243 citations · 673 across the 38 of their papers we have counts for
39 papers
Applying Grover-mixer quantum alternating operator ansatz algorithm to higher-order unconstrained binary optimization problems
Evgeniy O. Kiktenko, Elizaveta V. Krendeleva, Aleksey K. Fedorov
The quantum approximate optimization algorithm (QAOA) is among the leading candidates for achieving quantum advantage on near-term processors. While typically implemented with a tr…
Qudit-native simulation of the Potts model
Maksim A. Gavreev, Evgeniy O. Kiktenko, Aleksey K. Fedorov +1
Simulating entangled, many-body quantum systems is notoriously hard, especially in the case of high-dimensional nature of physical underlying objects. In this work, we propose an a…
Further improvements to stabilizer simulation theory: classical rewriting of CSS-preserving stabilizer circuits, quadratic form expansions of stabilizer operations, and framed hidden variable models
Vsevolod I. Yashin, Vladimir V. Yatsulevich, Aleksey K. Fedorov +1
Simulation of stabilizer circuits is a well-studied problem in quantum information processing, with a number of highly optimized algorithms available. Yet, we argue that further im…
Transition-aware decomposition of single-qudit gates
Denis A. Drozhzhin, Evgeniy O. Kiktenko, Aleksey K. Fedorov +1
Quantum computation with -level quantum systems, also known as qudits, benefits from the possibility to use a richer computational space compared to qubits. However, for an arbi…
Evidence for effectively constant shot complexity in the quantum approximate optimization algorithm without per-instance optimization
Andrey Yu. Chernyavskiy, Denis A. Kulikov, Boris I. Bantysh +3
We study a modified fixed-point version of the Quantum Approximate Optimization Algorithm (fpQAOA), where parameters are trained classically on small instances and then transferred…
Quantum-optical reset with classical memory
Evgeniy O. Kiktenko, Oleg M. Sotnikov, Ilia A. Iakovlev +5
Dynamic quantum circuits generate states that depend on the measurement results obtained during circuit execution. To date such a quantum computing model has mainly been implemente…
Scalable platform for qudit-based quantum computing using polar molecules
Soleh Kh. Muminov, Evgeniy O. Kiktenko, Anastasiia S. Nikolaeva +4
We propose a scalable qudit-based quantum processor using rotational states of polar molecules. Previously, molecular internal states were used to enlarge Hilbert space, whereas ou…
Quantum-inspired algorithm for simulating viral response
Daria O. Konina, Dmitry I. Korbashov, Ilya V. Kovalchuk +3
Understanding the properties of biological systems is an exciting avenue for applying advanced approaches to solving corresponding computational tasks. A specific class of problems…
Regularizing quantum loss landscapes by noise injection
Daniil S. Bagaev, Maxim A. Gavreev, Alena S. Mastiukova +2
The difficulty of training variational quantum algorithms and quantum machine learning models is well established. In particular, quantum loss landscapes are often highly non-conve…
Progress in the development of quantum algorithms and software
Anastasiia S. Nikolaeva, Daria O. Konina, Anatolii V. Antipov +10
A quantum processor, like any computing device, requires the development of both hardware and the necessary set of software solutions, starting with quantum algorithms and ending w…
Experimental factoring integers using fixed-point-QAOA with a trapped-ion quantum processor
Ilia V. Zalivako, Andrey Yu. Chernyavskiy, Anastasiia S. Nikolaeva +10
Factoring integers is considered as a computationally-hard problem for classical methods, whereas there exists polynomial-time Shor's quantum algorithm for solving this task. Howev…
Detection states of ions in a Paul trap via conventional and quantum machine learning algorithms
Ilia Khomchenko, Andrei Fionov, Artem Alekseev +4
Trapped ions are among the leading platforms for quantum technologies, particularly in the field of quantum computing. Detecting states of trapped ions is essential for ensuring hi…
