391 research outputs found

    Dipole lasing phase transitions in media with singularities in polarizabilities

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    We show that a divergence in the optical polarizability of a heterogeneous medium with nonlinear amplification and a strong dipole-dipole interaction between particles can lead to a phase transition, for which the dipole momentum of the particles or the dipole radiation rate can be taken as order parameters. The "dipole laser" (Phys. Rev. A 71, 063812 (2005)) can be used both as a simple example of such a second-order phase transition and to provide a recipe for its analysis. We show that similar phase transitions may be possible for a nanoparticle on the surface of an optically active medium and at the "Clausius-Mossotti" catastrophe in a bulk heterogeneous medium

    ΠžΡΠΎΠ±Π΅Π½Π½ΠΎΡΡ‚ΠΈ лСксико-сСмантичСской Π³Ρ€ΡƒΠΏΠΏΡ‹ Β«Ρ€Π΅Π±Π΅Π½ΠΎΠΊΒ» Π² испанском ΠΈ украинском языках

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    In the article structure of lexical-semantic group β€œchild” in the Spanish and Ukrainian languages in theΒ comparative aspect is analyzed. Notions of dominant, local and general peripheries, similarities and differencesΒ in the analyzed languages are defined. Process of nominative, qualificative, nominative-qualificative semeΒ actualization is shown by examples. That leads to appearance of different connotations while nomination ofΒ child in the Spanish and Ukrainian languages.Π’ ΡΡ‚Π°Ρ‚ΡŒΠ΅ анализируСтся структура лСксико-сСмантичСской Π³Ρ€ΡƒΠΏΠΏΡ‹ Β«Ρ€Π΅Π±Π΅Π½ΠΎΠΊΒ» Π² испанском и украинском языках Π² ΠΊΠΎΠΌΠΏΠ°Ρ€Π°Ρ‚ΠΈΠ²Π½ΠΎΠΌ аспСктС. ΠžΠΏΡ€Π΅Π΄Π΅Π»ΡΠ΅Ρ‚ΡΡ понятиС Π΄ΠΎΠΌΠΈΠ½Π°Ρ‚Ρ‹, локальной ΠΈ ΠΎΠ±Ρ‰Π΅ΠΉΒ ΠΏΠ΅Ρ€ΠΈΡ„Π΅Ρ€ΠΈΠΈ, ΠΈΡ… ΠΎΠ±Ρ‰ΠΈΠ΅ Ρ‡Π΅Ρ€Ρ‚Ρ‹ ΠΈ различия Π² исслСдуСмых языках. На ΠΏΡ€ΠΈΠΌΠ΅Ρ€Π°Ρ… ΠΏΠΎΠΊΠ°Π·Π°Π½ процСсс Π°ΠΊΡ‚ΡƒΠ°Π»ΠΈΠ·Π°Ρ†ΠΈΠΈΒ Π½ΠΎΠΌΠΈΠ½Π°Ρ‚ΠΈΠ²Π½Ρ‹Ρ…, ΠΊΠ²Π°Π»ΠΈΡ„ΠΈΠΊΠ°Ρ‚ΠΈΠ²Π½Ρ‹Ρ…, Π½ΠΎΠΌΠΈΠ½Π°Ρ‚ΠΈΠ²Π½ΠΎ-ΠΊΠ²Π°Π»ΠΈΡ„ΠΈΠΊΠ°Ρ‚ΠΈΠ²Π½Ρ‹Ρ… сСм, Ρ‡Ρ‚ΠΎ ΠΏΡ€ΠΈΠ²ΠΎΠ΄ΠΈΡ‚ ΠΊ ΠΏΠΎΡΠ²Π»Π΅Π½ΠΈΡŽΒ Ρ€Π°Π·Π»ΠΈΡ‡Π½ΠΎΠ³ΠΎ Ρ€ΠΎΠ΄Π° ΠΊΠΎΠ½Π½ΠΎΡ‚Π°Ρ†ΠΈΠΉ ΠΏΡ€ΠΈ Π½ΠΎΠΌΠΈΠ½Π°Ρ†ΠΈΠΈ Ρ€Π΅Π±Π΅Π½ΠΊΠ° Π² испанском ΠΈ украинском языках

