Results 101 to 110 of about 168,020 (318)

Discerning "indistinguishable" quantum systems [PDF]

open access: yes, 2012
In a series of recent papers, Simon Saunders, Fred Muller and Michael Seevinck have collectively argued, against the folklore, that some non-trivial version of Leibniz's principle of the identity of indiscernibles is upheld in quantum mechanics.
Caulton, Adam
core   +1 more source

A note on quantum subgroups of free quantum groups

open access: yesComptes Rendus. Mathématique
In this short note, quantum subgroups in finite free products of the Pontryagin duals of free unitary quantum groups are classified. They correspond to pairs of a subgroup $\Gamma $ and a subset $S$ of the free group $\mathbb{F}_n$ such that $S$ is ...
Hoshino, Mao, Kitamura, Kan
doaj   +1 more source

Quantum D = 3 Euclidean and Poincaré symmetries from contraction limits

open access: yesJournal of High Energy Physics, 2020
Following the recently obtained complete classification of quantum-deformed o $$ \mathfrak{o} $$ (4), o $$ \mathfrak{o} $$ (1, 3) and o $$ \mathfrak{o} $$ (2) algebras, characterized by classical r-matrices, we study their inhomogeneous D = 3 quantum IW ...
Jerzy Kowalski-Glikman   +2 more
doaj   +1 more source

Unitary quantum groups vs quantum reflection groups

open access: yes, 2019
Withdrawn by the author - the main findings in this paper are now part of arXiv:1909 ...
openaire   +3 more sources

Spin Injection Of Exciton–Polaritons With Halide Perovskites At Room Temperature

open access: yesAdvanced Functional Materials, EarlyView.
A monolithic Tamm‐plasmon microcavity embedding a two‐dimensional halide perovskite enables room‐temperature spin injection of exciton‐polaritons under quasi‐resonant optical excitation. Polarization‐resolved spectroscopy reveals partial preservation of the injected spin in the lower polariton branch, while bare excitons remain fully depolarized.
Elena Sendarrubias Arias‐Camisón   +8 more
wiley   +1 more source

Cohomology and Support Theory for Quantum Groups [PDF]

open access: yes, 2016
Quantum groups are a fertile area for explicit computations of cohomology and support varieties because of the availability of geometric methods involving complex algebraic geometry.
Nakano, Daniel
core  

Strong coupling 1/Nc expansion in the gluonic sector of lattice quantum chromodynamics [PDF]

open access: yes, 1980
Engels J, Montvay I. Strong coupling 1/Nc expansion in the gluonic sector of lattice quantum chromodynamics. Zeitschrift für Physik, C: Particles and Fields.
Engels, Jürgen, Montvay, I.
core   +2 more sources

Quantum groups as global symmetries

open access: yesJournal of High Energy Physics
We study quantum field theories which have quantum groups as global internal symmetries. We show that in such theories operators are generically non-local, and should be thought as living at the ends of topological lines.
Barak Gabai   +4 more
doaj   +1 more source

On the geometry of the quantum poincaré group [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 1997
We review the construction of the multiparametric inhomogeneous orthogonal quantum group ISO_qr(N) as a projection from SO_qr(N+2), and recall the conjugation that for N=4 leads to the quantum Poincare group. We study the properties of the universal enveloping algebra U_qr(iso(N)), and give an R-matrix formulation.
openaire   +6 more sources

Irradiation‐Induced Spin Bath Evolution and as‐Grown Hydrogen Defects in CVD Diamond Revealed by NV‐Based DEER Spectroscopy

open access: yesAdvanced Functional Materials, EarlyView.
Here, we provide the reader with the current state of the art in the fabrication of high‐T2‐coherence diamond, optimized through the use of double electron–electron resonance (DEER) spectroscopy. We reveal the main as well as yet unidentified spin defects, the reduction of which is essential for reducing the spin bath and fabricating materials for ...
Olga Rubinas   +6 more
wiley   +1 more source

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