Article
Astronomy & Astrophysics
R. L. P. G. Amaral, V. E. R. Lemes, O. S. Ventura, L. C. Q. Vilar
Summary: After the phase transition of a grand unified theory, the couplings of the basic interactions split from the single coupling. In the symmetric phase, the couplings associated with SU(2) and U(1) symmetries were already distinct before the electroweak breaking, as determined by the measurement of the Weinberg mixing angle. Each independent coupling should be associated with independent cocycles defined on a cohomological basis from the perspective of BRST symmetry.
Article
Physics, Multidisciplinary
Deshui Yu, Frank Vollmer
Summary: This study introduces a new model that takes into account the internal dynamics of active particles, and numerically investigates the PT symmetry of macroscopic- and microscopic-sized laser systems operating in the strong-coupling regime. Distinct phase diagrams are drawn based on the features of intracavity photon numbers and emission spectra. This work extends PT-symmetric optics from weak to strong coupling limits, potentially leading to nonclassical PT-symmetric light sources for integrated photonic networks and ultrasensitive sensors.
COMMUNICATIONS PHYSICS
(2021)
Article
Chemistry, Inorganic & Nuclear
Jean Joseph, Pierre Mobian, Alain Chaumont, Jennifer A. Wytko, Jean Weiss
Summary: Biphenol-based ligands can bind titanium(IV) centers and generate sophisticated self-assembled structures. The structure of the ligands affects the nuclearity and stability of the formed complexes.
INORGANIC CHEMISTRY
(2022)
Article
Physics, Multidisciplinary
G. Endrodi, T. G. Kovacs, G. Marko
Summary: This study investigates spontaneously broken quantum field theories with a continuous global symmetry group using the constraint effective potential approach. It finds that the path integral is dominated by inhomogeneous field configurations related to the flatness of the effective potential in the broken phase. The study introduces the concept of differential surface tension to characterize inhomogeneities and explores possible implications for the chiral limit of QCD.
PHYSICAL REVIEW LETTERS
(2021)
Article
Materials Science, Multidisciplinary
Michael Winer, Brian Swingle
Summary: The spectral statistics of quantum chaotic systems are influenced by global symmetries and symmetry breaking, showing clear signatures in the energy eigenvalues.
Article
Chemistry, Multidisciplinary
Mojca Vilfan, Borut Lampret, Ziga Gregorin, Luka Cmok, Andrej Vilfan, Juergen Klepp, Joachim Kohlbrecher, Patricija Hribar Bostjancic, Darja Lisjak, Alenka Mertelj
Summary: The authors report on the experimental observation of spontaneous stripe formation in a ferromagnetic ferrofluid in the presence of an oscillating external magnetic field. The striped structure is identified as elongated magnetic domains, which exhibit reorientation upon reversal of the magnetic field. The stripes are oriented perpendicular to the magnetic field and are separated by alternating flow lanes.
Article
Materials Science, Multidisciplinary
Hetian Chen, Di Yi, Ben Xu, Jing Ma, Cewen Nan
Summary: By using first-principles simulations, the properties of an edge dislocation core in SrTiO3 were explored, revealing spontaneous symmetry breaking and proposing a model to quantitatively estimate the atomic configuration of SrTiO3 under complex strain conditions.
MATERIALS TODAY PHYSICS
(2021)
Article
Astronomy & Astrophysics
C. A. Escobar, Roman Linares
Summary: This work explores the spontaneous symmetry breaking in certain nonlinear theories with second-class constraints. The constraints and degrees of freedom are analyzed using Dirac's method, and the corresponding effective Hamiltonian is explicitly constructed. It is shown that at critical values of the effective Hamiltonian, the symplectic structure becomes degenerate. Under the condition of spontaneous symmetry breaking, the second-class constraints behave as first-class ones on certain regions of the phase space, leading to undefined Dirac's brackets and a modification of the number of degrees of freedom.
Article
Chemistry, Multidisciplinary
Wenying Shi, Kaixiang Liang, Ruixing Wang, Jing Liu, Chao Lu
Summary: Through the formation of 2D intercalated layered double hydroxide (LDH) in vortex motion, planar achiral guest molecules can form chiral units with spatially asymmetrical structures. Once the LDH is removed, these chiral units are in a thermodynamic non-equilibrium state and can be amplified to homochiral supramolecular assembly (HSA) through self-replication. The homochiral bias can be predicted in advance by controlling the vortex direction. This study breaks the bottleneck of complicated molecular design and provides a new technology to achieve HSA made of planar achiral molecules with definite handedness.
Article
Chemistry, Physical
Chengxi Li, Kang Huang, Chen Xiao, Yonghong Shi, Pengfei Duan
Summary: In this study, a vortex-assisted chiral supramolecular polymerization process is proposed to generate chiral polymers from achiral monomers. The mechanism of symmetry-breaking is systematically investigated, showing that highly ordered assemblies can be formed as the initial chiral nuclei through increasing supersaturation. The study concludes that chiral assemblies in the nucleation stage possess low energy barrier and can be fractured and replicated by the vortex, leading to the evolvement into final chiral polymers.
Article
Multidisciplinary Sciences
Manabendra Kuiri, Christopher Coleman, Zhenxiang Gao, Aswin Vishnuradhan, Kenji Watanabe, Takashi Taniguchi, Jihang Zhu, Allan H. MacDonald, Joshua Folk
Summary: This study discovered a strong anomalous Hall effect in twisted double bilayer graphene, suggesting the breaking of time reversal symmetry due to orbital ferromagnetism. Gate voltages applied to the device can tune both the flatness and topology of the electronic bands, providing an unusual level of experimental control.
