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Kohn-Luttinger effect and anomalous pairing in repulsive Fermi-systems at low density : Review Article / M. Y. Kagan [et al.] // Low Temp. Phys. - 2012. - Vol. 38, Is. 9. - P. 874-879, DOI 10.1063/1.4752091. - Cited References: 59. - We acknowledge helpful discussions with A. V. Chubukov, A. S. Alexandrov, V. V. Kabanov, K. I. Kugel, Yu. V. Kopaev, N. M. Plakida, and N. V. Prokof'ev. M. Yu. K's work was supported by RFBR Grant No 11-02-00741-a. . - ISSN 1063-777X

РУБ Physics, Applied
Рубрики:
T-J MODEL
   SUPERFLUID TRANSITION-TEMPERATURE
   2-BAND HUBBARD-MODEL
   LOW ELECTRON-DENSITY
   FRACTIONAL-STATISTICS
   PHASE-SEPARATION
   SUPERCONDUCTIVITY
   GAS
   ENHANCEMENT
   MECHANISM
Кл.слова (ненормированные):
d-wave superconductivity -- electron density -- electron spin polarisation -- high-temperature superconductors -- Hubbard model -- superconducting transition temperature -- t-J model -- two-dimensional electron gas
Аннотация: We demonstrate the possibility of triplet p-wave pairing at low electron density a large number of models such as 3D and 2D Fermi-gas models with hard-core repulsion, 3D and 2D Hubbard models, and the Shubin-Vonsovsky model. The critical temperature for p-wave pairing can be considerably higher in the spin-polarized case or even in a two-band situation at low density and can reach experimentally observable values of 1–5 K. We also discuss briefly the d-wave pairing and high-Tc superconductivity with Tc ∼ 100 K which arise in the extended Hubbard model and in the generalized t-Jmodel when close to half-filling.

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Публикация "на русском языке" Kohn-Luttinger effect and anomalous pairing in repulsive Fermi-systems at low density [Текст] : Review Article / M. Yu. Kagan [et al.] // Физ. низких температур : Физико-технический институт низких температур им. Б.И. Веркина НАН Украины, 2012. - Т. 38 Вып. 9.- С.1102-1108

Держатели документа:
[Kagan, M. Yu.] Kapitza Inst Phys Problems, Moscow 19334, Russia
[Efremov, D. V.] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[Mar'enko, M. S.] Hofstra Univ, Dept Phys & Astron, Hempstead, NY 11549 USA
[Val'kov, V. V.] Kirenskii Inst Phys, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kagan, M. Y.; Каган, Максим Юрьевич; Efremov, D. V.; Mar'enko, M. S.; Val'kov, V. V.; Вальков, Валерий Владимирович
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Magnetic field-induced rotation of the plane of polarization of light in the antiferromagnetic ferroborate TbFe3(BO3)(4) / V. A. Bedarev [et al.] // Low Temp. Phys. - 2011. - Vol. 37, Is. 6. - P. 476-479 ; Физика низких температур, DOI 10.1063/1.3614411. - Cited References: 11 . - ISSN 1063-777X

РУБ Physics, Applied

Кл.слова (ненормированные):
antiferromagnetic materials -- iron compounds -- light polarisation -- magnetisation -- tellurium compounds
Аннотация: The magnetic field dependences of the rotation of the plane of polarization of light and the magnetization in single crystals of the ferroborate TbFe3(BO3)(4) are studied. The main contribution to the magnetic field-induced rotation of the plane of polarization is found to be from the magnetic subsystem of the terbium ions. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3614411]

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Держатели документа:
[Bedarev, V. A.
Pashchenko, M. I.
Bludov, A. N.
Gnatchenko, S. L.] Natl Acad Sci Ukraine, BI Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine
[Bezmaternykh, L. N.
Temerov, V. L.] Russian Acad Sci, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
B.I. Verkin Institute of Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, Pr. Lenina 47, Kharkov 61103, Ukraine
L.V. Kirenskii Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Bedarev, V. A.; Pashchenko, M. I.; Bludov, A. N.; Gnatchenko, S. L.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Temerov, V. L.; Темеров, Владислав Леонидович

