Загальна інформація
I am co-founder and CTO of Haiqu, a Quantum Computing startup developing breakthrough…
Діяльність
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А в нас новий рекорд! Аж 152 студентські команди з усієї України подали заявку на участь в студентській акселераційній програмі IdeasLab від CfE…
А в нас новий рекорд! Аж 152 студентські команди з усієї України подали заявку на участь в студентській акселераційній програмі IdeasLab від CfE…
Вподобано Mykola Maksymenko
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Being a Malayaali and a #quantum nerd, I've always had the desire to do my part towards building a quantum community in Kerala. For far too long…
Being a Malayaali and a #quantum nerd, I've always had the desire to do my part towards building a quantum community in Kerala. For far too long…
Вподобано Mykola Maksymenko
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A few years ago, Darka Azhnyuk and I started the tradition of having breakfast with friends on the Ukrainian Independence Day. It is consistently a…
A few years ago, Darka Azhnyuk and I started the tradition of having breakfast with friends on the Ukrainian Independence Day. It is consistently a…
Вподобано Mykola Maksymenko
Досвід
Освіта
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Діяльність та товаристваPresident of European Physical Society Young Mind Section.
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- Master Thesis - "Quantum Brachistochrone problem".
A search for a time-optimal Hamiltonian to provide the shortest possible evolution between two quantum states, important for efficient quantum computation and information processing.
Ліцензії та сертифікати
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Machine Learning (Stanford University)
Coursera Course Certificates
Дата видачіІдентифікатор кваліфікаційного сертифіката QYYB7BV2Y2YK -
Публікації
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Scattering matrix invariants of Floquet topological insulators
Physical Review B (Editor's Suggestion)
Similar to static systems, periodically driven systems can host a variety of topologically non-trivial phases. Unlike the case of static Hamiltonians, the topological indices of bulk Floquet bands may fail to describe the presence and robustness of edge states, prompting the search for new invariants. We develop a unified description of topological phases and their invariants in driven systems, by using scattering theory. We show that scattering matrix invariants correctly describe the…
Similar to static systems, periodically driven systems can host a variety of topologically non-trivial phases. Unlike the case of static Hamiltonians, the topological indices of bulk Floquet bands may fail to describe the presence and robustness of edge states, prompting the search for new invariants. We develop a unified description of topological phases and their invariants in driven systems, by using scattering theory. We show that scattering matrix invariants correctly describe the topological phase, even when all bulk Floquet bands are trivial. Additionally, we use scattering theory to introduce and analyze new periodically driven phases, such as weak topological Floquet insulators, for which invariants were previously unknown. We highlight some of their similarities with static systems, including robustness to disorder, as well as some of the features unique to driven systems, showing that the weak phase may be destroyed by breaking translational symmetry not in space, but in time.
Інші авториПодивитися публікацію -
Reversible first-order transition in Pauli percolation
Physical Review E
Percolation plays an important role in fields and phenomena as diverse as the study of social networks, the dynamics of epidemics, the robustness of electricity grids, conduction in disordered media, and geometric properties in statistical physics. We analyze a new percolation problem in which the first-order nature of an equilibrium percolation transition can be established analytically and verified numerically. The rules for this site percolation model are physical and very simple, requiring…
Percolation plays an important role in fields and phenomena as diverse as the study of social networks, the dynamics of epidemics, the robustness of electricity grids, conduction in disordered media, and geometric properties in statistical physics. We analyze a new percolation problem in which the first-order nature of an equilibrium percolation transition can be established analytically and verified numerically. The rules for this site percolation model are physical and very simple, requiring only the introduction of a weight W(n)=n+1 for a cluster of size n. This establishes that a discontinuous percolation transition can occur with qualitatively more local interactions than in all currently considered examples of explosive percolation; and that, unlike these, it can be reversible. This greatly extends both the applicability of such percolation models in principle and their reach in practice.
