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11 papers · 2 filters
Spatiotemporally-localized-stationary typical wave function satisfying Klein-Gordon equation with emergent mass
Agung Budiyono
Starting from relativistic mass-less Madelung fluid, we shall develop a class of typical wave functions by imposing it to maximize Shannon entropy given its finite average quantum…
Persistent single-photon production by tunable on-chip micromaser with a superconducting quantum circuit
J. Q. You, Yu-xi Liu, C. P. Sun +1
We propose a tunable on-chip micromaser using a superconducting quantum circuit (SQC). By taking advantage of externally controllable state transitions, a state population inversio…
Quantum Heat Engines Using Superconducting Quantum Circuits
H. T. Quan, Y. D. Wang, Yu-xi Liu +2
We propose a quantum analog of the internal combustion engine used in most cars. Specifically, we study how to implement the Otto-type quantum heat engine (QHE) with the assistance…
Generation and control of Greenberger-Horne-Zeilinger entanglement in superconducting circuits
L. F. Wei, Yu-xi Liu, Franco Nori
Going beyond the entanglement of microscopic objects (such as photons, spins, and ions), here we propose an efficient approach to produce and control the quantum entanglement of th…
Nonlinear response and observable signatures of equilibrium entanglement
A. M. Zagoskin, A. Yu. Smirnov, S. K. Gupta +1
We investigate how equilibrium entanglement is manifested in the nonlinear response of an -qubit system. We show that in the thermodynamic limit the irreducible part of the t…
Correlated Photons from Collective Excitations of Three-Level Atomic Ensemble
Yong Li, Li Zheng, Yu-xi Liu +1
We systematically study the interaction between two quantized optical fields and a cyclic atomic ensemble driven by a classic optical field. This so-called atomic cyclic ensemble c…