Academic literature on the topic 'Fermi Arcs'

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Journal articles on the topic "Fermi Arcs"

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Le, Congcong, Xianxin Wu, Shengshan Qin та ін. "Dirac semimetal in β-CuI without surface Fermi arcs". Proceedings of the National Academy of Sciences 115, № 33 (2018): 8311–15. http://dx.doi.org/10.1073/pnas.1803599115.

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Anomalous surface states with Fermi arcs are commonly considered to be a fingerprint of Dirac semimetals (DSMs). In contrast to Weyl semimetals, however, Fermi arcs of DSMs are not topologically protected. Using first-principles calculations, we predict that β-cuprous iodide (β-CuI) is a peculiar DSM whose surface states form closed Fermi pockets instead of Fermi arcs. In such a fermiological Dirac semimetal, the deformation mechanism from Fermi arcs to Fermi pockets stems from a large cubic term preserving all crystal symmetries and from the small energy difference between the surface and bul
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Özdemir, Şahin K. "Fermi arcs connect topological degeneracies." Science 359, no. 6379 (2018): 995–96. http://dx.doi.org/10.1126/science.aar8210.

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Pereg-Barnea, T., H. Weber, G. Refael, and M. Franz. "Quantum oscillations from Fermi arcs." Nature Physics 6, no. 1 (2009): 44–49. http://dx.doi.org/10.1038/nphys1431.

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Kuibarov, Andrii, Oleksandr Suvorov, Riccardo Vocaturo, et al. "Evidence of superconducting Fermi arcs." Nature 626, no. 7998 (2024): 294–99. http://dx.doi.org/10.1038/s41586-023-06977-7.

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AbstractAn essential ingredient for the production of Majorana fermions for use in quantum computing is topological superconductivity1,2. As bulk topological superconductors remain elusive, the most promising approaches exploit proximity-induced superconductivity3, making systems fragile and difficult to realize4–7. Due to their intrinsic topology8, Weyl semimetals are also potential candidates1,2, but have always been connected with bulk superconductivity, leaving the possibility of intrinsic superconductivity of their topological surface states, the Fermi arcs, practically without attention,
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Feng, Shiping, Deheng Gao, and Huaisong Zhao. "Nature of charge order in cuprate superconductors." International Journal of Modern Physics B 30, no. 13 (2016): 1642005. http://dx.doi.org/10.1142/s0217979216420054.

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The recently discovered charge order is an intrinsic and universal property of cuprate superconductors, however, its microscopic origin remains debated. Here we review briefly the theoretical work about the nature of charge order in cuprate superconductors. In particular, we show that the electron self-energy obliterates the electron Fermi surface around the antinodal region, leaving behind disconnected Fermi arcs located around the nodal region. The charge-order state on the other hand is driven by the Fermi-arc instability, with a characteristic wavevector corresponding to the hot spots of t
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Morali, Noam, Rajib Batabyal, Pranab Kumar Nag, et al. "Fermi-arc diversity on surface terminations of the magnetic Weyl semimetal Co3Sn2S2." Science 365, no. 6459 (2019): 1286–91. http://dx.doi.org/10.1126/science.aav2334.

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Bulk–surface correspondence in Weyl semimetals ensures the formation of topological “Fermi arc” surface bands whose existence is guaranteed by bulk Weyl nodes. By investigating three distinct surface terminations of the ferromagnetic semimetal Co3Sn2S2, we verify spectroscopically its classification as a time-reversal symmetry-broken Weyl semimetal. We show that the distinct surface potentials imposed by three different terminations modify the Fermi-arc contour and Weyl node connectivity. On the tin (Sn) surface, we identify intra–Brillouin zone Weyl node connectivity of Fermi arcs, whereas on
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Thiang, Guo Chuan. "On Spectral Flow and Fermi Arcs." Communications in Mathematical Physics 385, no. 1 (2021): 465–93. http://dx.doi.org/10.1007/s00220-021-04007-z.

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Marchetti, Pieralberto. "FL* Approach to the Coexistence of Fermi Arcs with Metal–Insulator Crossover in Strongly Underdoped Cuprates." Condensed Matter 9, no. 1 (2024): 9. http://dx.doi.org/10.3390/condmat9010009.

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We propose that one can explain the coexistence in the same range of doping and temperature of gapless Fermi arcs with the metal–insulator crossover of in-plane resistivity in strongly underdoped cuprates in terms of the FL* fractionalized Fermi liquid nature of these systems, and that such coexistence is not due simply to disorder effects in the resistivity. The particle excitations of this FL* system derived from variants of the t-J model are the gapless holon carrying charge with small Fermi momentum proportional to the doping, the gapful spinon carrying spin 1/2, and an emergent gauge fiel
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Batabyal, Rajib, Noam Morali, Nurit Avraham, et al. "Visualizing weakly bound surface Fermi arcs and their correspondence to bulk Weyl fermions." Science Advances 2, no. 8 (2016): e1600709. http://dx.doi.org/10.1126/sciadv.1600709.

