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Topological pseudospin switcher: Mechanism and acoustic realization
The control of the pseudospin of sound wave has attracted increasing attention in recent years. Utilizing the finite-size effect of topological...
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Realization of a full hierarchical topology in hexagonal bilayer acoustic crystals
Recently, there has been significant research interest in higher-order topological states within artificial lattices, primarily due to their...
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Experimental observation of spontaneous symmetry breaking in a quantum phase transition
Spontaneous symmetry breaking (SSB) plays a central role in understanding a large variety of phenomena associated with phase transitions, such as...
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Elastic three-dimensional phononic topological insulators with Dirac hierarchy
Three-dimensional (3D) phononic topological insulators (TIs) featuring two-dimensional (2D) surface states and one-dimensional (1D) hinge states have...
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Robust boundary-induced bulk propagations in elastic waveguides with nonplanar surfaces
Trivial elastic waveguides induced by line defects and nontrivial elastic waveguides protected by topological edge states have been extensively...
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Extension of Noether’s theorem in \({\cal P}{\cal T}\)-symmetry systems and its experimental demonstration in an optical setup
Noether’s theorem is one of the fundamental laws in physics, relating the symmetry of a physical system to its constant of motion and conservation...
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Unidirectional transport in amorphous topological photonic crystals
Many works on topological insulators have focused on periodic lattice systems; where short- and long-range order is considered. Here we construct a...
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Construction of Touchard polynomial’s Photon Added Squeezing Vacuum State and its Nonclassical Properties
Touchard polynomial’s photon added squeezing vacuum state (TPASVS) is constructed by operation of Touchard polynomial’s photon added operator on the...
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Boson star superradiance
Recently, it has been realized that in some systems internal space rotation can induce energy amplification for scattered waves, similar to rotation...
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Quantized bound states around a vortex in anisotropic superconductors
The bound states around a vortex in anisotropic superconductors is a longstanding yet important issue. In this work, we develop a variational theory...
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Phase-controlled asymmetric optomechanical entanglement against optical backscattering
Quantum entanglement plays a key role in both understanding the fundamental aspects of quantum physics and realizing various quantum devices for...
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Interplay between the atomic structures and superconductivity of two-monolayer Pb films
Superconductors with reduced dimensionality have been widely explored for their exotic superconducting behaviors. Especially, at the two-dimensional...
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Improvement of Quantum Dialogue Based on Entanglement Swap** and Hadamard Operation Via Cavity QED
Recently, Pan put forward a quantum dialogue (QD) scheme based on entanglement swap** and Hadamard operation via cavity QED (Int J Theor Phys,...
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Periodic oscillation of quantum diffusion in coupled one-dimensional systems
We analytically show that quantum diffusion in the coupled system composed of two identical chains exhibits a well-defined periodic oscillation in...
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Controlling Entropic Uncertainty and Quantum Correlation of a Bath of Spins
We investigate the dynamical behaviors of quantum-memory-assisted entropic uncertainty relation (QMA-EUR) and quantum correlation (both quantum...
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Binary encoding-inspired generation of vector vortex beams
Vortex and vector terahertz (THz) beams with inhomogeneous polarization states have become a considerable hot topic in the last decade due to their...
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Recent progress on Majorana in semiconductor-superconductor heterostructures—engineering and detection
Majorana zero modes (MZMs) are exotic excitations (in condensed matter systems) of fundamental scientific interest and hold great promise as the...
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Unidirectional acoustic metamaterials based on nonadiabatic holonomic quantum transformations
Nonadiabatic holonomic quantum transformations (NHQTs) have attracted wide attention and have been applied in many aspects of quantum computation,...
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Two-dimensional superconductors with intrinsic p-wave pairing or nontrivial band topology
Over the past fifteen years, tremendous efforts have been devoted to realizing topological superconductivity in realistic materials and systems,...
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Observation of antichiral edge states in a circuit lattice
We construct an electrical circuit to realize a modified Haldane lattice exhibiting the phenomenon of antichiral edge states. The circuit consists of...