a11b84f5
http://arxiv.org/abs/2101.08229
http://arxiv.org/abs/2101.08229
Autor:
Eduardo Ibarra-García-Padilla, Kaden R. A. Hazzard, Shintaro Taie, Yoshiro Takahashi, Hao-Tian Wei, Richard T. Scalettar, Sohail Dasgupta
The SU(2) symmetric Fermi-Hubbard model (FHM) plays an essential role in strongly correlated fermionic many-body systems. In the one particle per site and strongly interacting limit ${U/t \gg 1}$, it is effectively described by the Heisenberg Hamilto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fadf03663df8cf64a69959093a3d73c