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- Research Institute for Astronomy and Astrophysics of MaraghIR261 papers
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22 papers · 1 filter
Noise tolerance via reinforcement in the quantum search problem
Marjan Homayouni-Sangari, Abolfazl Ramezanpour
The Grover lower bound for the unstructured search problem can be surpassed when some information about the data structure is available. Here, we numerically observe that reinforce…
Quantized Dissipation from the Inverse-Square Anomaly in a Non-Hermitian Klein-Gordon Field
Mansour Haghighat, Ali Nouri
We construct an exactly solvable relativistic model that embeds the anomalous inverse-square interaction into a non-Hermitian Klein-Gordon field theory through a purely imaginary,…
Spin stiffness and resilience phase transition in a noisy toric-rotor code
Morteza Zarei, Mohammad Hossein Zarei
We use a quantum formalism for the partition function of the classical model to identify a resilience phase transition in the zero-syndrome postselected sector of a noisy tori…
Noise tolerance via reinforcement: Learning a reinforced quantum dynamics
Abolfazl Ramezanpour
The performance of quantum simulations heavily depends on the efficiency of noise mitigation techniques and error correction algorithms. Reinforcement has emerged as a powerful str…
Layer-by-layer disentangling two-dimensional topological quantum codes
Mohammad Hossein Zarei, Mohsen Rahmani Haghighi
While local unitary transformations are used for identifying quantum states which are in the same topological class, non-local unitary transformations are also important for studyi…
Conditional global entanglement in a Kosterlitz-Thouless quantum phase transition
Elahe Samimi, Mohammad Hossein Zarei, Afshin Montakhab
Entanglement is known as an important indicator for characterizing different types of quantum phase transitions (QPTs), however it faces some challenges in the Kosterlitz-Thouless…