Інші авториПодивитися публікацію -
Classical dipoles on the kagome lattice
Physical Review B
Motivated by recent developments in magnetic materials, frustrated nanoarrays, and cold atomic systems, we investigate the behavior of dipolar spins on the frustrated two-dimensional kagome lattice. By combining the Luttinger-Tisza approach, numerical energy minimization, spin-wave analysis, and parallel tempering Monte Carlo, we study long-range ordering and finite-temperature phase transitions for a Hamiltonian containing both dipolar and nearest-neighbor interactions. For antiferromagnetic…
Motivated by recent developments in magnetic materials, frustrated nanoarrays, and cold atomic systems, we investigate the behavior of dipolar spins on the frustrated two-dimensional kagome lattice. By combining the Luttinger-Tisza approach, numerical energy minimization, spin-wave analysis, and parallel tempering Monte Carlo, we study long-range ordering and finite-temperature phase transitions for a Hamiltonian containing both dipolar and nearest-neighbor interactions. For antiferromagnetic exchange and both weak and moderate dipolar interactions, the system enters a three-sublattice long-range ordered state with each triangle having vanishing dipole and quadrupole moments; whereas for dominating dipolar interactions we uncover ferrimagnetic three-sublattice order. These are also the ground states for XY spins. We discuss excitations of, as well as phase transitions into, these states. We find behavior consistent with Ising criticality for the 120∘ state, whereas the ferrimagnetic state appears to be associated with drifting exponents. The celebrated flat band of zero-energy excitations of the kagome nearest-neighbor Heisenberg model is lifted to finite energies but acquires only minimal dispersion as dipolar interactions are added.
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Strongly correlated flat-band systems: The route from Heisenberg spins to Hubbard electrons
International Journal of Modern Physics B
In this review we recapitulate the basic features of the flat-band spin systems and briefly summarize earlier studies in the field. Main emphasis is made on recent developments which include results for both spin and electron flat-band models. In particular, for flat-band spin systems we highlight field-driven phase transitions for frustrated quantum Heisenberg antiferromagnets at low temperatures, chiral flat-band states, as well as the effect of a slight dispersion of a previously strictly…
In this review we recapitulate the basic features of the flat-band spin systems and briefly summarize earlier studies in the field. Main emphasis is made on recent developments which include results for both spin and electron flat-band models. In particular, for flat-band spin systems we highlight field-driven phase transitions for frustrated quantum Heisenberg antiferromagnets at low temperatures, chiral flat-band states, as well as the effect of a slight dispersion of a previously strictly flat band due to nonideal lattice geometry. For electronic systems, we discuss the universal low-temperature behavior of several flat-band Hubbard models, the emergence of ground-state ferromagnetism in the square-lattice Tasaki-Hubbard model and the related Pauli-correlated percolation problem, as well as the dispersion-driven ground-state ferromagnetism in flat-band Hubbard systems. Closely related studies and possible experimental realizations of the flat-band physics are also described briefly.
