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The field of Quantum Information Science is the most challenging and hot topic among all branches of science. This field is also quite interdisciplinary in character, and people from quantum theory, computer science, mathematics, information theory, condensed matter physics, many-body physics and many more have been a…
Masakazu Yoshida, Hideki Imai
Mean King’s problem is formulated as a retrodiction problem among noncommutative observables. In this paper, we reformulate Mean King’s problem using Shannon’s entropy as a first step of introducing quantum uncertainty relation with delayed classical informat…
Xunru Yin, Wenping Ma, Dongsu Shen, Chaoyang Hao
In order to get rid of the drawback of information leakage which existed in Chong et al. ’ s protocol (Opt. Commun., 284, 2011, 515-518), an efficient three-party quantum secure direct communication (3P-QSDC) based on some ideas of quantum dense coding with E…
Shivani A. Kumar, H. Prakash, N. Chandra, Ranjana Prakash
A scheme of teleporting a superposition of coherent states | α > and |- α > using a 4-partite state, a beam splitter and two phase shifters was proposed by N. Ba An ( Phys. Rev. A , 68, 022321, 2003). The author concluded that the probability for successful t…
Taiki Takahashi, Hiroshi Nishinaka, Takaki Makino, Ruokang Han, Hiroki Fukui
In mathematical physics and psychology, “quantum decision theory” has been proposed to explain anomalies in human decision-making. One of such quantum models has been proposed to explain time inconsistency in human decision over time. In this study, we conduc…
Hironari Yamada
We all physicist have long been believed that an elementary particle is a wave as well as a particle, but we discuss in this paper that an electron (probably all fermions) is always a particle. Author claim that quantum mechanics (QM) is not such mysterious a…
Maohuai Xiang, Jiliang Jing
We investigate the teleportation between two relatively accelerating partners undergoing the phase flip, bit flip and bit-phase flip channels. We find that: 1 ) the fidelity decreases by increasing the acceleration of accelerated observer; 2 ) the dynamic evo…
Amit Bhar, Indrani Chattopadhyay, Debasis Sarkar
The entanglement of a pure bipartite state is uniquely measured by the von-Neumann entropy of its reduced density matrices. Though it cannot specify all the non-local characteristics of pure entangled states. It was proven that for every possible value of ent…
Raoul Charreton
We have proposed a prequantum physics, itself founded on classical mechanics completed by the existence of an universal cloud of tiny particles noted U. These U particle command the mass, variable, of electron, neutron, proton, and atom particles noted M. The…
Yinzhu Wang, Danxia Wang
In this paper, an entanglement criterion for states in infinite dimensional bipartite quantum systems is presented. We generalize some of separability criterion that was recently introduced by Wu and Anandan in (Phys. Lett. A, 2002, 297, 4-8) to infinite dime…
Michail Zak
This paper discusses quantum-inspired models of Livings from the viewpoint of information processing. The model of Livings consists of motor dynamics simulating actual behavior of the object, and mental dynamics representing evolution of the corresponding kno…
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The field of Quantum Information Science is the most challenging and hot topic among all branches of science. This field is also quite interdisciplinary in character, and people from quantum theory, computer science, mathematics, information theory, condensed matter physics, many-body physics and many more have been a… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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