82 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Russian Academy of SciencesRU65 papers
- Landau Institute for Theoretical PhysicsRU26 papers
- Centre National de la Recherche ScientifiqueFR23 papers
- Bavarian Academy of Sciences and HumanitiesDE17 papers
- Lomonosov Moscow State UniversityRU16 papers
- Laboratoire National des Champs Magnétiques IntensesFR13 papers
- Université Toulouse III - Paul SabatierFR13 papers
- Walther Meissner InstituteDE13 papers
- Osipyan Institute of Solid State Physics RASRU12 papers
- Institut de Ciència de Materials de BarcelonaES11 papers
- Institut Laue-LangevinFR9 papers
- Institut National des Sciences Appliquées de ToulouseFR9 papers
83 papers · 1 filter
Influence of environment on quantum correlations in two-spin systems with dipole-dipole interactions
G. A. Bochkin, E. B. Fel'dman, E. I. Kuznetsova +1
An influence of environment on quantum correlations (entanglement and quantum discord) is studied in a two-spin-1/2 system with dipole-dipole interactions on the basis of Lindblad…
Teleportation via spin-1/2 chain in solid-state quantum architecture
E. B. Fel'dman, S. I. Doronin, E. I. Kuznetsova +1
We propose the protocol for preparing the maximally entangled Bell state between remote qubits at the ends of the spin-1/2 chain governed by the specially engineered nearest-neighb…
Coherence restoring in communication line via controlled interaction with environment
E. B. Fel'dman, I. D. Lazarev, A. N. Pechen +1
We consider the state-restoring protocol based on the controlled interaction of a linear chain with environment through { incoherent control by} the specially adjusted step-wise ti…
Two-level control over quantum state creation via entangled equal-probability state
S. I. Doronin, E. B. Fel'dman, A. I. Zenchuk
We propose the scheme realizing the two-level control over the unitary operators creating the required quantum state of the system . These operators are controlled by the…
Some Aspects of Remote State Restoring in State Transfer Governed by XXZ-Hamiltonian
Georgii A. Bochkin, Sergei I. Doronin, Edward B. Fel'dman +4
We consider the remote state restoring and perfect transfer of the zero-order coherence matrix (PTZ) in a spin system governed by the XXZ-Hamiltonian conserving the excitation numb…
Quantum correlations in general qubit-qudit axially symmetric states
Saeed Haddadi, Elena I. Kuznetsova, M. A. Yurischev
The development and improvement of analytical methods for evaluating nonclassical correlations is one of the most important tasks in quantum information science. In this paper, we…
A comparative study of LQU and LQFI in general qubit-qutrit axially symmetric states
M. A. Yurischev, Saeed Haddadi, Mehrdad Ghominejad
We derive the compact closed forms of local quantum uncertainty (LQU) and local quantum Fisher information (LQFI) for hybrid qubit-qutrit axially symmetric (AS) states. This allows…
One-excitation spin dynamics in homogeneous closed chain governed by XX-Hamiltonian
E. B. Fel'dman, E. I. Kuznetsova, A. I. Zenchuk
We analytically investigate the one-excitation spin dynamics in a homogeneous closed spin-1/2 chain via diagonalization of the one-excitation block of the XX-Hamiltonian, which all…
Optimal remote restoring of quantum states in communication lines via local magnetic field
E. B. Fel'dman, A. N. Pechen, A. I. Zenchuk
Optimal state transport across spin chains, which are proposed as quantum wires for information transfer in solid state quantum architectures, is an important topic for quantum tec…
Quantum algorithms for calculating determinant and inverse of matrix and solving linear algebraic systems
Alexander I. Zenchuk, Georgii A. Bochkin, Wentao Qi +2
We propose quantum algorithms, purely quantum in nature, for calculating the determinant and inverse of an matrix (depth is ) which is a simple mo…
Local quantum Fisher information and local quantum uncertainty for general X-states
M. A. Yurischev, Saeed Haddadi
A two-spin-1/2 Heisenberg XYZ model with Dzyaloshinsky--Moriya (DM) and Kaplan--Shekhtman--Entin-Wohlman--Aharony (KSEA) interactions in the presence of an inhomogeneous external m…