    Exchange of Experience of Cancer Patients in Social Networks

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    Oncological disease acts as a barrier in communication in real life, not only with relatives and healthy people, but even with those who have encountered it themselves. Communication becomes relevant in social networks, as there is no personal contact, anonymity is inherent and less time is spent on conversation. The purpose of our study was to analyze the role of social networks as communication between cancer patients using Instagram as an example. This network was chosen because it is visited by 42 million people a month and every year it is gaining even more popularity. We studied 15 profiles in our chosen social network. More than 42.4 thousand publications are devoted to the topic β€œ#critical oncology.” We found that communicating on Instagram helps this category of people to facilitate the process of treatment or remission, having received support, attention and understanding among the β€œsubscribers”.ΠžΠ½ΠΊΠΎΠ»ΠΎΠ³ΠΈΡ‡Π΅ΡΠΊΠΎΠ΅ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠ΅ выступаСт Π±Π°Ρ€ΡŒΠ΅Ρ€ΠΎΠΌ Π² ΠΎΠ±Ρ‰Π΅Π½ΠΈΠΈ Π² Ρ€Π΅Π°Π»ΡŒΠ½ΠΎΠΉ ΠΆΠΈΠ·Π½ΠΈ Π½Π΅ Ρ‚ΠΎΠ»ΡŒΠΊΠΎ с родствСнниками ΠΈ Π·Π΄ΠΎΡ€ΠΎΠ²Ρ‹ΠΌΠΈ людьми, Π½ΠΎ Π΄Π°ΠΆΠ΅ с Ρ‚Π΅ΠΌΠΈ, ΠΊΡ‚ΠΎ столкнулся с этим сам. ΠΠΊΡ‚ΡƒΠ°Π»ΡŒΠ½Ρ‹ΠΌ становится коммуникация Π² ΡΠΎΡ†ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… сСтях, Π³Π΄Π΅ отсутствуСт Π»ΠΈΡ‡Π½Ρ‹ΠΉ ΠΊΠΎΠ½Ρ‚Π°ΠΊΡ‚, присущС Π°Π½ΠΎΠ½ΠΈΠΌΠ½ΠΎΡΡ‚ΡŒ ΠΈ всС мСньшС затрачиваСтся Π²Ρ€Π΅ΠΌΠ΅Π½ΠΈ Π½Π° Ρ€Π°Π·Π³ΠΎΠ²ΠΎΡ€. ЦСлью нашСго исслСдования Π±Ρ‹Π» Π°Π½Π°Π»ΠΈΠ· Ρ€ΠΎΠ»ΠΈ ΡΠΎΡ†ΠΈΠ°Π»ΡŒΠ½Ρ‹Ρ… сСтСй ΠΊΠ°ΠΊ ΠΊΠΎΠΌΠΌΡƒΠ½ΠΈΠΊΠ°Ρ†ΠΈΠΈ ΠΌΠ΅ΠΆΠ΄Ρƒ ΠΎΠ½ΠΊΠΎΠ±ΠΎΠ»ΡŒΠ½Ρ‹ΠΌΠΈ Π½Π° ΠΏΡ€ΠΈΠΌΠ΅Ρ€Π΅ Instagram. Данная ΡΠ΅Ρ‚ΡŒ Π±Ρ‹Π»Π° Π²Ρ‹Π±Ρ€Π°Π½Π°, ΠΏΠΎΡ‚ΠΎΠΌΡƒ Ρ‡Ρ‚ΠΎ Π΅Π΅ ΠΏΠΎΡΠ΅Ρ‰Π°ΡŽΡ‚ 42 ΠΌΠ»Π½ Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊ Π² мСсяц, ΠΈ с ΠΊΠ°ΠΆΠ΄Ρ‹ΠΌ Π³ΠΎΠ΄ΠΎΠΌ ΠΎΠ½Π° Π½Π°Π±ΠΈΡ€Π°Π΅Ρ‚ Π΅Ρ‰Π΅ Π±ΠΎΠ»ΡŒΡˆΡƒΡŽ ΠΏΠΎΠΏΡƒΠ»ΡΡ€Π½ΠΎΡΡ‚ΡŒ. ΠœΡ‹ ΠΈΠ·ΡƒΡ‡ΠΈΠ»ΠΈ 15 ΠΏΡ€ΠΎΡ„ΠΈΠ»Π΅ΠΉ Π² Π²Ρ‹Π±Ρ€Π°Π½Π½ΠΎΠΉ Π½Π°ΠΌΠΈ ΡΠΎΡ†ΠΈΠ°Π»ΡŒΠ½ΠΎΠΉ сСти. Π‘ΠΎΠ»Π΅Π΅ 42,4 тыс. ΠΏΡƒΠ±Π»ΠΈΠΊΠ°Ρ†ΠΈΠΉ ΠΏΠΎ Ρ‚Π΅ΠΌΠ΅ Β«#онкологиянСприговор». Нами Π±Ρ‹Π»ΠΎ выявлСно, Ρ‡Ρ‚ΠΎ ΠΎΠ±Ρ‰Π΅Π½ΠΈΠ΅ Π² Instagram ΠΏΠΎΠΌΠΎΠ³Π°Π΅Ρ‚ этой ΠΊΠ°Ρ‚Π΅Π³ΠΎΡ€ΠΈΠΈ людСй ΠΎΠ±Π»Π΅Π³Ρ‡ΠΈΡ‚ΡŒ процСсс лСчСния ΠΈΠ»ΠΈ рСмиссии, ΠΏΠΎΠ»ΡƒΡ‡ΠΈΠ² ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΡƒ, Π²Π½ΠΈΠΌΠ°Π½ΠΈΠ΅ ΠΈ ΠΏΠΎΠ½ΠΈΠΌΠ°Π½ΠΈΠ΅ срСди «подписчиков»

    A setup for adjustment of process parameters for CBM module production

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    Setup for adjustment of process parameters for CBM module production

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    Conditional quantum logic using two atomic qubits

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    In this paper we propose and analyze a feasible scheme where the detection of a single scattered photon from two trapped atoms or ions performs a conditional unitary operation on two qubits. As examples we consider the preparation of all four Bell states, the reverse operation that is a Bell measurement, and a CNOT gate. We study the effect of atomic motion and multiple scattering, by evaluating Bell inequalities violations, and by calculating the CNOT gate fidelity.Comment: 23 pages, 8 figures in 11 file
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