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Published in 2018 at "Journal of Molecular Modeling"
DOI: 10.1007/s00894-018-3775-8
Abstract: The Euler equation for the time-dependent pair density is derived from the principle of minimum Fisher information. The same Euler equation is also derived from the recently introduced time-dependent pair density functional theory. The concept…
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Keywords:
pair density;
time dependent;
pair;
dependent pair ... See more keywords
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Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00062
Abstract: Molecules containing late-row elements exhibit large relativistic effects. To account for both relativistic effects and electron correlation in a computationally inexpensive way, we derived a formulation of multiconfiguration pair-density functional theory with the relativistic exact-two-component…
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Keywords:
theory;
pair density;
functional theory;
two component ... See more keywords
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Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00936
Abstract: Global potential energy surfaces (PESs) for the 1 2A' and 1 2A″ states of the C2N system responsible for the N(4Su) + C2(a 3Πu) → CN(X 2Σ+) + C(3Pg) reaction are mapped using compressed-state multistate pair-density…
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Keywords:
theory;
pair density;
functional theory;
state ... See more keywords
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Published in 2023 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.3c00207
Abstract: Multiconfiguration pair-density functional theory (MC-PDFT) is a post-SCF multireference method that has been successful at computing ground- and excited-state energies. However, MC-PDFT is a single-state method in which the final MC-PDFT energies do not come…
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Keywords:
theory;
pair density;
topology;
pdft ... See more keywords
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Published in 2019 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.8b00988
Abstract: Complete active space self-consistent field (CASSCF) computations can be realized at polynomial cost via the variational optimization of the active-space two-electron reduced-density matrix (2-RDM). Like conventional approaches to CASSCF, variational 2-RDM (v2RDM) driven CASSCF captures…
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Keywords:
pair density;
electron reduced;
two electron;
density ... See more keywords
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Published in 2020 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.9b01178
Abstract: A global hybrid extension of multiconfiguration pair-density functional theory (MCPDFT) is developed. Using a linear decomposition of the electron-electron repulsion term, a fraction λ of the nonlocal exchange interaction, obtained from variational two-electron reduced-density matrix…
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Keywords:
density functional;
theory;
density;
pair density ... See more keywords
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1
Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-17138-z
Abstract: In underdoped cuprates, the interplay of the pseudogap, superconductivity, and charge and spin ordering can give rise to exotic quantum states, including the pair density wave (PDW), in which the superconducting (SC) order parameter is…
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Keywords:
pdw;
magnetic fields;
density wave;
pair density ... See more keywords
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3
Published in 2022 at "npj Quantum Materials"
DOI: 10.1038/s41535-022-00426-w
Abstract: A pair-density-wave (PDW) is a superconducting state with an oscillating order parameter. A microscopic mechanism that can give rise to it has been long sought but has not yet been established by any controlled calculation.…
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Keywords:
density;
hubbard model;
density wave;
pair density ... See more keywords
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Published in 2021 at "Nature"
DOI: 10.1038/s41586-021-03983-5
Abstract: The transition-metal kagome lattice materials host frustrated, correlated, and topological quantum states of matter1-9. Recently, a new family of vanadium-based kagome metals AV3Sb5 (A=K, Rb, and Cs) with topological band structures has been discovered10,11. These…
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Keywords:
density wave;
density;
pair density;
superconductor ... See more keywords
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1
Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-07454-8
Abstract: Conditions for the N-representability of the pair density (PD) are needed for the development of the PD functional theory. We derive sufficient conditions for the N-representability of the PD that is calculated from the Jastrow…
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Keywords:
lowest order;
wave function;
jastrow wave;
pair density ... See more keywords
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Published in 2020 at "Faraday discussions"
DOI: 10.1039/d0fd00037j
Abstract: Multi-configuration pair-density functional theory (MC-PDFT) has previously been applied successfully to carry out ground-state and excited-state calculations. However, because they include no interaction between electronic states, MC-PDFT calculations in which each state's PDFT energy is…
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Keywords:
density functional;
pair density;
state;
pdft ... See more keywords