Nearest-neighbor approximation in one-excitation state evolution along spin-1/2 chain governed by XX-Hamiltonian
E. B. Fel'dman, A. I. Zenchuk
The approximation of nearest neighbor interaction (NNI) is widely used in short-time spin dynamics with dipole-dipole interactions (DDI) when the intensity of spin-spin interaction…
M-neighbor approximation in one-qubit state transfer along zigzag and alternating spin-1/2 chains
E. B. Fel'dman, A. I. Zenchuk
We consider the -neighbor approximation in the problem of one-qubit pure state transfer along the -node zigzag and alternating spin chains governed by the -Hamiltonian w…
Quantum Otto heat engines on XYZ spin working medium with DM and KSEA interactions: Operating modes and efficiency at maximal work output
Elena I. Kuznetsova, M. A. Yurischev, Saeed Haddadi
The magnetic Otto thermal machine based on a two-spin-1/2 XYZ working fluid in the presence of an inhomogeneous magnetic field and antisymmetric Dzyaloshinsky--Moriya (DM) and symm…
Quantum algorithms for matrix operations and linear systems of equations
Wentao Qi, Alexandr I. Zenchuk, Asutosh Kumar +1
Fundamental matrix operations and solving linear systems of equations are ubiquitous in scientific investigations. Using the "Sender-Receiver" model, we propose quantum algorithms…
Landau-type sudden transitions of quantum correlations
Mikhail A. Yurischev
Sudden changes of quantum correlations in the Bell-diagonal states are well-known effects. They occur when the set of optimal parameters that determine the quantum correlation cons…
Transfer of 0-order coherence matrix along spin-1/2 chain
G. A. Bochkin, E. B. Fel'dman, I. D. Lazarev +2
In this work, we study transfer of coherence matrices along spin-1/2 chains of various length. Unlike higher order coherence matrices, 0-order coherence matrix can be perfectly tra…
Behavior of quantum discord, local quantum uncertainty, and local quantum Fisher information in two-spin-1/2 Heisenberg chain with DM and KSEA interactions
Anna V. Fedorova, M. A. Yurischev
A two-qubit Heisenberg XYZ model with Dzyaloshinsky-Moriya (DM) and Kaplan-Shekhtman-Entin-Wohlman--Aharony (KSEA) interactions is considered at thermal equilibrium. Analytical for…
Multiple quantum NMR in solids as a method of determination of Wigner-Yanase skew information
S. I. Doronin, E. B. Fel'dman, I. D. Lazarev
A connection of the Wigner-Yanase skew information and multiple quantum (MQ) NMR coherences is considered at different temperatures and evolution times of nuclear spins with dipole…
Non-trivial dynamic regimes of small (nano-scale) quantum systems
V. A. Benderskii, E. I. Kats
Small (but still containing many atoms) quantum systems (traditionally termed nano-systems) are dramatically different from their macroscopic or genuine microscopic (atomic) cousin…
Simulation of multiple-quantum NMR dynamics of spin dimer on quantum computer
S. I. Doronin, E. B. Fel'dman, E. I. Kuznetsova +1
Dymanics of spin dimers in multiple quantum NMR experiment is studied on the 5-qubit superconducting quantum processor of IBM {Quantum Experience} for the both {pure} ground and th…
Complete structural restoring of transferred multi-qubit quantum state
E. B. Fel'dman, A. N. Pechen, A. I. Zenchuk
We develop the protocol for structural restoring of multi-quantum coherence matrices of the multi-qubit quantum state transferred from the sender to the receiver along a spin-1/2 c…
Quantum entanglement in the anisotropic Heisenberg model with multicomponent DM and KSEA interactions
A. V. Fedorova, M. A. Yurischev
Using group-theoretical approach we found a family of four nine-parameter quantum states for the two-spin-1/2 Heisenberg system in an external magnetic field and with multiple comp…
Global sensitivity analysis for optimization of the Trotter-Suzuki decomposition
Alexey N. Pyrkov, Yurii Zotov, Jiangyu Cui +1
The Trotter-Suzuki decomposition is one of the main approaches for realization of quantum simulations on digital quantum computers. Variance-based global sensitivity analysis (the…