Results 41 to 50 of about 22,579,506 (332)

QUANTUM ESPRESSO: a modular and open-source software project for quantum simulations of materials [PDF]

open access: yesJournal of Physics: Condensed Matter, 2009
QUANTUM ESPRESSO is an integrated suite of computer codes for electronic-structure calculations and materials modeling, based on density-functional theory, plane waves, and pseudopotentials (norm-conserving, ultrasoft, and projector-augmented wave).
P. Giannozzi   +32 more
semanticscholar   +1 more source

ON THE PARTITION APPROACH TO SCHUR-WEYL DUALITY AND FREE QUANTUM GROUPS [PDF]

open access: yesTransformation groups, 2014
We give a general definition of classical and quantum groups whose representation theory is “determined by partitions” and study their structure. This encompasses many examples of classical groups for which Schur-Weyl duality is described with diagram ...
Amaury Freslon
semanticscholar   +1 more source

Current algebras and categorified quantum groups [PDF]

open access: yesJournal of the London Mathematical Society, 2014
We identify the trace, or zeroth Hochschild homology, of categorified quantum groups of ADE type with the corresponding current algebra of the same type.
A. Beliakova   +3 more
semanticscholar   +1 more source

Quantum SU(2) and the Baum-Connes conjecture [PDF]

open access: yes, 2012
We review the formulation and proof of the Baum-Connes conjecture for the dual of the quantum group $ SU_q(2) $ of Woronowicz. As an illustration of this result we determine the $ K $-groups of quantum automorphism groups of simple matrix ...
Voigt, Christian
core   +1 more source

Introduction to the Yang-Baxter Equation with Open Problems

open access: yesAxioms, 2012
The Yang-Baxter equation first appeared in theoretical physics, in a paper by the Nobel laureate C. N. Yang, and in statistical mechanics, in R. J. Baxter’s work.
Florin Nichita
doaj   +1 more source

A characterization of quantum groups [PDF]

open access: yesJournal für die reine und angewandte Mathematik (Crelles Journal), 2004
We classify pointed Hopf algebras with finite Gelfand-Kirillov dimension, which are domains, whose groups of group-like elements are finitely generated and abelian, and whose infinitesimal braidings are positive.
Andruskiewitsch, Nicolás   +1 more
openaire   +3 more sources

Measurement-based quantum computing with a spin ensemble coupled to a stripline cavity [PDF]

open access: yes, 2012
Recently, a new form of quantum memory was proposed. The storage medium is an ensemble of electron spins, coupled to a stripline cavity and an ancillary readout system.
Benjamin, Simon C.   +9 more
core   +1 more source

Quantum cluster algebra structures on quantum Grassmannians and their quantum Schubert cells : the finite-type cases [PDF]

open access: yes, 2010
We exhibit quantum cluster algebra structures on quantum Grassmannians and their quantum Schubert cells, as well as on , and . These cases are precisely those where the quantum cluster algebra is of finite type, and the structures we describe quantize ...
Launois, Stéphane   +3 more
core   +1 more source

Photon-Added Deformed Peremolov Coherent States and Quantum Entanglement

open access: yesAxioms
In the present article, we build the excitedcoherent states associated with deformed su(1,1) algebra (DSUA), called photon-added deformed Perelomov coherent states (PA-DPCSs).
Kamal Berrada
doaj   +1 more source

Nonlocal games and quantum permutation groups [PDF]

open access: yesJournal of Functional Analysis, 2017
We present a strong connection between quantum information and quantum permutation groups. Specifically, we define a notion of quantum isomorphisms of graphs based on quantum automorphisms from the theory of quantum groups, and then show that this is ...
Martino Lupini   +2 more
semanticscholar   +1 more source

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