Article
Physics, Particles & Fields
Yermek Aldabergenov, Ignatios Antoniadis, Auttakit Chatrabhuti, Hiroshi Isono
Summary: This study investigates the real fifth-order superfield constraint for N = 2 vector (and tensor) multiplet and derives the most general solution describing complete supersymmetry breaking, while preserving certain low-energy degrees of freedom. An example of a UV model giving rise to the quintic constraint is provided, along with a discussion on the connection between this constraint and its solution to other known superfield constraints in N = 2 and N = 1 cases.
EUROPEAN PHYSICAL JOURNAL C
(2022)
Article
Optics
Andres Macho-Ortiz, Daniel Perez-Lopez, Jose Capmany
Summary: The text discusses the importance of unitary operations in classical and quantum information processing, as well as the pioneering concept of programmable linear optical processor using reconfigurable optical hardware. It raises concerns about the current 2x2 optical processors' BB architecture and presents theoretical tools and methods to address the issue, ensuring true universal unitary functionality.
LASER & PHOTONICS REVIEWS
(2021)
Article
Astronomy & Astrophysics
Konstantin Eder, Hanno Sahlmann
Summary: This paper studies the classical and quantum theory of N = 1 supergravity in four spacetime dimensions using the framework of loop quantum gravity. The canonical analysis of the supergravity Holst action is discussed, leading to a compact expression of the supersymmetry constraint. The theory is quantized using loop quantum gravity methods, proposing a quantization of the supersymmetry constraint and deriving explicit expressions of the resulting operator, as well as discussing qualitative properties of such solutions of the SUSY constraint.
Article
Quantum Science & Technology
Brahim Amghar, Mohammed Daoud
Summary: In this study, we investigated the geometrical features arising from the second Hopf fibration for a two-qubit system without using quaternionic language. Furthermore, we explored the metric tensor and the SO(4) non-abelian gauge field defined on the S-4-base in relation to the entanglement quantified by the Wootters concurrence on the associated Hopf bundle. Finally, by transforming an entangled two-qubit state in the Schmidt form, we examined the different quantum phases obtained by this state under U(2) x U(2) local unitary operations with respect to the entanglement and geometry of the corresponding state manifold.
QUANTUM INFORMATION PROCESSING
(2021)
Article
Chemistry, Organic
Guo-Li Chai, En-Ze Yao, Rui-Hao Liu, Junbiao Chang
Summary: In this study, a new catalytic system was reported for the synthesis of N,N'-bicyclic pyrazolidine derivatives with high stereoselectivity. The reaction conditions are mild and efficient, with a broad substrate scope.
Article
Materials Science, Multidisciplinary
Ji-Yao Chen, Jheng-Wei Li, Pierre Nataf, Sylvain Capponi, Matthieu Mambrini, Keisuke Totsuka, Hong-Hao Tu, Andreas Weichselbaum, Jan von Delft, Didier Poilblanc
Summary: In the physics of the fractional quantum Hall effect, a method is proposed to search for topological SU(N)1 chiral spin liquids in spin systems, with unambiguous signatures of the SU(N)1 character of the chiral liquids obtained through various numerical methods. (Note: the summary is based on the provided translation and might not cover all details from the original text.)
Article
Quantum Science & Technology
Ion Nechita, Clement Pellegrini, Denis Rochette
Summary: The achievable region of the universal 1 -> 2 asymmetric quantum cloning problem is determined, showing that it is a union of ellipses in the plane. This study has implications for eavesdropping on quantum cryptography and a wide variety of tasks. The region of quantum-state compatibility of two possibly different isotropic states is characterized, considering negative figures of merit for the first time.
QUANTUM INFORMATION PROCESSING
(2021)
Article
Physics, Particles & Fields
Francesco Galvagno, Michelangelo Preti
Summary: The study involves a family of N = 2 superconformal field theories in four dimensions, computed using both matrix model approach and N = 1 superspace formalism to calculate chiral/anti-chiral correlation functions at a perturbative level. Results include a large number of findings for finite values of N and special observables that deviate from N = 4 only at high orders in perturbation theory, obtained by exploiting the symmetries of the quiver and interplay with field theory calculations.
JOURNAL OF HIGH ENERGY PHYSICS
(2021)
Article
Astronomy & Astrophysics
Anindya Banerjee, Matthew Buican
Summary: We study the conditions under which 4D N = 2 superconformal field theories have chiral operators with respect to an N = 1 subalgebra. Our main focus is on the often-ignored B representations, which evade direct detection using popular nonperturbative tools. However, we demonstrate the ubiquity of B multiplets and their association with interesting phenomena.
