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Relevant bibliographies by topics / Spin Geometrie

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Academic literature on the topic 'Spin Geometrie'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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Journal articles on the topic "Spin Geometrie"

1

Ziemer, Thorben, Dennis Leitz, John Nijim, and Christian Rembe. "Fertigung polymerer optischer Phasenplatten zur Erzeugung von Ringmoden mittels direkter Laserlithografie." tm - Technisches Messen 87, s1 (2020): s34—s39. http://dx.doi.org/10.1515/teme-2020-0014.

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ZusammenfassungIn diesem Beitrag präsentieren wir die Fertigung polymerer, diskret gestufter spiraler optischer Phasenplatten (SPPs) für die Erzeugung von Ringmoden in Laserstrahlen. Wir beschreiben das von uns verwendete Modell um die Wirkung von SPPs im Fernfeld abhängig von ihrer Geometrie zu simulieren und diese zu dimensionieren. Weiter berichten wir von der Fertigung zunächst 3- und 4-stufiger SPPs aus dem Negativlack AZ nLOF 2070 auf Kalk-Natron-Glas durch Spin Coating und Polymerisation mittels direkter Laserlithografie. Wir zeigen die Wirkung der Bauteile auf das Strahlprofil eines He

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2

RENNIE, A. "COMMUTATIVE GEOMETRIES ARE SPIN MANIFOLDS." Reviews in Mathematical Physics 13, no. 04 (2001): 409–64. http://dx.doi.org/10.1142/s0129055x01000673.

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In [1], Connes presented axioms governing noncommutative geometry. He went on to claim that when specialised to the commutative case, these axioms recover spin or spinc geometry depending on whether the geometry is "real" or not. We attempt to flesh out the details of Connes' ideas. As an illustration we present a proof of his claim, partly extending the validity of the result to pseudo-Riemannian spin manifolds. Throughout we are as explicit and elementary as possible.

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Shult, E. E. "Geometric hyperplanes of the half-spin geometries arise from embeddings." Bulletin of the Belgian Mathematical Society - Simon Stevin 1, no. 3 (1994): 439–53. http://dx.doi.org/10.36045/bbms/1103408586.

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4

Rau, A. R. P. "Symmetries and Geometries of Qubits, and Their Uses." Symmetry 13, no. 9 (2021): 1732. http://dx.doi.org/10.3390/sym13091732.

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The symmetry SU(2) and its geometric Bloch Sphere rendering have been successfully applied to the study of a single qubit (spin-1/2); however, the extension of such symmetries and geometries to multiple qubits—even just two—has been investigated far less, despite the centrality of such systems for quantum information processes. In the last two decades, two different approaches, with independent starting points and motivations, have been combined for this purpose. One approach has been to develop the unitary time evolution of two or more qubits in order to study quantum correlations; by exploit

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González-Martín, Gustavo. "Geometric spin and charge." Physical Review A 51, no. 2 (1995): 944–49. http://dx.doi.org/10.1103/physreva.51.944.

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Zang, XiaoFei, BingShuang Yao, Zhen Li, et al. "Geometric phase for multidimensional manipulation of photonics spin Hall effect and helicity-dependent imaging." Nanophotonics 9, no. 6 (2020): 1501–8. http://dx.doi.org/10.1515/nanoph-2020-0115.

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AbstractThe spin Hall effect of light, associated with spin-orbit interactions, describes a transport phenomenon with optical spin-dependent splitting, leading to a plethora of applications such as sensing, imaging, and spin-controlled nanophotonics. Although geometric meatsurfaces can mimic photonic spin Hall effect by spatially splitting left-hand circularly polarized and right-hand circularly polarized states of electromagnetic waves with anomalous refraction or reflection angles, the geometric phase generated by metasurfaces hinders metalenses to realize simultaneous focusing of different

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7

Pachos, Jiannis K., and Angelo C. M. Carollo. "Geometric phases and criticality in spin systems." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 364, no. 1849 (2006): 3463–76. http://dx.doi.org/10.1098/rsta.2006.1894.

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A general formalism of the relation between geometric phases produced by circularly evolving interacting spin systems and their criticality behaviour is presented. This opens up the way for the use of geometric phases as a tool to probe regions of criticality without having to undergo a quantum phase transition. As a concrete example, a spin-1/2 chain with XY interactions is considered and the corresponding geometric phases are analysed. Finally, a generalization of these results to the case of an arbitrary spin system is presented.

