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We suggest implementation of quantum teleportation protocol of unknown qubit beyond Bell states formalism. Hybrid entangled state composed of coherent components that belong to Alice and dual-rail single photon at Bob disposal is used.…

Quantum Physics · Physics 2019-06-21 Sergey A. Podoshvedov , Jaewan Kim

This paper has been withdrawn by the author due to a crucial sign error in equation 1

Fluid Dynamics · Physics 2010-11-30 Cunlu Zhao , Chun Yang

We investigate the lower bound of the amount of entanglement for faithfully teleporting a quantum state belonging to a subset of the whole Hilbert space. Moreover, when the quantum state belongs to a set composed of two states, a…

Quantum Physics · Physics 2015-06-26 Mei-Yu Wang , Feng-Li Yan

This paper was withdrawn by the author because severe errors were discovered.

Quantum Physics · Physics 2007-10-10 Danko Dimchev Georgiev

This paper has been removed and is superceded by a pair of papers on stochastic maps, or channels, which break entanglement (EBT). quant-ph/0302031 General Entanglement Breaking Channels by Michael Horodecki, Peter W. Shor and Mary Beth…

Quantum Physics · Physics 2007-05-23 Mary Beth Ruskai

As the current revolution in communication is underway, quantum teleportation can increase the level of security in quantum communication applications. In this paper, we present a quantum teleportation procedure that capable to teleport…

Quantum Physics · Physics 2015-09-30 Alaa Sagheer , Hala Hamdoun

Quantum Hall edge states in proximity to a superconductor (SC) usually acquire a non-quantized electron-to-hole conversion probability in transport, due to non-universal SC couplings and disorders. With counter-propagating modes, we show…

Mesoscale and Nanoscale Physics · Physics 2026-01-26 Pok Man Tam , Hao Chen , Biao Lian

We study the quantum controlled and probabilistic teleportation protocol via a four-cluster state (Front. Phys. (2017) 12: 120306). The protocol cannot achieve the goal that if the teleportation fails, it can be repeated without copies of…

Quantum Physics · Physics 2018-08-01 Zhang Meiling , Shi Sha , Liu Yuanhua , Zheng Qingji , Wang Yunjiang

Quantum transduction is essential for the future hybrid quantum networks, connecting devices across different spectral ranges. In this regard, molecular modulation in hollow-core fibers has proven to be exceptional for efficient and tunable…

Quantum Physics · Physics 2025-04-11 Tasio Gonzalez-Raya , Arturo Mena , Miriam Lazo , Luca Leggio , David Novoa , Mikel Sanz

A long standing goal for quantum communication is to transfer a quantum state over arbitrary distances. Free-space quantum communication provides a promising solution towards this challenging goal. Here, through a 97-km free space channel,…

In a recent paper [A. Cabello, Phys. Rev. A 61, 052312 (2000)], a quantum key distribution protocol based on entanglement swapping was proposed. However, in this comment, it is shown that this protocol is insecure if Eve use a special…

Quantum Physics · Physics 2009-11-06 Yong-Sheng Zhang , Chuan-Feng Li , Guang-Can Guo

Entanglement purification protocols, designed to improve the fidelity of Bell states over quantum networks for inter-node communications, have attracted significant attention over the last few decades. These protocols have great potential…

Quantum Physics · Physics 2024-05-07 Yue Shi , Chenxu Liu , Samuel Stein , Meng Wang , Muqing Zheng , Ang Li

Recent experimental results and proposals towards implementation of quantum teleportation are discussed. It is proved that reliable (theoretically, 100% probability of success) teleportation cannot be achieved using the methods applied in…

Quantum Physics · Physics 2009-10-31 L. Vaidman , N. Yoran

Quantum teleportation requires the transmission of entangled pairs to Alice and Bob. Transmission errors modify the entangled state before the teleportation can be performed. We determine the changes in the output state caused by such…

Quantum Physics · Physics 2007-05-23 Holger F. Hofmann , Kenji Tsujino , Shigeki Takeuchi

We report the experimental realization of the ''active'' quantum teleportation (QST) of a one-particle entangled qubit. This demonstration completes the original QST protocol and renders it available for actual implementation in quantum…

Quantum Physics · Physics 2009-11-07 S. Giacomini , F. Sciarrino , E. Lombardi , F. De Martini

Generally speaking, the entanglement entropy (EE) between two subregions of a gapped quantum many-body state is proportional to the area/length of their interface due to the short range quantum correlation. However, the so-called area law…

Strongly Correlated Electrons · Physics 2022-12-20 Dan Ye , Yi Yang , Qi Li , Zi-Xiang Hu

This review presents experimental results on the inter-edge-state transport in the quantum Hall effect, mostly obtained in the regime of high imbalance. The application of a special geometry makes it possible to perform I-V spectroscopy…

Mesoscale and Nanoscale Physics · Physics 2008-03-19 E. V. Deviatov , A. Lorke

Several protocols for controlled teleportation were suggested by Yang, Chu, and Han [PRA 70, 022329 (2004)]. In these protocols, Alice teleports qubits (in an unknown state) to Bob iff a controller allows it. We view this problem in the…

Quantum Physics · Physics 2007-05-23 Dan Kenigsberg , Tal Mor

Recently, Zhao et al., (Int. J. Theor. Phys. 57, 516-522 (2018)) have proposed a scheme for quantum teleportation of an eight-qubit quantum state using a six qubit cluster state. In this comment, it's shown that the quantum resource…

Quantum Physics · Physics 2022-06-10 Mitali Sisodia , Anirban Pathak

We consider a class of interaction terms that describes correlated tunneling of composite fermions between effective Landau levels. Despite being generic and of similar strength to that of the usual density-density couplings, these terms…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Dror Orgad , Oded Agam
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