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Overcoming leakage in quantum error correction
The leakage of quantum information out of the two computational states of a qubit into other energy states represents a major challenge for quantum...
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Quantum error correction with gauge symmetries
Quantum simulations of lattice gauge theories (LGTs) are often formulated on an enlarged Hilbert space containing both physical and unphysical...
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Protecting entanglement between logical qubits via quantum error correction
Entanglement is one of the most important resources in quantum computing, cryptography and sensing. However, entanglement is also fragile, and its...
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Quantum error correction from complexity in Brownian SYK
We study the robustness of quantum error correction in a one-parameter ensemble of codes generated by the Brownian SYK model, where the parameter...
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All-photonic one-way quantum repeaters with measurement-based error correction
Quantum repeater is the key technology enabler for long-distance quantum communication. To date, most of the existing quantum repeater protocols are...
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Quantum error correction for heavy hexagonal code using deep reinforcement learning with policy reuse
Quantum error correction techniques are important for implementing fault-tolerant quantum computation, and topological quantum error correcting codes...
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Quantum Error-Correction Codes
Nothing is perfect, and everything is prone to errors. Quantum information is subjected to fundamenetally different errors compared to classical...
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Quantum error correction in the black hole interior
We study the quantum error correction properties of the black hole interior in a toy model for an evaporating black hole: Jackiw-Teitelboim gravity...
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A direct error correction method for quantum machine learning
In performing quantum machine learning on quantum computers (noisy intermediate-scale quantum devices), we need quantum noise and error mitigation...
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Approximate symmetries and quantum error correction
Quantum error correction (QEC) is a key concept in quantum computation as well as many areas of physics. There are fundamental tensions between...
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Quantum error correction scheme for fully-correlated noise
This paper investigates quantum error correction schemes for fully-correlated noise channels on an n -qubit system, where error operators take the...
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Practical Demonstration of Quantum Key Distribution Protocol with Error Correction Mechanism
Quantum Key Distribution is a major building block of Quantum cryptography. A Quantum key is generated through the quantum particles. Quantum...
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Multidimensional Bose quantum error correction based on neural network decoder
Boson quantum error correction is an important means to realize quantum error correction information processing. In this paper, we consider the...
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Improved forward error correction technology of RS-LDPC cascade code in optical transport network
With the continuous development of optical communication and the increase in data transmission volume, optical transport network (OTN) has become the...
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Quantum Cost Optimization Algorithm for Entanglement-based Asymmetric Quantum Error Correction
The importance of reversible operations has been increasing day by day to overcome the drawbacks of irreversible computation. Quantum computers...
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Autonomous quantum error correction and fault-tolerant quantum computation with squeezed cat qubits
We propose an autonomous quantum error correction scheme using squeezed cat (SC) code against excitation loss in continuous-variable systems. Through...
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Quantum error correction beyond the toric code: dynamical systems meet encoding
We construct surface codes corresponding to genus greater than one in the context of quantum error correction. The architecture is inspired by the...
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The application of weight parity error correction in quantum codes
Weight parity error correction (WPEC) is an error-correction scheme that can correct high-weight Pauli errors. Still, it was initially shown to apply...
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Autonomous quantum error correction in a four-photon Kerr parametric oscillator
Autonomous quantum error correction has gained considerable attention to avoid complicated measurements and feedback. Despite its simplicity compared...
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Fault-tolerant error correction for quantum Hamming codes with only two ancillary qudits
High-dimensional quantum error correction codes (QECCs) are widely used to enhance the security and coding capabilities of the entire quantum...