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Shitade, Atsuo, and Emi Minamitani. "Geometric spin–orbit coupling and chirality-induced spin selectivity." New Journal of Physics 22, no. 11 (2020): 113023. http://dx.doi.org/10.1088/1367-2630/abc920.

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LOMBARDO, FERNANDO C., and PAULA I. VILLAR. "ENVIRONMENTALLY INDUCED CORRECTIONS TO THE GEOMETRIC PHASE IN A TWO-LEVEL SYSTEM." International Journal of Quantum Information 06, supp01 (2008): 707–13. http://dx.doi.org/10.1142/s0219749908003992.

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We calculate the geometric phase for different open systems (spin-boson and spin-spin models). We study not only how they are corrected by the presence of the different type of environments but also discuss the appearence of decoherence effects. These should be taken into account when planning experimental setups to study the geometric phase in the nonunitary regime. We propose a model with slow decoherence rate in which the geometric phase is still modified and might be measured.

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Zhang, He, Shaowei Yang, and Zhengfeng Ma. "Model of the wheel motion state under path constraints based on the Darboux frame in 3D space." Engineering Computations 35, no. 8 (2018): 2883–903. http://dx.doi.org/10.1108/ec-11-2017-0460.

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Purpose Existing three-dimensional (3D) road-surface models use approximation methods such as a set of discrete triangular patches and cannot accurately describe changes in the geometrically designed elements along the road. This paper aims to construct a 3D road-surface model with combinations of geometric design invariants and apply the proposed model to analyse the state of motion of a wheel’s centre. Design/methodology/approach In this paper, the 3D road surface is modelled as a continuous function with combinations of geometric design invariants. By introducing the theories of differentia

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Dissertations / Theses on the topic "Spin Geometrie"

1

Buhl, Matthias. "Spin Transfer Torque-induziertes Schalten von Nanomagneten in lateraler Geometrie bei Raumtemperatur." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-139909.

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Das Schalten und das Auslesen der magnetischen Ausrichtung einzelner winziger magnetischer Informationsspeicher müssen zu wirklich nanoskopischer Dimension entwickelt werden, um mit der Miniaturisierung von modernen, nanoelektronischen Bauteilen Schritt zu halten. Daher sind neue Konzepte, den magnetischen Zustand von Nanostrukturen elektronisch gezielt zu beeinflussen, derzeitig im Mittelpunkt wissenschaftlicher Untersuchungen. Diese Arbeit befasst sich mit dem zuverlässigen Einstellen der Magnetisierung eines rein horizontal kontaktierten, nanoskopischen Magneten, in zwei stabile Zustände. E

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2

Sertöz, Emre Can. "Enumerative geometry of double spin curves." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18455.

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Diese Dissertation hat zwei Teile. Im ersten Teil untersuchen wir die Modulräume von Kurven mit multiplen Spinstrukturen. Wir stellen eine neue Kompaktifizierung dieser Räume mit geometrisch sinnvollem Grenzverhalten vor. Die irreduziblen Komponenten dieser Räume werden vollstandig klassifiziert. Die Ergebnisse aus diesem ersten Teil der Dissertation sind fundamental für die Degenerationstechniken im zweiten Teil. Im zweiten Teil untersuchen wir eine Reihe von Problemen, die von der klassischen Geometrie inspiriert werden. Unser Hauptaugenmerk liegt hierbei auf dem Fall von zwei Hypereben

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3

Leitner, Felipe. "The twistor equation in Lorentzian spin geometry." Doctoral thesis, [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=965107566.

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Buhl, Matthias [Verfasser], Artur [Akademischer Betreuer] Erbe, Jürgen [Akademischer Betreuer] Fassbender, and Gunter [Akademischer Betreuer] Krautheim. "Spin Transfer Torque-induziertes Schalten von Nanomagneten in lateraler Geometrie bei Raumtemperatur / Matthias Buhl. Gutachter: Jürgen Fassbender ; Gunter Krautheim. Betreuer: Artur Erbe." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://d-nb.info/1068446242/34.

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5

Branding, Volker. "The evolution equations for Dirac-harmonic Maps." Phd thesis, Universität Potsdam, 2012. http://opus.kobv.de/ubp/volltexte/2013/6420/.