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Raman spectra of diphenylalanine microtubes: polarisation and temperature effects / A. Krylov, S. Krylova, S. Kopyl [et al.] // Crystals. - 2020. - Vol. 10, Is. 3. - Ст. 224, DOI 10.3390/cryst10030224. - Cited References: 43. - This research was funded by the Russian Foundation for Basic Research grant number 18-02-00754, F.S. thanks Scientific and Technological Research Council of Turkey for support under Grant Number 115F227. S.Kopyl and A.Kholkin thank the joint project Portugal-Turkey TUBITAK/0006/2014. This work was developed within the scope of the project CICECO-Aveiro Institute of Materials, refs. UIDB/50011/2020 & UIDP/50011/2020, financed by national funds through the FCT/MEC. S.Kopyl, P.Z. and A.Kholkin were partly supported by FCT (Portugal) through the project "BioPiezo"-PTDC/CTM-CTM/31679/2017 (CENTRO-01-0145-FEDER-031679). Part of this work was funded by national funds (OE), through FCT-Fundacao para a Ciencia e a Tecnologia, I.P., in the scope of the framework contract foreseen in the numbers 4, 5, and 6 of the article 23, of the Decree-Law 57/2016, of 29 August, changed by Law 57/2017, of 19 July. . - ISSN 2073-4352

РУБ Crystallography + Materials Science, Multidisciplinary
Рубрики:
PIEZOELECTRIC PROPERTIES
   PHASE-TRANSITIONS
   SPECTROSCOPY
   SCATTERING
Кл.слова (ненормированные):
diphenylalanine -- Raman spectra -- phase transition -- polarisation -- temperature effects
Аннотация: Diphenylalanine microtubes have remarkable physical properties that allow one to use them in electronics. In this work, we measured polarised temperature-dependent Raman spectra in self-assembled diphenylalanine microtubes grown from the solution. We observed the anomalous temperature behaviour of the Raman lines. Their temperature changes were minimal, which required a significant improvement in the resolution and stability of Raman measurements. The anomalies in the behaviour of the spectra at about 178 K, 235 K, 255 K, 278 K, 296 K, 398 K and 412 K were observed. The structural phase transition at 398 K is irreversible. This transition is associated with the release of water molecules from nanochannels. The irreversible phase transition has a temperature range of about 10 K.

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Держатели документа:
Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Univ Aveiro, Dept Phys, P-3810193 Aveiro, Portugal.
Univ Aveiro, CICECO Mat Inst Aveiro, P-3810193 Aveiro, Portugal.
Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia.
Istanbul Tech Univ, Dept Phys Engn, TR-34469 Istanbul, Turkey.
Ural Fed Univ, Inst Nat Sci & Math, Ekaterinburg 620026, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.; Крылова, Светлана Николаевна; Kopyl, Svitlana; Salehli, Ferid; Zelenovskiy, Pavel; Vtyurin, A. N.; Втюрин, Александр Николаевич; Kholkin, Andrei; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-02-00754]; Scientific and Technological Research Council of TurkeyTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [115F227]; project Portugal-Turkey [TUBITAK/0006/2014]; FCT/MEC [UIDB/50011/2020, UIDP/50011/2020]; FCT (Portugal) through the project "BioPiezo" [PTDC/CTM-CTM/31679/2017 (CENTRO-01-0145-FEDER-031679)]; national funds (OE), through FCT-Fundacao para a Ciencia e a Tecnologia, I.P.
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Salanskii, N. M.
Subharmonic oscillations in magnetic films in high frequency fields of linear and circular polarisation / N. M. Salanskii, V. A. Kostyakov, A. I. Polskii // International colloquium on physics of magnetic films : [program and abstracts] / chairman L. V. Kirensky ; vice-chaiman: V. A. Buravikhin, R. V. Telesnin ; progr. and publ. com. N. M. Salansky ; progr. com.: V. A. Ignatchenko, Yu. V. Zakharov [et al]. - Irkutsk, 1968. - Section Ferromagnetic resonance, spin-wave resonance, high-frequency properties. - Ст. 6-A.4. - P. 60

Держатели документа:
Институт физики СО АН СССР

Доп.точки доступа:
Kostyakov, V. A.; Polskii, A. I.; Польский, Анатолий Илларионович; Саланский, Наум МоисеевичSalansky; Академия наук СССР; Научный совет по комплексной проблеме "Физика твердого тела" АН СССР; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Иркутский государственный педагогический институтInternational colloquium on physics of magnetic films(3 ; 1968 ; 8-16 July ; Irkutsk); Международный коллоквиум по физике магнитных пленок(1968 ; 8-16 июля ; Иркутск)
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