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Fermi arcs are the surface manifestation of the topological nature of Weyl semimetals, enforced by the bulk-boundary correspondence with the bulk Weyl nodes. The surface of tantalum arsenide, similar to that of other members of the Weyl semimetal class, hosts nontopological bands that obscure the exploration of this correspondence. We use the spatial structure of the Fermi arc wave function, probed by scanning tunneling microscopy, as a spectroscopic tool to distinguish and characterize the surface Fermi arc bands. We find that, as opposed to nontopological states, the Fermi arc wave function
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Liu, D. F., A. J. Liang, E. K. Liu, et al. "Magnetic Weyl semimetal phase in a Kagomé crystal." Science 365, no. 6459 (2019): 1282–85. http://dx.doi.org/10.1126/science.aav2873.

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Weyl semimetals are crystalline solids that host emergent relativistic Weyl fermions and have characteristic surface Fermi-arcs in their electronic structure. Weyl semimetals with broken time reversal symmetry are difficult to identify unambiguously. In this work, using angle-resolved photoemission spectroscopy, we visualized the electronic structure of the ferromagnetic crystal Co3Sn2S2 and discovered its characteristic surface Fermi-arcs and linear bulk band dispersions across the Weyl points. These results establish Co3Sn2S2 as a magnetic Weyl semimetal that may serve as a platform for real
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Dissertations / Theses on the topic "Fermi Arcs"

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Niestemski, Liang Ren. "Incommensurate Valence Bond Density Waves in the Glassy Phase of Underdoped Cuprates." Thesis, Boston College, 2011. http://hdl.handle.net/2345/2626.

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Thesis advisor: Ziqiang Wang<br>One of the most unconventional electronic states in high transition temperature cuprate superconductors is the pseudogap state. In the temperature versus doping phase diagram, the pseudogap state straddles across the antiferromagnetic (AF) state near half filling and the superconducting (SC) dome on the hole doped side above the transition temperature Tc. The relationship between the pseudogap state and these two well known states - the AF state and the SC state is believed to be very important for understanding superconductivity and the emergent quantum electro
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Ekahana, Sandy Adhitia. "Investigation of topological nodal semimetals through angle-resolved photoemission spectroscopy." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:afed6156-7aa2-4ba9-afd1-af53d775494f.

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Nodal semimetals host either degenerate points (Dirac/Weyl points) or lines whose band topology in Brillouin zone can be classified either as trivial (normal nodal semimetals) or non trivial (topological nodal semimetals). This thesis investigates the electronic structure of two different categories of topological nodal semimetals probed by angleresolved photoemission spectroscopy (ARPES): The first material is Indium Bismuth (InBi). InBi is a semimetal with simple tetragonal structure with P4/nmm space group. This space group is predicted to host protected nodal lines along the perpendicular
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Stone, John V. "Public Participation in Environmental Management: Seeking Participatory Equity through Ethnographic Inquiry." [Tampa, Fla. : s.n.], 2002. http://purl.fcla.edu/fcla/etd/SFE0000031.

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Scachetti, Emmeline. "La saline d'Arc-et-Senans : manufacture, utopie et patrimoine (1773-2011)." Thesis, Besançon, 2013. http://www.theses.fr/2013BESA1030/document.

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La Saline d'Arc-et-Senans, construite à partir de 1774 selon les plans de l'architecteClaude Nicolas Ledoux, est aujourd'hui un centre touristique et culturel reconnu, notamment depuisson classement comme patrimoine mondial par l'Unesco en 1982. Mais son histoire est avant toutcelle d'un lieu de production du sel, qui fonctionne pendant plus d'un siècle. Sur décision de la Fermegénérale, elle est construite pour répondre aux difficultés rencontrées dans l'exploitation des sourcessalées à la Saline de Salins, en particulier le manque de bois. Saline sans ressources en sel, son exploitationpose
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Vatsella, Christina. "La question de l'espace dans l'installation vidéo." Thesis, Paris 4, 2012. http://www.theses.fr/2012PA040269.

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Ayant comme point de départ les premières expérimentations de Nam June Paik avec les téléviseurs au début des années 1960, cette étude suit l’évolution historique de l’installation vidéo en parcourant cinq décennies de création. La problématique de l’espace, fil conducteur de cette recherche, nous amène d’abord à la constitution d’une typologie. Fruit de l’étude de l’évolution des formes principales de l’installation vidéo, cette classification a pour objet l’œuvre sous sa forme aboutie, c’est-à-dire installée. Néanmoins, cet état n’est que le résultat final d’un long processus. Divisée en qua
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Weber, Heidrun [Verfasser]. "Correlated exotic states: fractionalization, fermi arcs, competing phases / vorgelegt von Heidrun Weber." 2009. http://d-nb.info/996603042/34.

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Books on the topic "Fermi Arcs"

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Maliqi, Shkëlzen. Jakup Ferri. Qendra per Studime Humanistike "Gani Bobi", 2007.

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Book chapters on the topic "Fermi Arcs"

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Tumeo, Antonino, Simone Secchi, and Oreste Villa. "Experiences with String Matching on the Fermi Architecture." In Architecture of Computing Systems - ARCS 2011. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19137-4_3.

