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14 papers · 1 filter
Quantifying imaginarity in terms of pure-state imaginarity
Shuanping Du, Zhaofang Bai
Complex numbers are widely used in quantum physics and are indispensable components for describing quantum systems and their dynamical behavior. The resource theory of imaginarity…
Network mechanism for generating genuinely correlative Gaussian states
Zhaofang Bai, Shuanping Du
Generating a long-distance quantum state with genuine quantum correlation (GQC) is one of the most essential functions of quantum networks to support quantum communication. Here, w…
A pseudoclassical theory for the wavepacket dynamics of the kicked rotor model
Zhixing Zou, Jiao Wang
In this study, we propose a generalized pseudoclassical theory for the kicked rotor model in an attempt to discern the footprints of the classical dynamics in the deep quantum regi…
Pseudoclassical dynamics of the kicked top
Zhixing Zou, Jiao Wang
The kicked rotor and the kicked top are two paradigms of quantum chaos. The notions of quantum resonance and the pseudoclassical limit, developed in the study of the kicked rotor,…
How gravitational fluctuations degrade the high-dimensional spatial entanglement
Haorong Wu, Xilong Fan, Lixiang Chen
Twisted photons carrying orbital angular momentum (OAM) are competent candidates for future interstellar communications. However, the gravitational fluctuations are ubiquitous in s…
Strictly incoherent operations for one-qubit systems
Shuanping Du, Zhaofang Bai
Strictly incoherent operations (SIO) proposed in [Phys. Rev. Lett. 116, 120404 (2016)] are promising to be a good candidate of free operations in the resource theory of quantum coh…