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  1. Article: [Motion activity module--a new physical exercise technology in the treatment and prophylaxis of spine osteochondrosis].

    Chelnokov, V A

    Voprosy kurortologii, fizioterapii, i lechebnoi fizicheskoi kultury

    2008  , Issue 2, Page(s) 48–50

    MeSH term(s) Exercise ; Humans ; Motor Activity/physiology ; Osteochondritis/therapy ; Spine/physiopathology
    Language Russian
    Publishing date 2008-03
    Publishing country Russia (Federation)
    Document type Journal Article
    ZDB-ID 600726-0
    ISSN 2309-1355 ; 0042-8787
    ISSN (online) 2309-1355
    ISSN 0042-8787
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  2. Article ; Online: Berezinskii-Kosterlitz-Thouless phase transitions in two-dimensional non-Abelian spin models.

    Borisenko, Oleg / Chelnokov, Volodymyr / Cuteri, Francesca / Papa, Alessandro

    Physical review. E

    2016  Volume 94, Issue 1-1, Page(s) 12108

    Abstract: It is argued that two-dimensional U(N) spin models for any N undergo a Berezinskii-Kosterlitz-Thouless (BKT)-like phase transition, similarly to the famous XY model. This conclusion follows from the Berezinskii-like calculation of the two-point ... ...

    Abstract It is argued that two-dimensional U(N) spin models for any N undergo a Berezinskii-Kosterlitz-Thouless (BKT)-like phase transition, similarly to the famous XY model. This conclusion follows from the Berezinskii-like calculation of the two-point correlation function in U(N) models, approximate renormalization group analysis, and numerical investigations of the U(2) model. It is shown, via Monte Carlo simulations, that the universality class of the U(2) model coincides with that of the XY model. Moreover, preliminary numerical results point out that two-dimensional SU(N) spin models with the fundamental and adjoint terms and N>4 exhibit two phase transitions of BKT type, similarly to Z(N) vector models.
    Language English
    Publishing date 2016-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2844562-4
    ISSN 2470-0053 ; 2470-0045
    ISSN (online) 2470-0053
    ISSN 2470-0045
    DOI 10.1103/PhysRevE.94.012108
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  3. Book ; Online: On bimodal size distribution of spin clusters in the one dimensional Ising model

    Ivanytskyi, A. I. / Chelnokov, V. O.

    2015  

    Abstract: The size distribution of geometrical spin clusters is exactly found for the one dimensional Ising model of finite extent. For the values of lattice constant $\beta$ above some "critical value" $\beta_c$ the found size distribution demonstrates the non- ... ...

    Abstract The size distribution of geometrical spin clusters is exactly found for the one dimensional Ising model of finite extent. For the values of lattice constant $\beta$ above some "critical value" $\beta_c$ the found size distribution demonstrates the non-monotonic behavior with the peak corresponding to the size of largest available cluster. In other words, at high values of lattice constant there are two ways to fill the lattice: either to form a single largest cluster or to create many clusters of small sizes. This feature closely resembles the well-know bimodal size distribution of clusters which is usually interpreted as a robust signal of the first order liquid-gas phase transition in finite systems. It is remarkable that the bimodal size distribution of spin clusters appears in the one dimensional Ising model of finite size, i.e. in the model which in thermodynamic limit has no phase transition at all.

    Comment: 7 pages, 3 figures
    Keywords Condensed Matter - Statistical Mechanics ; High Energy Physics - Lattice
    Subject code 612
    Publishing date 2015-12-05
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Phase transitions in two-dimensional Z(N) vector models for N>4.

    Borisenko, O / Chelnokov, V / Cortese, G / Fiore, R / Gravina, M / Papa, A

    Physical review. E, Statistical, nonlinear, and soft matter physics

    2012  Volume 85, Issue 2 Pt 1, Page(s) 21114

    Abstract: We investigate both analytically and numerically the renormalization group equations in two-dimensional (2D) Z(N) vector models. The position of the critical points of the two phase transitions for N>4 is established and the critical index ν is computed. ...

