Results 101 to 110 of about 208,623 (316)

Spontaneous PT-symmetry breaking in lasing dynamics

Communications Physics, 2021
Early studies of lasing in parity-time(PT)-symmetric systems typically make use of the adiabatic elimination of the medium polarization. Here, the authors present a theoretical investigation of a realistic scenario where a laser is coupled to a passive ...
Deshui Yu, Frank Vollmer
doaj   +1 more source

Interacting nodal-line semimetal: Proximity effect and spontaneous symmetry breaking [PDF]

, 2016
The nodal-line semimetal stands out as a paradigmatic representative of a gapless topological phase of matter that supports linearly dispersing quasiparticles around an isolated closed loop in the bulk and accommodates drumhead shaped surface states. The
B. Roy
semanticscholar   +1 more source

Thermal Phase‐Modulation of Thickness‐Dependent CVD‐Grown 2D In2Se3

Advanced Functional Materials, EarlyView.
A comprehensive study of CVD‐grown 2D In2Se3 reveals a distinct thickness‐dependent phase landscape and a reversible, thermally driven transformation between β″ and β* variants. In situ TEM electron diffraction and Raman spectroscopy reveal structural dynamics, while the structural invariance of the α‐phase in ultrathin regimes highlights its stability—
Dasun P. W. Guruge, Zhenhuan Chen, Joseph F. S. Fernando, Chao Zhang, Liangzhi Kou, Konstantin L. Firestein, Dmitri V. Golberg   +6 more
wiley   +1 more source

symmetry broken supersolid in spin–orbit-coupled Bose–Einstein condensates

New Journal of Physics
Supersolid is an exotic state of matter characterized by both superfluid properties and periodic particle density modulation, due to spontaneous breaking of U (1) gauge symmetry and spatial translation symmetry, respectively. For conventional supersolids,
Ze-Hong Guo, Qizhong Zhu
doaj   +1 more source

Spontaneous symmetry breaking in a quadratically driven nonlinear photonic lattice [PDF]

, 2017
We investigate the occurrence of a phase transition, characterized by the spontaneous breaking of a discrete symmetry, in a driven-dissipative Bose-Hubbard lattice in the presence of two-photon coherent driving.
V. Savona
semanticscholar   +1 more source

A Review on MXene Terminations

Advanced Functional Materials, EarlyView.
Surface terminations play a decisive role in determining the properties of MXenes. Their coordination, composition and stoichiometry can be tuned both during synthesis and through post synthesis methods to tailor MXenes for optimum performance in applications. This review explores the present understanding of surface terminations.
Hari Hara Sudhan Thangavelu, Changjie Huang, Florian Chabanais, Justinas Palisaitis, Per O. Å. Persson   +4 more
wiley   +1 more source

Modified Gravity via Spontaneous Symmetry Breaking

, 2004
We construct effective field theories in which gravity is modified via spontaneous breaking of local Lorentz invariance. This is a gravitational analogue of the Higgs mechanism.
A closely-related example was considered in N. Arkani-Hamed, B. M Gripaios, But see A. Nicolis, But see A.I. Vainshtein, C. Eling, C.D. Hoyle ., C.M. Will, D.G. Boulware, E.G. Adelberger, G. 't Hooft, G. Hinshaw ., G.D. Moore, In axial gauge, J. Bjorken, J.W. Moffat, M. Fierz, M.J. Duff, N. Straumann, S.L. Dubovsky, S.M. Carroll, T. Jacobson, V. Rubakov, V.A. Kostelecky, V.I. Zakharov   +23 more
core   +1 more source

Coupled Ferroelectric–Photoelectrochemical in Water Reduction Over BiFeO3 Thin Film Heterostructure Modulated by Rare‐Earth Doping

Advanced Functional Materials, EarlyView.
Gd‐doped BFO (BGFO) exhibits a ∼2‐order reduction in leakage current owing to its lowest content of oxygen vacancies. This leads to a ∼2.5‐fold increase in remnant polarization. These improvements in BGFO effectively boost charge separation and transportation, resulting in the greatest incident photon‐to‐current efficiency of 12.9 ± 0.73% and a ∼1.5 ...
Ming‐Wei Chu, Narong Chanlek, Cheng‐Sao Chen, Pin‐Yi Chen, Kuei‐Chih Feng, Chi‐Shun Tu, Chang Fu Dee, Wei Sea Chang   +7 more
wiley   +1 more source

Kibble-Zurek dynamics in an array of coupled binary Bose condensates

, 2016
Universal dynamics of spontaneous symmetry breaking is central to understanding the universal behavior of spontaneous defect formation in various system from the early universe, condensed-matter systems to ultracold atomic systems.
Huang, Jiahao, Ke, Yongguan, Lee, Chaohong, Qin, Xizhou, Wu, Shuyuan, Xu, Jun, Zhong, Honghua   +6 more
core   +1 more source

Chemical micromotors self-assemble and self-propel by spontaneous symmetry breaking.

Chemical Communications, 2018
Self-propelling chemical motors have thus far required the fabrication of Janus particles with an asymmetric catalyst distribution. Here, we demonstrate that simple, isotropic colloids can spontaneously assemble to yield dimer motors that self-propel. In
Tingting Yu, Prabha Chuphal, S. Thakur, S. Y. Reigh, Dhruv P Singh, P. Fischer   +5 more
semanticscholar   +1 more source