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Browsing by Author "Koshelev A."

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Occurrence of exact R <sup>2</sup> inflation in non-local UV-complete gravity

Koshelev A.; Modesto L.; Rachwal L.; Starobinsky A. (2016)

© 2016, The Author(s).The R + R2, shortly named “R2” (“Starobinsky”) inflationary model, represents a fully consistent example of a one-parameter inflationary scenario. This model has a “graceful exit” from inflation and ...
Short-Range and Long-Range Order in AFM-FM Exchange Coupled Compound LiCu<inf>2</inf>(VO<inf>4</inf>)(OH)<inf>2</inf>

Koshelev A.; Zvereva E.; Shvanskaya L.; Volkova O.; Abdel-Hafiez M.; Gippius A.; Zhurenko S.; Tkachev A.; Chareev D.; Büttgen N.; Schaedler M.; Iqbal A.; Rahaman B.; Saha-Dasgupta T.; Vasiliev A. (2019)

© 2019 American Chemical Society. The presence of both strong interchain and intrachain interactions of an antiferromagnetic as well as an ferromagnetic nature may lead to the appearance of a gap in the magnetic excitation ...
Single-crystal Fe-bearing sphalerite: synthesis, lattice parameter, thermal expansion coefficient and microhardness

Chareev D.; Osadchii V.; Shiryaev A.; Nekrasov A.; Koshelev A.; Osadchii E. (2017)

© 2016, Springer-Verlag Berlin Heidelberg.Sphalerite crystals (Fe,Zn)S containing up to 56 mol% of FeS have been synthesized by gas transport method and in molten salts in the temperature range 340–780 °C at various sulfur ...
The Synthesis of Crystals of Chalcogenides of K, Zr, Hf, Hg, and Some Other Elements in Halide Melts under Conditions of Stationary Temperature Gradient

Chareev D.; Volkova O.; Geringer N.; Evstigneeva P.; Zgurskiy N.; Koshelev A.; Nekrasov A.; Osadchii V.; Osadchii E.; Filimonova O. (2019)

© 2019, Pleiades Publishing, Inc. Abstract: The growth of crystals of metals, alloys, chalcogenides, and pnictides in melts of alkali metal halides under conditions of stationary temperature gradient has been studied. The ...
Vortex-core properties and vortex-lattice transformation in FeSe

Putilov A.; Di Giorgio C.; Vadimov V.; Trainer D.; Lechner E.; Curtis J.; Abdel-Hafiez M.; Volkova O.; Vasiliev A.; Chareev D.; Karapetrov G.; Koshelev A.; Aladyshkin A.; Mel'Nikov A.; Iavarone M. (2019)

© 2019 American Physical Society. Low-temperature scanning tunneling microscopy and spectroscopy has been used to image the vortex core and the vortex lattice in FeSe single crystals. The local tunneling spectra acquired ...

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Browsing by Author "Koshelev A."

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