Výsledky vyhledávání - "A. V. Prokof'ev"

Akademický článek

Interaction-enhanced nesting in spin-fermion and Fermi-Hubbard models

Autor: R. Rossi, F. Šimkovic IV, M. Ferrero, A. Georges, A. M. Tsvelik, N. V. Prokof'ev, I. S. Tupitsyn

Publikováno v: Physical Review Research, Vol 6, Iss 3, p L032058 (2024)

The spin-fermion (SF) model postulates that the dominant coupling between low-energy fermions in near critical metals is mediated by collective spin fluctuations (paramagnons) peaked at the Néel wave vector, Q_{N}, connecting hot spots on opposite s

Externí odkaz: https://doaj.org/article/39bb07f46add4f1aa479e03061d6438f

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Akademický článek

Precursory Cooper flow in ultralow-temperature superconductors

Autor: Pengcheng Hou, Xiansheng Cai, Tao Wang, Youjin Deng, Nikolay V. Prokof'ev, Boris V. Svistunov, Kun Chen

Publikováno v: Physical Review Research, Vol 6, Iss 1, p 013099 (2024)

Superconductivity at low temperature—observed in lithium and bismuth, as well as in various low-density superconductors—calls for the development of reliable theoretical and experimental tools for predicting ultralow critical temperatures T_{c} o

Externí odkaz: https://doaj.org/article/3c20ae56933b42debf970d9f8e8276b6

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Akademický článek

Anti-drude metal of bosons

Autor: Guido Masella, Nikolay V. Prokof’ev, Guido Pupillo

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-7 (2022)

Interacting bosons in one or two dimensions are expected to be in either a superfluid or an insulating ground state. Here, the authors show numerically that an experimentally relevant 1D model of disordered bosons with dipolar couplings supports an u

Externí odkaz: https://doaj.org/article/5ea65091c3ea4d8b8cdc07a9451aeee2

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Akademický článek

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Akademický článek

Bipolaronic High-Temperature Superconductivity

Autor: C. Zhang, J. Sous, D. R. Reichman, M. Berciu, A. J. Millis, N. V. Prokof’ev, B. V. Svistunov

Publikováno v: Physical Review X, Vol 13, Iss 1, p 011010 (2023)

Electron-lattice interactions play a prominent role in quantum materials, making a deeper understanding of direct routes to phonon-mediated high-transition-temperature (T_{c}) superconductivity desirable. However, it has been known for decades that w

Externí odkaz: https://doaj.org/article/0bf5761cb33940109d8f2682928f08be

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Akademický článek

ALGORITHM FOR OBJECTS’ DETECTING AND CLASSIFICATION ON A HETEROGENEOUS BACKGROUND

Autor: A. A. Chernikov, A. I. Purtov, I. V. Prokof'ev, V. P. Yushchenko

Publikováno v: Известия высших учебных заведений. Поволжский регион:Технические науки, Iss 4 (2020)

Background. The object of the research is an optoelectronic detection system for unmanned aerial vehicles and armored vehicles. The subject of the research is the methods of identifying and classifying a moving object against a complex nonuniform

Externí odkaz: https://doaj.org/article/62f1026e96ad4137b8d9eeed73dbb7c8

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Origin of the Coulomb pseudopotential

Autor: Tao Wang, Xiansheng Cai, Kun Chen, Boris V. Svistunov, Nikolay V. Prokof'ev

Publikováno v: Physical Review B. 107

We address the outstanding problem of electron pairing in the presence of strong Coulomb repulsion at small to moderate values of the Coulomb parameter, $r_s \lesssim 2$, and demonstrate that the pseudopotential framework is fundamentally biased and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ddcf9ce80423ba4ad26b7f498b7af74
https://doi.org/10.1103/physrevb.107.l140507

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