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Observation of time-reversal symmetry breaking in the band structure of altermagnetic RuO2 [PDF]
Science Advances, 2023 Altermagnets are an emerging elementary class of collinear magnets. Unlike ferromagnets, their distinct crystal symmetries inhibit magnetization while, unlike antiferromagnets, they promote strong spin polarization in the band structure.
O. Fedchenko +23 more
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Mathematics, 2022 The nonlinear phenomena in numbers are modelled in a wide range of fields such as chemical physics, ocean physics, optical fibres, plasma physics, fluid dynamics, solid-state physics, biological physics and marine engineering.
Oke Davies Adeyemo +2 more
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Symmetries and symmetry breaking [PDF]
Nuclear Physics A, 2001 In understanding the world of matter, the introduction of symmetry principles following experimentation or using the predictive power of symmetry principles to guide experimentation is most profound. The conservation of energy, linear momentum, angular momentum, charge, and CPT involve fundamental symmetries.
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AIMS Mathematics, 2022 In physics as well as mathematics, nonlinear partial differential equations are known as veritable tools in describing many diverse physical systems, ranging from gravitation, mechanics, fluid dynamics to plasma physics.
Chaudry Masood Khalique +2 more
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Entanglement asymmetry as a probe of symmetry breaking [PDF]
Nature Communications, 2022 A measure of symmetry breaking in a quantum many-body system could provide insight into its dynamics. Ares et al. introduce a subsystem measure of symmetry breaking dubbed entanglement asymmetry and apply it to quantum quench dynamics in spin chains ...
F. Ares, Sara Murciano, P. Calabrese
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Continuous symmetry breaking in a two-dimensional Rydberg array [PDF]
Nature, 2022 A two-dimensional dipolar XY model with a continuous spin-rotational symmetry is realized using a programmable Rydberg quantum simulator, complementing recent studies using the Rydberg-blockade mechanism to realize Ising-type interactions showing ...
Cheng Chen +15 more
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First integrals, solutions and conservation laws of the derivative nonlinear Schrödinger equation
Partial Differential Equations in Applied Mathematics, 2022 We study the derivative nonlinear Schrödinger equation which has several applications, such as the propagation of circular polarized nonlinear Alfvén waves in plasmas.
Chaudry Masood Khalique +2 more
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Real Spectra in Non-Hermitian Hamiltonians Having PT Symmetry [PDF]
, 1997 The condition of self-adjointness ensures that the eigenvalues of a Hamiltonian are real and bounded below. Replacing this condition by the weaker condition of $\mathrm{PT}$ symmetry, one obtains new infinite classes of complex Hamiltonians whose spectra
C. Bender, S. Boettcher
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Noninvertible Chiral Symmetry and Exponential Hierarchies [PDF]
Physical Review X, 2022 We elucidate the fate of classical symmetries which suffer from abelian Adler-Bell-Jackiw anomalies. Instead of being completely destroyed, these symmetries survive as non-invertible topological global symmetry defects with worldvolume anyon degrees of ...
Clay Córdova, K. Ohmori
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Holographic symmetry algebras for gauge theory and gravity [PDF]
Journal of High Energy Physics, 2021 All 4D gauge and gravitational theories in asymptotically flat spacetimes contain an infinite number of non-trivial symmetries. They can be succinctly characterized by generalized 2D currents acting on the celestial sphere.
A. Guevara +3 more
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