Routing algorithm within the multiple non-overlapping paths approach for quantum key distribution networks
Evgeniy O. Kiktenko, Andrey Tayduganov, Aleksey K. Fedorov
We develop a novel key routing algorithm for quantum key distribution (QKD) networks that utilizes a distribution of keys between remote, i.e., not directly connected by a QKD link…
Transpiling quantum assembly language circuits to a qudit form
Denis A. Drozhzhin, Anastasiia S. Nikolaeva, Evgeniy O. Kiktenko +1
In this paper, we introduce the workflow for converting qubit circuits represented by Open Quantum ASseMbly format (OpenQASM, also known as QASM) into the qudit form for execution…
Emergence of global receptive fields capturing multipartite quantum correlations
Oleg M. Sotnikov, Ilia A. Iakovlev, Evgeniy O. Kiktenko +3
In quantum physics, even simple data with a well-defined structure at the wave function level can be characterized by extremely complex correlations between its constituent element…
Scalable improvement of the generalized Toffoli gate realization using trapped-ion-based qutrits
Anastasiia S. Nikolaeva, Ilia V. Zalivako, Alexander S. Borisenko +8
An efficient implementation of the Toffoli gate is of conceptual importance for running various quantum algorithms, including Grover's search and Shor's integer factorization. Howe…
Supervised binary classification of small-scale digit images and weighted graphs with a trapped-ion quantum processor
Ilia V. Zalivako, Alexander I. Gircha, Evgeniy O. Kiktenko +14
Here we present the results of benchmarking a quantum processor based on trapped Yb ions by performing basic quantum machine learning algorithms. Using a quantum-enha…
Barren plateaus are swamped with traps
Nikita A. Nemkov, Evgeniy O. Kiktenko, Aleksey K. Fedorov
Two main challenges preventing efficient training of variational quantum algorithms and quantum machine learning models are local minima and barren plateaus. Typically, barren plat…
Achieving the volume-law entropy regime with random-sign Dicke states
Oleg M. Sotnikov, Ilia A. Iakovlev, Evgeniy O. Kiktenko +2
Manipulating entanglement, which reflects non-local correlations in a quantum system and defines the complexity of describing its wave function, represents the extremely tough chal…
Computable and noncomputable in the quantum domain: statements and conjectures
Aleksey K. Fedorov, Evgeniy O. Kiktenko, Nikolay N. Kolachevsky
Significant advances in the development of computing devices based on quantum effects and the demonstration of their use to solve various problems have rekindled interest in the na…
Towards multiqudit quantum processor based on a Yb ion string: Realizing basic quantum algorithms
Ilia V. Zalivako, Anastasiia S. Nikolaeva, Alexander S. Borisenko +12
We demonstrate a quantum processor based on a 3D linear Paul trap that uses Yb ions with 8 individually controllable four-level qudits (ququarts), which is computatio…
Qudits for decomposing multiqubit gates and realizing quantum algorithms
Evgeniy O. Kiktenko, Anastasiia S. Nikolaeva, Aleksey K. Fedorov
The paradigm behind digital quantum computing inherits the idea of using binary information processing. Nature in fact gives much more rich structures of physical objects that can…
Eurasian-Scale Experimental Satellite-based Quantum Key Distribution with Detector Efficiency Mismatch Analysis
Aleksandr V. Khmelev, Alexey V. Duplinsky, Ruslan M. Bakhshaliev +9
The Micius satellite is the pioneering initiative to demonstrate quantum teleportation, entanglement distribution, quantum key distribution (QKD), and quantum-secured communication…
Demonstration of a parity-time symmetry breaking phase transition using superconducting and trapped-ion qutrits
Alena S. Kazmina, Ilia V. Zalivako, Alexander S. Borisenko +21
Scalable quantum computers hold the promise to solve hard computational problems, such as prime factorization, combinatorial optimization, simulation of many-body physics, and quan…