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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…
Deniz Türkpençe, Azmi Gençten
Classical simulation of a quantum system is a hard problem. It’s known that these problems can be solved efficiently by using quantum computers. This study demonstrates the simulation of the molecular Hamiltonian of 2p-π electrons of ethylene in order to calc…
Mohamed S. El Naschie
Dark energy is shown to be the absolute value of the negative kinetic energy of the halo-like quantum wave modeled mathematically by the empty set in a five dimensional Kaluza-Klein (K-K) spacetime. Ordinary or position energy of the particle on the other han…
Clement Ampadu, Meltem Gönülol, Ekrem Aydıner
We investigate the time dependence of the survival probability of quantum walks governed by Fibonacci walks with phase parameters on the trapped two-dimensional lattice. We have shown that the survival probability of the quantum walk decays with time obey to…
Ram Mehar Singh
For gaining further insight into the nature of the eigenspectra of a complex octic potential [say ], we investigate the quasi exact solutions of the Schr?dinger equation in an extended complex phase space characterized by . The analyticity property of the eig…
Mohamed S. El Naschie
A new quantum gravity formula accurately predicting the actually measured cosmic energy content of the universe is presented. Thus by fusing Hardy’s quantum entanglement and Einstein’s energy formula we have de facto unified relativity and quantum mechanics i…
Guoyou Wang, Zilong Fan, Haosheng Zeng
Dynamics of measurement-induced-nonlocality (MIN) and geometric measure of discord (GD) in the spin-boson model is studied. Analytical results show that for two large classes of initial states, MINs are equal but GDs are different. At the end of evolution, MI…
Ning Tang, Guoyou Wang, Zilong Fan, Haosheng Zeng
By use of the measure, the backflow of information presented recently, we study the non-Markovianity of the dynamics for a two-level system interacting with a zero-temperature structured environment via amplitude-phase coupling. In the limit of weak coupling…
Zhengchuan Wang
Following Scully et al. ’s study on the mechanism of complementarity, we further investigate the role of detector in which-way experiment. We will show that the initial quantum pure state of particle will reduce to a mixture state because of the inevitable in…
Masakazu Yoshida, Takayuki Miyadera, Hideki Imai
Computational based cryptography might not guarantee long term security if computational algorithms, computers, and so on are made remarkable progress. Therefore, quantum cryptography with unconditionally security attracts attention. In this paper, we conside…
Martin Tchoffo, Georges Collince Fouokeng, Lukong Cornelius Fai, Mathurin Esouague Ateuafack
The decoherence of a central electron spin of an atom coupled to an anti-ferromagnetic spin bath in the presence of a time varying B-Field (VBF) is investigated applying the Holstein - Primak o ff and Bloch transformations approaches. The Boltzmann entropy an…
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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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