NATURE COMMUNICATIONS
(2022)
Article
Materials Science, Multidisciplinary
Riccardo Ciola, Kitinan Pongsangangan, Ronny Thomale, Lars Fritz
Summary: Research on kagome metals reveals the possibility of chiral symmetry breaking, with a dimerization pattern identified as the leading instability causing excitation gap opening at the Dirac point and breaking chiral symmetry. Through a lattice model analysis, the critical coupling strength and ordering pattern were determined, shedding light on the unique characteristics of kagome metals.
Article
Chemistry, Multidisciplinary
Tianwei Duan, Jing Ai, Xiaoyan Cui, Xiaowei Feng, Yingying Duan, Lu Han, Jingang Jiang, Shunai Che
Summary: This study reports the phenomenon of spontaneous chiral symmetry breaking in the self-assembly of cadmium chalcogenide nanorods, resulting in chiral biases away from racemates. The presence of stable helical dislocation structures suggests the possibility of helical structures emerging in an achiral environment, leading to hierarchical chiral films induced by simple solvent evaporation self-assembly of HCCNs. The spontaneous enantiomeric excess between batches is speculated to originate from enantiomeric excess seed assembly inducing a one-handedness dominated system based on the majority rules.
Article
Astronomy & Astrophysics
A. Jakovac, P. Mati, P. Posfay
Summary: This article proposes an approach to describe spontaneous symmetry breaking without relying on the order parameter dependent free energy. Instead, a Ward ratio is used to represent the symmetry breaking, and a unified scale evolution of the effective potential is applicable in both phases.
Article
Chemistry, Multidisciplinary
Dharmendra Pant, Sandip Aryal, Subhasish Mandal, Ranjit Pati
Summary: Researchers have revealed ferromagnetism in twisted bilayer graphene nanoflex using first-principles approach, finding that the ferromagnetic phase appears irregularly between 0 and 30 degrees, rather than only at specific “magic angles”. The origin of electronic instability is attributed to aperiodic modulation of interlayer interaction in the nanoflex, resulting in the breaking of several higher-symmetry phases to lower the energy.
Article
Chemistry, Analytical
Olivier Husson, Benoit Husson, Alexandre Brunet, Daniel Babre, Karine Alary, Jean-Pierre Sarthou, Hubert Charpentier, Michel Durand, Jaroslav Benada, Marc Henry
ANALYTICA CHIMICA ACTA
(2016)
Review
Chemistry, Physical
Marc Henry
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
(2016)
Article
Chemistry, Inorganic & Nuclear
Chengrui Miao, Georges Khalil, Alain Chaumont, Pierre Mobian, Marc Henry
DALTON TRANSACTIONS
(2016)
Article
Chemistry, Inorganic & Nuclear
Georges Khalil, Christophe Orvain, Lu Fang, Laurent Barloy, Alain Chaumont, Christian Gaiddon, Marc Henry, Nathalie Kyritsakas, Pierre Mobian
DALTON TRANSACTIONS
(2016)
Article
Chemistry, Inorganic & Nuclear
Clement Chaumont, Alain Chaumont, Nathalie Kyritsakas, Pierre Mobian, Marc Henry
DALTON TRANSACTIONS
(2016)
Article
Integrative & Complementary Medicine
Michel Van Wassenhoven, Martine Goyens, Marc Henry, Etienne Capieaux, Philippe Devos
Article
Chemistry, Multidisciplinary
Mohamed Haouas, Manal Diab, Mhamad Aly Moussawi, Emmanuel Cadot, Sebastien Floquet, Marc Henry, Francis Taulelle
NEW JOURNAL OF CHEMISTRY
(2017)
Article
Chemistry, Multidisciplinary
Remi Nguyen, Nicolas Jouault, Stefano Zanirati, Michel Rawiso, Lionel Allouche, Eric Buhler, Nicolas Giuseppone
CHEMISTRY-A EUROPEAN JOURNAL
(2018)
Article
Chemistry, Inorganic & Nuclear
Georges Khalil, Laurent Barloy, Nathalie Kyritsakas, Pierre Mobian, Marc Henry
DALTON TRANSACTIONS
(2018)
Article
Chemistry, Inorganic & Nuclear
Emilie Macker, Laurent Barloy, Alain Chaumont, Nathalie Kyritsakas, Bruno Vincent, Marc Henry, Pierre Mobian
INORGANICA CHIMICA ACTA
(2019)
Article
Chemistry, Multidisciplinary
Philippe Chaignon, Benoit Eric Petit, Bruno Vincent, Lionel Allouche, Myriam Seemann
CHEMISTRY-A EUROPEAN JOURNAL
(2020)
Article
Chemistry, Multidisciplinary
Abdelaziz Jouaiti, Philippe Grosshans, Nathalie Kyritsakas, Sylvie Ferlay, Marc Henry, Mir Wais Hosseini
Article
Chemistry, Multidisciplinary
Bianca Patrahau, Clement Chaumont, Laurent Barloy, Petra Hellwig, Marc Henry, Frederic Melin, Matthias Pauly, Pierre Mobian
NEW JOURNAL OF CHEMISTRY
(2019)
Article
Chemistry, Inorganic & Nuclear
L. Barloy, B. Heinrich, L. Douce, M. Henry, M. Scarpi-Luttenauer, N. Kyritsakas, P. Mobian
DALTON TRANSACTIONS
(2019)
Article
Chemistry, Inorganic & Nuclear
Nathalie Baradel, Pierre Mobian, Georges Khalil, Marc Henry
DALTON TRANSACTIONS
(2017)