    Abstract We investigate both analytically and numerically the renormalization group equations in two-dimensional (2D) Z(N) vector models. The position of the critical points of the two phase transitions for N>4 is established and the critical index ν is computed. For N=7 and 17 the critical points are located by Monte Carlo simulations, and some of the corresponding critical indices are determined. The behavior of the helicity modulus is studied for N=5, 7, and 17. Using these and other available Monte Carlo data we discuss the scaling of the critical points with N and some other open theoretical problems.
    MeSH term(s) Algorithms ; Computer Simulation ; Models, Chemical ; Models, Molecular ; Models, Statistical ; Monte Carlo Method ; Phase Transition
    Language English
    Publishing date 2012-02
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1550-2376
    ISSN (online) 1550-2376
    DOI 10.1103/PhysRevE.85.021114
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  5. Article ; Online: Phase transitions in strongly coupled three-dimensional Z(N) lattice gauge theories at finite temperature.

    Borisenko, O / Chelnokov, V / Cortese, G / Fiore, R / Gravina, M / Papa, A / Surzhikov, I

    Physical review. E, Statistical, nonlinear, and soft matter physics

    2012  Volume 86, Issue 5 Pt 1, Page(s) 51131

    Abstract: We perform an analytical and numerical study of the phase transitions in three-dimensional Z(N) lattice gauge theories at finite temperature for N>4, exploiting equivalence of these models with a generalized version of the two-dimensional vector Potts ... ...

    Abstract We perform an analytical and numerical study of the phase transitions in three-dimensional Z(N) lattice gauge theories at finite temperature for N>4, exploiting equivalence of these models with a generalized version of the two-dimensional vector Potts models in the limit of vanishing spatial coupling. In this limit the Polyakov loops play the role of Z(N) spins. The effective couplings of these two-dimensional spin models are calculated explicitly. It is argued that the effective spin models have two phase transitions of BKT type. This is confirmed by large-scale Monte Carlo simulations. Using a cluster algorithm we locate the position of the critical points and study the critical behavior across both phase transitions in details. In particular, we determine various critical indices and compute the helicity modulus, the average action, and the specific heat. A scaling formula for the critical points with N is proposed.
    MeSH term(s) Computer Simulation ; Models, Chemical ; Models, Molecular ; Models, Statistical ; Phase Transition ; Temperature ; Thermodynamics
    Language English
    Publishing date 2012-11
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1550-2376
    ISSN (online) 1550-2376
    DOI 10.1103/PhysRevE.86.051131
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  6. Article: [Modern structure of the pancreatic injuries].

    Chirkov, R N / Vasiutkov, V Ia / Chelnokov, V S

    Sudebno-meditsinskaia ekspertiza

    2005  Volume 48, Issue 5, Page(s) 7–9

    Abstract: Current structure of pancreatic traumas of peace time is considered. The dynamics, mechanism and characteristics of pancreastic injury are described. Surgical treatment of pancreatic injuries and causes of their inadequate management are analysed. This ... ...

    Abstract Current structure of pancreatic traumas of peace time is considered. The dynamics, mechanism and characteristics of pancreastic injury are described. Surgical treatment of pancreatic injuries and causes of their inadequate management are analysed. This will contribute to improvement of the quality of treatment of pancreatic injuries and of expert evaluation.
    MeSH term(s) Abdominal Injuries/mortality ; Abdominal Injuries/pathology ; Abdominal Injuries/surgery ; Accidents ; Autopsy ; Digestive System Surgical Procedures ; Female ; Forensic Pathology ; Humans ; Male ; Multiple Trauma/mortality ; Multiple Trauma/pathology ; Multiple Trauma/surgery ; Pancreas/injuries ; Pancreas/pathology ; Pancreas/surgery ; Retrospective Studies
    Language Russian
    Publishing date 2005-09
    Publishing country Russia (Federation)
    Document type English Abstract ; Journal Article
    ZDB-ID 41012-3
    ISSN 0039-4521
    ISSN 0039-4521
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  7. Article: Patomorfologicheskie izmeneniia pri cherpno-mozgovoĭ travme.

    Chelnokov, V S / Il'ina, E V

    Sudebno-meditsinskaia ekspertiza

    2001  Volume 44, Issue 1, Page(s) 7–9

    Abstract: Time course of the posttraumatic process in craniocerebral injuries is analyzed. Pathomorphological picture of changes in soft tissues of the head, meninx, and brain matter are described. Several periods are distinguished. Factors affecting the course of ...