Article
Physics, Multidisciplinary
R. Fioresi, M. A. Lledo, J. Razzaq
Summary: We present the superalgebra of N=2 chiral (and antichiral) quantum superfields, which is realized as a subalgebra of the quantum supergroup SLq(4|2). The multiplication law in the quantum supergroup induces a coaction on the set of chiral superfields. We also demonstrate the quantum deformation of the chiral Minkowski superspace as a quantum principal bundle.
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
(2022)
Article
Chemistry, Organic
Tai-Ping Zhou, Fangrui Zhong, Yuzhou Wu, Rong-Zhen Liao
Summary: In this study, the reaction mechanism, regioselectivity, and stereoselectivity of the photochemical intramolecular [2 + 2] cycloaddition reaction catalyzed by a chiral thioxanthone molecule were investigated using quantum chemical calculations. The first C-C bond formation was identified as the rate-limiting and selectivity-controlling step, with the stereoselectivity being interaction-controlled. Moreover, the effects of catalyst substituents on the stereoselectivity of the photocycloadditions were explored, providing valuable mechanistic information for related photoinduced reactions.
ORGANIC & BIOMOLECULAR CHEMISTRY
(2021)
Article
Chemistry, Organic
Xinyu Liu, Zhixin Liu, Yongyi Hu, Kuo-Wei Huang, Manjaly J. Ajitha, De Wang
Summary: A novel alpha,beta-regioselective [3+2] cycloaddition reaction of arylallene with C,N-cyclic azomethine imine is reported. The axial-to-central chirality transfer phenomenon has been disclosed with chiral allenes in the reaction. The wide substrate scope, including different functional groups and natural products, reveals the generality of the methodology. Both experiments and density functional theory calculations have been used to elucidate a plausible mechanism.
Article
Mathematics, Applied
Hsin-Yuan Huang, Hsien-Chung Kao
Summary: This paper investigates a system of elliptic equations in R-2 N=2 SUSY extension and shows the existence of radial solutions for its topological, mixed type, and non-topological solutions.
Article
Chemistry, Organic
Ladislav Loska, Vojtech Docekal, Ivana Cisarova, Jan Vesely
Summary: The study presents an asymmetric NHC-catalyzed formal [4 + 2] cycloaddition of heterocyclic alkenes with an azolium-dienolate intermediate. The reaction is achieved without external oxidation of the Breslow intermediate. Good yields (typically about 90%) and stereochemical outcomes (in most cases, dr > 20/1, and ee = 70-99%) were obtained for heterocyclic cyclohexenones. The synthetic utility of the protocol was demonstrated by the scope of heterocyclic alkenes.
Article
Biochemistry & Molecular Biology
Laura Henrich, Peter C. Mueller, Jan Hempelmann, Markus Mann, Jan van Leusen, Simon Steinberg, Richard Dronskowski
Summary: Fe[C5H5N](2)[N(CN)(2)](2) was synthesized from a reaction of NaN(CN)(2) and FeCl(2) in a methanol/pyridine solution. Crystallographic analysis revealed that the compound crystallizes in the monoclinic space group I2/m (no. 12). The presence of dicyanamide and pyridine was confirmed by spectroscopic and elemental analysis. The compound exhibits high-spin Fe-II state and antiferromagnetic exchange interactions at lower temperatures.
Article
Physics, Multidisciplinary
G. Mustafa, S. K. Maurya, Saibal Ray, Faisal Javed
Summary: In this study, we investigate the geometry of wormholes in the framework of general relativity and explore how quantum wave dark matter affects the dynamical configuration of the shell surrounding the wormhole. By using specific shape functions and introducing quantum wave dark matter, we obtain reasonable wormhole solutions and observe its effects on the stability of the shell.
Article
Physics, Multidisciplinary
Pritha Dolai, Christian Maes
Summary: Calorimetry for equilibrium systems aims to determine the energy levels' occupation and distribution by measuring thermal response, while nonequilibrium versions provide additional information on the dynamical accessibility of these states. Using calculations on a driven exclusion process, it is confirmed that a fermionic nonequilibrium steady state with exact computation of specific heat can be achieved. The divergence at zero temperature occurs when the Fermi energy and the kinetic barrier for loading and emptying are approximately equal. Additionally, a stable low temperature regime of negative specific heat appears when the kinetic barrier is density-dependent, indicating an anti-correlation between the stationary occupation's temperature-dependence and excess heat.
Article
Physics, Multidisciplinary
F. F. Nascimento, V. B. Bezerra, J. M. Toledo
Summary: We obtained the metric of the Hayward black hole surrounded by a cloud of strings, and analyzed the effects of the string cloud on the regularity of the solution and the energy conditions. Various aspects such as horizons, geodesics, effective potential, and thermodynamics were investigated. We compared the obtained results with the literature corresponding to the Hayward black hole without a string cloud.