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"Surface Fermi Arcs." In Electronic Properties of Dirac and Weyl Semimetals. WORLD SCIENTIFIC, 2021. http://dx.doi.org/10.1142/9789811207358_0005.

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Esposito, Paolo. "From Accounting to Accountability at the Virtual Museums in Pompeii and Herculaneum." In Handbook of Research on Management of Cultural Products. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-5007-7.ch012.

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The enhancement of artistic and cultural heritage has been a recurring theme within the scientific and cultural debate by scholars from different disciplines and in the political agenda of most countries over the last decades (Senese, 2002; Meneguzzo &amp; Grossi, 2002; Ferri &amp; Zan, 2012). During the early 90s, researchers focused their attention on management practices, tools and models referring to arts and cultural organizations (Peacock, 1982; Frey, 1994; Towse, 1997; Christiansen &amp; Skaerbaeck, 1997; Zan, 2002), as well as on the development of new and different organizational form
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"The New French Chemistry and Atomism: Franklin, Lavoisier, Berthollet, Gay-Lussac, Ampère (Paris I)." In Traveling with the Atom A Scientific Guide to Europe and Beyond. The Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788015288-00196.

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Antoine Lavoisier was the father of the “chemical revolution”, but the victim of another, the French Revolution. We start with Ben Franklin who was a close friend to Lavoisier and his wife, Marie-Anne. We visit a statue of Franklin in one of most scenic places in all of Paris. After discussing Lavoisier's early career, his involvement with the infamous Ferme Générale, and his “new French Chemistry” in which he replaced phlogistic ideas with his oxidation theory, we visit Lavoisier sites all over Paris – his birthplace, where he was christened, lived, worked, imprisoned, guillotined and is now
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Conference papers on the topic "Fermi Arcs"

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Norman, M. R. "Fermi surfaces, fermi patches, and fermi arcs in high T[sub c] superconductors." In High temperature superconductivity. AIP, 1999. http://dx.doi.org/10.1063/1.59631.

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Noh, Jiho, Sheng Huang, Daniel Leykam, Y. D. Chong, Kevin Chen, and Mikael C. Rechtsman. "Experimental observation of optical Weyl points and Fermi arcs." In CLEO: QELS_Fundamental Science. OSA, 2017. http://dx.doi.org/10.1364/cleo_qels.2017.fm3g.3.

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Bessho, Takumi, Kohei Kawabata, and Masatoshi Sato. "Topological Classificaton of Non-Hermitian Gapless Phases: Exceptional Points and Bulk Fermi Arcs." In Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019). Journal of the Physical Society of Japan, 2020. http://dx.doi.org/10.7566/jpscp.30.011098.

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Swayamsidha, Sadhna. "“Sky Is My Father, Earth Is My Mother”: Kincentric Ecologies of the Heart in Easterine Kire’s Son of the Thundercloud and When the River Sleeps." In 5th World Conference on Arts, Humanities, Social Sciences and Education. Eurasia Conferences, 2024. http://dx.doi.org/10.62422/978-81-968539-1-4-008.

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This presentation focuses on the emergence of contemporary North East India’s tribal anglophone fiction that portrays the co-constitutive associations, links and relations between the Angami indigenous tribe in Nagaland and their surrounding environment. It engages with Naga tribal writer Easterine Kire’s novels, Son of the Thundercloud (2016) and When the River Sleeps (2014) in order to argue how Indian tribal writing conceptualizes the ‘Indic-indigenous’ environmental imagination in the twenty-first century. The presentation shows how Kire’s writing evokes the philosophy of kincentric ecolog
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Schmuttenmaer, C. A., M. Aeschlimann, R. J. D. Miller, D. Mantell, J. Cao, and Y. Gao. "Femtosecond Photoemission Studies of Electron Relaxation at Cu Surfaces." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/up.1994.tuc.4.

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A number of recent studies have illustrated the importance of photoexcited electrons in surface reactions at metal surfaces. This work focuses on directly determining the relaxation dynamics for photoexcited electrons at Cu(100) surfaces. This particular surface is important as recent observations for photoinduced desorption of CO have found quantum yields as high as 15% for the hot electron reaction channel at high laser fluences.1 Equal pulse correlation studies employing 3 eV pulses (50-60 fs) with both parallel and crossed polarization and low energy (&lt;100 nJ/cm2) have been used to char
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Alfano, Anita, Paola Sarti, Ludovico Bernasconi, et al. "Spazio allo Spazio." In Symposium on Space Educational Activities (SSAE). Universitat Politècnica de Catalunya, 2022. http://dx.doi.org/10.5821/conference-9788419184405.030.

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“Spazio allo Spazio", active since 2010, involves students aged 5 to 20. This educational project was launched by a group of Italian teachers from the Lower Secondary School Fermi in Villasanta who believed Space exploration could be an efficient way to convey the idea that the extraordinary experience of the astronaut, who on the International Space Station must acquire new skills and be able to dominate a challenging and unpredictable context, similar to a disabled person's routine in daily life. This was a winning choice because gradually international institutions promoted similar initiati
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