Results 91 to 100 of about 6,172 (209)

Hardy-Type Space Associated with an Infinite-Dimensional Unitary Matrix Group

open access: yesAbstract and Applied Analysis, 2013
We investigate an orthogonal system of the homogenous Hilbert-Schmidt polynomials with respect to a probability measure which is invariant under the right action of an infinite-dimensional unitary matrix group.
Oleh Lopushansky
doaj   +1 more source

Bosonic near-CFT1 models from Fock-space fluxes

open access: yesJournal of High Energy Physics
We construct a family of near-CFT1 models with a conserved U(1) charge, whose basic degrees of freedom are canonical bosons. The Sachdev-Ye-Kitaev (SYK) model — the first microscopic model that realizes the near-CFT1 dynamics — is based on random p-local
Yiyang Jia
doaj   +1 more source

A hyperdeterminant on fermionic Fock space

open access: yesAnnales de l’Institut Henri Poincaré D, Combinatorics, Physics and their Interactions
Twenty years ago, Cayley's hyperdeterminant, the degree four invariant of the polynomial ring \mathbb{C}[\mathbb{C}^2\otimes\mathbb{C}^2\otimes \mathbb{C}^2]^{{\operatorname{SL}_2(\mathbb{C})}^{\times 3}} , was popularized in modern physics as it separates genuine entanglement classes in
Frédéric Holweck, Luke Oeding
openaire   +2 more sources

Achieving Multiswitchable Phases to Govern Enhanced Photocatalysis in Staggered In2Se3/SnSe Heterostructure

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 5, September 2026.
Multiswitching between type‐II and Z‐scheme phases within a pristine In2Se3/SnSe heterostructure enable controllable carrier dynamics and enhanced photocatalytic performance. Two‐dimensional staggered heterostructures, featuring by the intrinsically facilitate charge separation, provide promising platforms for efficient photocatalytic water splitting ...
Keying Han   +7 more
wiley   +1 more source

Quantum de Sitter Geometry

open access: yesUniverse
Quantum de Sitter geometry is discussed using elementary field operator algebras in Krein space quantization from an observer-independent point of view, i.e., ambient space formalism.
Mohammad Vahid Takook
doaj   +1 more source

Numerical Ranges of Normal Weighted Composition Operators on the Fock Space of CN

open access: yesJournal of Function Spaces, 2018
Numerical ranges of normal weighted composition operators on the Fock space of CN are completely characterized. The main result shows that numerical ranges of such operators are closely related to their composition symbols.
Lili Lang, Liankuo Zhao
doaj   +1 more source

Lie algebras in Fock space

open access: yes, 2000
A catalogue of explicit realizations of representations of (super) Lie algebras and quantum algebras in Fock space is presented.
openaire   +2 more sources

Non‐Bivariational Time‐Dependent Orbital‐Quasi‐Optimized Coupled‐Cluster Methods Family for Fermion‐Mixtures Dynamics

open access: yesJournal of Computational Chemistry, Volume 47, Issue 22, August 15, 2026.
ABSTRACT Recently, [JCP 161, 114114 (2024)] successfully derived numerically stable and converging (to the time‐dependent complete active space self‐consistent‐field) time‐dependent orthogonal coupled cluster (CC) methods, namely, time‐dependent orbital optimized CC (TD‐ooCC) methods for fermion‐mixtures with arbitrary fermion kinds and numbers, via ...
Haifeng Lang, Takeshi Sato
wiley   +1 more source

Exchange gate on the qudit space and Fock space

open access: yesJournal of Optics B: Quantum and Semiclassical Optics, 2003
We construct the exchange gate with small elementary gates on the space of qudits, which consist of three controlled shift gates and three "reverse" gates. This is a natural extension of the qubit case. We also consider a similar subject on the Fock space, but in this case we meet with some different situation.
openaire   +2 more sources

A Hands‐On Guide to Open‐Shell Calculations in Organic Chemistry: Radical Chemistry, Single Electron Transfer, and Energy Transfer

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 29, 7 August 2026.
Molecules with unpaired electrons, also known as open‐shell systems, are key intermediates in several light‐mediated or metal‐catalyzed transformations in organic chemistry. However, modeling this chemistry by density functional theory calculations is challenging.
Nil Sanosa   +2 more
wiley   +1 more source

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