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17 papers · 2 filters
Highly photon loss tolerant quantum computing using hybrid qubits
S. Omkar, Y. S. Teo, Seung-Woo Lee +1
We investigate a scheme for topological quantum computing using optical hybrid qubits and make an extensive comparison with previous all-optical schemes. We show that the photon lo…
Indicators of wavefunction (de)localization in the avoided crossing in a quadrupole cavity
Kyu-Won Park, Juman Kim, Jisung Seo +2
We study the relation between wavefunction (de)localization and the avoided crossing in a quadrupole billiard. We employ the inverse participation ratio, the Renyi entropy and the…
The Min-entropy as a Resource for One-Shot Private State Transfer, Quantum Masking and State Transition
Seok Hyung Lie, Seongjeon Choi, Hyunseok Jeong
We give an operational meaning to the min-entropy of a quantum state as a resource measure for various interconnected tasks. In particular, we show that the min-entropy without smo…
Randomness for quantum channels:Genericity of catalysis and quantum advantage of uniformness
Seok Hyung Lie, Hyunseok Jeong
Randomness can help one to implement quantum maps that cannot be realized in a deterministic fashion. Recently, it was discovered that explicitly treating a randomness source as a…
Probing thermal fluctuations through scalar test particles
G. H. S. Camargo, V. A. De Lorenci, A. L. Ferreira Junior +1
The fundamental vacuum state of quantum fields, related to Minkowski space, produces divergent fluctuations that must be suppressed in order to bring reality to the description of…
Criteria for partial entanglement of three qubit states arising from distributive rules
Kyung Hoon Han, Seung-Hyeok Kye
It is known that the partial entanglement/separability violates distributive rules with respect to the operations of taking convex hull and intersection. In this note, we give crit…