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7 papers · 2 filters
A significantly stable mode of the ultracold atomic wave packet in amplitude modulated parabolic optical lattices
Tomotake Yamakoshi, Farhan Saif, Shinichi Watanabe
We show that a conspicuous wave packet of ultracold noninteracting Bosonic atoms emerges in a 1-dimensional parabolic optical lattice as in the setup of the Aarhus experiment [P. L…
Extended Wiener-Khinchin theorem for quantum spectral analysis
Rui-Bo Jin, Ryosuke Shimizu
The classical Wiener-Khinchin theorem (WKT), which can extract spectral information by classical interferometers through Fourier transform, is a fundamental theorem used in many di…
Uncertainty relations in implementation of unitary operations
Hiroyasu Tajima, Naoto Shiraishi, Keiji Saito
The underlying mechanism in the implementation of unitary operation on a system with an external apparatus is studied. We implement the unitary time evolution in the system as a ph…
Monotonic quantum-to-classical transition enabled by positively-correlated biphotons
Rui-Bo Jin, Guo-Qun Chen, Hui Jing +4
Multiparticle interference is a fundamental phenomenon in the study of quantum mechanics.It was discovered in a recent experiment [Ra, Y.-S. et al, Proc. Natl Acad. Sci. USA \textb…
Conditional quantum one-time pad
Kunal Sharma, Eyuri Wakakuwa, Mark M. Wilde
Suppose that Alice and Bob are located in distant laboratories, which are connected by an ideal quantum channel. Suppose further that they share many copies of a quantum state $ρ_{…
Asymptotic Convertibility of Entanglement: A General Approach to Entanglement Concentration and Dilution
Yong Jiao, Eyuri Wakakuwa, Tomohiro Ogawa
We consider asymptotic convertibility of an arbitrary sequence of bipartite pure states into another by local operations and classical communication (LOCC). We adopt an information…