Results 221 to 230 of about 2,043 (254)

Simultaneous learning of static and dynamic charges.

Phys Chem Chem Phys
Stärk P, Stooß H, Langer MF, Rumiantsev E, Schlaich A, Ceriotti M, Loche P.   +6 more
europepmc   +1 more source

Introduction to Quantum Deletion Error-Correcting Codes

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
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Perfect Quantum Error Correcting Code

Physical Review Letters, 1996
We present a quantum error correction code which protects a qubit of information against general one qubit errors. To accomplish this, we encode the original state by distributing quantum information over five qubits, the minimal number required for this task. We describe a circuit which takes the initial state with four extra qubits in the state $|0〉$
Cesar Miquel, Raymond Laflamme, Juan Pablo Paz   +2 more
exaly   +3 more sources

Classic and Quantum Error Correcting Codes

2008
Algebraic methods play an important role in coding theory. For instance, there are many connections between codes and groups. In this paper we will present two results that show different applications of algebraic methods in coding theory. One of them refers to the classical context and another one to the quantum error correcting theory.
Santos González, Consuelo Martínez, Alejandro Piñera-Nicolás   +2 more
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Quantum Error Correcting Codes

2020
In this chapter we introduce the concept of quantum error-correcting codes and show several examples chronologically. This chapter is fundamental for the development of this work, since the main aim of this book is to present several types of different constructions of quantum block and convolutional codes, as well as constructions of asymmetric ...
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Quantum Error-Correcting Codes

2019
Any quantum system inevitably interacts with the environment which causes decoherence. While the environment is generally inaccessible, can we protect our system against noise to maintain its quantum coherence? One technique developed in quantum information science, called the quantum error-correcting codes, does the job.
Bei Zeng, Xie Chen, Duan-Lu Zhou, Xiao-Gang Wen   +3 more
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Effect of quantum fluctuation in error-correcting codes

Physical Review E, 2012
We discuss the decoding performance of error-correcting codes based on a model in which quantum fluctuations are introduced by means of a transverse field. The essential issue in this paper is whether quantum fluctuations improve the decoding quality compared with the conventional estimation based on thermal fluctuations, which is called finite ...
Yosuke, Otsubo, Jun-ichi, Inoue, Kenji, Nagata, Masato, Okada   +3 more
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Quantum Error-Correcting Codes

2001
So far we have been dealing with a highly idealized situation in which physical states have been assumed to be stable and independent of time and in which unitary transformations on these states can be effected in a reliable fashion. The real situation is considerably more complicated and requires a model for the dynamics of a quantum system.
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Comment on “Quantum convolutional error-correcting codes”

Physical Review A, 2005
In this Comment we present a counterexample to theorems 2 and 3 from Chau [Phys. Rev. A 58, 905 (1998)] regarding quantum convolutional codes.
De Almeida, ACA, Palazzo, R, Chau, HF
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Realization of an Error-Correcting Surface Code with Superconducting Qubits

Physical Review Letters, 2022
Xiaobo Zhu, Jörg Schmiedmayer, Futian Liang   +2 more
exaly