    Title translation Pathomorphological study in craniocerebral injury.
    Abstract Time course of the posttraumatic process in craniocerebral injuries is analyzed. Pathomorphological picture of changes in soft tissues of the head, meninx, and brain matter are described. Several periods are distinguished. Factors affecting the course of the posttraumatic process in the above-mentioned structures are discussed.
    MeSH term(s) Brain/pathology ; Brain Injuries/pathology ; Forensic Medicine ; Humans ; Postmortem Changes ; Skull/pathology
    Language Russian
    Publishing date 2001-01
    Publishing country Russia (Federation)
    Document type English Abstract ; Journal Article
    ZDB-ID 41012-3
    ISSN 0039-4521
    ISSN 0039-4521
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  8. Article: Zavisimost' morfologicheskikh izmeneniĭ obolochek i veshchestva golovnogo mozga ot davnosti travmy.

    Chelnokov, V S

    Sudebno-meditsinskaia ekspertiza

    1979  Volume 22, Issue 1, Page(s) 33–35

    Title translation Relationship of the morphological changes in the meninges and substance of the brain to the time of injury.
    MeSH term(s) Adolescent ; Adult ; Brain/pathology ; Brain Injuries/pathology ; Cadaver ; Humans ; Meninges/pathology ; Middle Aged ; Postmortem Changes ; Skull/injuries ; Time Factors
    Language Russian
    Publishing date 1979-01
    Publishing country Russia (Federation)
    Document type Journal Article
    ZDB-ID 41012-3
    ISSN 0039-4521
    ISSN 0039-4521
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  9. Article: New species of Anurida Laboulb. (Collembola, Neanuridae) from the Asian part of the USSR

    Chelnokov, V.G

    Entomological review. Jan/Feb 1989. v. 68 (1)

    1989  

    Keywords Anurida ; taxonomy ; new taxa ; USSR
    Language English
    Dates of publication 1989-01
    Size p. 39-57., ill.
    Document type Article
    Note Translated from: Entomologicheskoye obozreniye, (1), 1988, p. 68-86. (421 R322).
    ZDB-ID 2239509-X
    ISSN 1555-6689 ; 0013-8738
    ISSN (online) 1555-6689
    ISSN 0013-8738
    Database NAL-Catalogue (AGRICOLA)

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  10. Article: Rol' nekotorykh otdelov tsentral'noĭ nervnoĭ sistemy v geneze vnezapnoĭ smerti.

    Dubrovin, I A / Chelnokov, V S / Kalinkin, M N

    Sudebno-meditsinskaia ekspertiza

    1999  Volume 42, Issue 4, Page(s) 19–21

    Abstract: Hypothalamic and hippocampal lipid composition in sudden death from coronary heart disease is studied. Thin-layer chromatography was the main method of biochemical analysis. Disorders in the lipid component of hippocampal cytostructures involved mainly ... ...

    Title translation The role of certain sections of the central nervous system in the genesis of sudden death.
    Abstract Hypothalamic and hippocampal lipid composition in sudden death from coronary heart disease is studied. Thin-layer chromatography was the main method of biochemical analysis. Disorders in the lipid component of hippocampal cytostructures involved mainly the cholesterol fractions. Metabolic disorders in the hypothalamus involved the phospholipid metabolism. The above-mentioned biochemical changes were paralleled by ultrastructural abnormalities. Analysis of the data demonstrates a probable metabolic basis of a central mechanism of sudden cardiac death.
    MeSH term(s) Adult ; Aged ; Death, Sudden, Cardiac/etiology ; Death, Sudden, Cardiac/pathology ; Hippocampus/metabolism ; Hippocampus/ultrastructure ; Humans ; Hypothalamus/metabolism ; Hypothalamus/ultrastructure ; Lipid Metabolism ; Male ; Microscopy, Electron ; Middle Aged ; Myocardial Ischemia/metabolism ; Myocardial Ischemia/pathology ; Myocardium/metabolism ; Myocardium/ultrastructure ; Neurons/metabolism ; Neurons/ultrastructure ; Wounds and Injuries/metabolism ; Wounds and Injuries/pathology
    Language Russian
    Publishing date 1999-07
    Publishing country Russia (Federation)
    Document type Comparative Study ; English Abstract ; Journal Article
    ZDB-ID 41012-3
    ISSN 0039-4521
    ISSN 0039-4521
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