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- University of the Basque CountryES32 papers
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19 papers · 1 filter
Extremal hypergraphs for matching number and domination number
Erfang Shan, Yanxia Dong, Liying Kang +1
A matching in a hypergraph is a set of pairwise disjoint hyperedges. The matching number of is the size of a maximum matching in $\math…
Shortcut to adiabatic population transfer in quantum three-level systems: effective two-level problems and feasible counter-diabatic driving
Yi-Chao Li, Xi Chen
Shortcut to adiabaticity in various quantum systems has attracted much attention with the wide applications in quantum information processing and quantum control. In this paper, we…
An FPTAS for Counting Proper Four-Colorings on Cubic Graphs
Pinyan Lu, Kuan Yang, Chihao Zhang +1
Graph coloring is arguably the most exhaustively studied problem in the area of approximate counting. It is conjectured that there is a fully polynomial-time (randomized) approxima…
Nonlinear Conductivity of a Holographic Superconductor Under Constant Electric Field
Hua-Bi Zeng, Yu Tian, Zheyong Fan +1
The dynamics of a two-dimensional superconductor under a constant electric field is studied by using the gauge/gravity correspondence. The pair breaking current induced by …
Spatial non-adiabatic passage using geometric phases
Albert Benseny, Anthony Kiely, Yongping Zhang +2
Quantum technologies based on adiabatic techniques can be highly effective, but often at the cost of being very slow. Here we introduce a set of experimentally realistic, non-adiab…
Power Law of Shear Viscosity in Einstein-Maxwell-Dilaton-Axion model
Yi Ling, Zhuoyu Xian, Zhenhua Zhou
We construct charged black hole solutions with hyperscaling violation in the infrared(IR) region in Einstein-Maxwell-Dilaton-Axion theory and investigate the temperature behavior o…