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9 papers · 2 filters
Semiconductor-cavity QED in high-Q regimes: Detuning effect
Yu-xi Liu, N. Imoto, S. K. Ozdemir +2
The non-resonant interaction between the high-density excitons in a quantum well and a single mode cavity field is investigated. An analytical expression for the physical spectrum…
Quasi-spin wave quantum memories with dynamic symmetry
C. P. Sun, Y. Li, X. F. Liu
For the two-mode exciton system formed by the quasi-spin wave collective excitation of many atoms fixed at the lattice sites of a crystal, we discover a dynamic symmetry depict…
Cooperative three- and four- player quantum games
Ying Jun Ma, Gui Lu Long, Fu Guo Deng +2
A cooperative multi-player quantum game played by 3 and 4 players has been studied. Quantum superposed operator is introduced in this work which solves the non-zero sum difficulty…
Experimental realization of a fetching algorithm in a 7 qubit NMR quantum computer
Gui Lu Long, Li Xiao
Searching for marked items from an unsorted database is an important scientific problem and a benchmark for computing devices as well. Using a 7-qubit liquid NMR quantum computer,…
An quantum approach of measurement based on the Zurek's triple model
P. Zhang, X. F. Liu, C. P. Sun
In a close form without referring the time-dependent Hamiltonian to the total system, a consistent approach for quantum measurement is proposed based on Zurek's triple model of qua…
Understanding destruction of nth-order quantum coherence in terms of multi-path interference
D. L. Zhou, P. Zhang, C. P. Sun
The classic example of the destruction of interference fringes in a ``which-way'' experiment, caused by an environmental interaction, may be viewed as the destruction of first-orde…