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Відзнаки та нагороди
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Koshland Prize
Weizmann Institute of Science
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Best poster award at MECO 36 conference
MECO 36 conference
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DAAD scholarship for Young Scientists and PhD students
Deutsche Akademische Austausch Dienst
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Award of Lviv Regional State Administration
Regional State Administration of Lviv
Annual award for Young Scientists
Мови
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English
Повний професійний рівень володіння
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German
Елементарний рівень володіння
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Polish
Обмежений рівень володіння, достатній для роботи
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Russian
Рідна мова або володіння двома мовами
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Ukrainian
Рідна мова або володіння двома мовами
Більше активності від Mykola
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Yep, we need #ErrorCorrection in #QuantumComputing. And we already have promising approaches for that. But most implementations of them are still…
Yep, we need #ErrorCorrection in #QuantumComputing. And we already have promising approaches for that. But most implementations of them are still…
Вподобано Mykola Maksymenko
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🚀 CfE Accelerator UCU is excited to announce the launch of the 6th batch of the student acceleration program — 𝗜𝗱𝗲𝗮𝘀𝗟𝗮𝗯! As a participant…
🚀 CfE Accelerator UCU is excited to announce the launch of the 6th batch of the student acceleration program — 𝗜𝗱𝗲𝗮𝘀𝗟𝗮𝗯! As a participant…
Вподобано Mykola Maksymenko
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Historic visit. Prime Minister of India Narendra Modi took a train journey to Kyiv amidst the war. This follows such trips of the U.S. President and…
Historic visit. Prime Minister of India Narendra Modi took a train journey to Kyiv amidst the war. This follows such trips of the U.S. President and…
Вподобано Mykola Maksymenko
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Step into SoftServe's premier demo space: a showroom spotlighting our cutting-edge demos. From a 3D scanner and the digital concierge Gen to…
Step into SoftServe's premier demo space: a showroom spotlighting our cutting-edge demos. From a 3D scanner and the digital concierge Gen to…
Вподобано Mykola Maksymenko
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We are excited to collaborate on pushing forward some of the most challenging computational physics problems with one of the world's leading teams in…
We are excited to collaborate on pushing forward some of the most challenging computational physics problems with one of the world's leading teams in…
Поширено Mykola Maksymenko
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Another crucial milestone on Diraq's path to realizing full-scale quantum computing based on the same silicon CMOS technology used to make today's…
Another crucial milestone on Diraq's path to realizing full-scale quantum computing based on the same silicon CMOS technology used to make today's…
Вподобано Mykola Maksymenko
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Super thrilled to announce that our work titled 'Efficient Quantum Gradient and Higher-order Derivative Estimation via Generalized Hadamard Test' is…
Super thrilled to announce that our work titled 'Efficient Quantum Gradient and Higher-order Derivative Estimation via Generalized Hadamard Test' is…
Вподобано Mykola Maksymenko
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Our recent paper about magic transition in 1d and 2d circuits is now on the Arxiv! Link to preprint: https://lnkd.in/dChMDmNs Title: Magic…
Our recent paper about magic transition in 1d and 2d circuits is now on the Arxiv! Link to preprint: https://lnkd.in/dChMDmNs Title: Magic…
Вподобано Mykola Maksymenko
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People say "It takes a village to raise a child”, but at Aqora we prefer to say that it takes a stellar team to build the catalyst towards quantum…
People say "It takes a village to raise a child”, but at Aqora we prefer to say that it takes a stellar team to build the catalyst towards quantum…
Вподобано Mykola Maksymenko
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Building coalitions to promote Trade & Investment with Ukraine 🇺🇦 Great to host delegation from JETRO - Japan External Trade Organization and…
Building coalitions to promote Trade & Investment with Ukraine 🇺🇦 Great to host delegation from JETRO - Japan External Trade Organization and…
Вподобано Mykola Maksymenko
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🚨Newly released government report: Biden administration wants to forge U.S. leadership in quantum technology through coordinated international…
🚨Newly released government report: Biden administration wants to forge U.S. leadership in quantum technology through coordinated international…
Вподобано Mykola Maksymenko
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I am organizing a workshop on Quantum Algorithms for Bio and Life Sciences together with Alexey Galda from Moderna, Gavin Jones from IBM, Christoph…
I am organizing a workshop on Quantum Algorithms for Bio and Life Sciences together with Alexey Galda from Moderna, Gavin Jones from IBM, Christoph…
Вподобано Mykola Maksymenko
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Intellias, a global software engineering powerhouse with Ukrainian origins, acquired NorthLink Digital, part of Intellias, a leading IT consultancy…
Intellias, a global software engineering powerhouse with Ukrainian origins, acquired NorthLink Digital, part of Intellias, a leading IT consultancy…
Вподобано Mykola Maksymenko
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