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This thesis investigates the gradient flow of Dirac-harmonic maps. Dirac-harmonic maps are critical points of an energy functional that is motivated from supersymmetric field theories. The critical points of this energy functional couple the equation for harmonic maps with spinor fields. At present, many analytical properties of Dirac-harmonic maps are known, but a general existence result is still missing. In this thesis the existence question is studied using the evolution equations for a regularized version of Dirac-harmonic maps. Since the energy functional for Dirac-harmonic maps is unb

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Fischmann, Matthias. "Conformally covariant differential operators acting on spinor bundles and related conformal covariants." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät II, 2013. http://dx.doi.org/10.18452/16703.

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Konforme Potenzen des Dirac Operators einer semi Riemannschen Spin-Mannigfaltigkeit werden untersucht. Wir präsentieren einen neuen Beweis, basierend auf dem Traktor Kalkül, für die Existenz von konformen ungeraden Potenzen des Dirac Operators auf semi Riemannschen Spin-Mannigfaltigkeiten. Desweiteren konstruieren wir eine neue Familie von konform kovarianten linearen Differentialoperatoren auf dem standard spin Traktor Bündel. Weiterhin verallgemeinern wir den Existenzbeweis für konforme ungerade Potenzen des Dirac Operators auf semi Riemannsche Spin-Mannigfaltigkeiten. Da die Existenzbeweise

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Stadtmüller, Christoph Martin. "Horizontal Dirac Operators in CR Geometry." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18130.

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In dieser Dissertation beschäftigen wir uns mit angepassten Zusammenhängen und ihren (horizontalen) Dirac-Operatoren auf strikt pseudokonvexen CR-Mannigfaltigkeiten. Einen Zusammenhang nennen wir dann angepasst, wenn er die relevanten Daten parallelisiert. Wir beschreiben den Raum der angepassten Zusammenhänge, indem wir ihre Torsionstensoren studieren, von denen gewisse Teile durch die Geometrie der Mannigfaltigkeit festgelegt sind, während andere frei wählbar sind. Als Anwendung betrachten wir die Eigenschaften der Dirac-Operatoren, die zu diesen Zusammenhängen gehören. Weiter betrachten wi

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8

Flude, James Paul Maurice. "Geometric asymptotics of spin." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285637.

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9

Teo, Chi-yan Jeffrey. "Geometric phase and spin transport in quantum systems." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38226571.

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Teo, Chi-yan Jeffrey, and 張智仁. "Geometric phase and spin transport in quantum systems." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38226571.

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Books on the topic "Spin Geometrie"

1

Lawson, H. Blaine. Spin geometry. Princeton University Press, 1989.

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2

Conformal groups in geometry and spin structures. Birkhauser, Boston, 2008.

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3

GMP 2010 (2010 Castro Urdiales, Spain). Advances in geometric modeling and processing: 6th international conference, GMP 2010, Castro Urdiales, Spain, June 16-18, 2010 : proceedings. Springer, 2010.

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1966-, Pérez Joaquín, and Galvez José A. 1972-, eds. Geometric analysis: Partial differential equations and surfaces : UIMP-RSME Santaló Summer School geometric analysis, June 28-July 2, 2010, University of Granada, Granada, Spain. American Mathematical Society, 2012.

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1959-, Gutierrez Jaime, Shpilrain Vladimir 1960-, and Yu Jie-Tai, eds. Affine algebraic geometry: Special Session on Affine Algebraic Geometry at the First Joint AMS-RSME Meeting, Seville, Spain, June 18-21, 2003. American Mathematical Society, 2005.

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International, Fall Workshop on Geometry and Physics (18th 2009 Benasque Spain). XVIII International Fall Workshop on Geometry and Physics, Benasque, Spain, 6-9 September 2009. American Institute of Physics, 2010.

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1959-, Granja Ángel, Hermida José Ángel, and Verschoren A. 1954-, eds. Ring theory and algebraic geometry: Proceedings of the fifth international conference (SAGA V) in León, Spain. Marcel Dekker, 2001.

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8

ill, Stewart Todd, ed. Flow, spin, grow: Looking for patterns in nature. Owlkids Books, 2018.

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Spain) International Fall Workshop on Geometry and Physics (20th 2012 Madrid. XX International Fall Workshop on Geometry and Physics: Madrid, Spain, 31 August-3 September 2012. Edited by Barbero Liñán María, Barbero Fernando, and Martín de Diego David. American Institute of Physics, 2012.

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Regulators: Regulators III conference, July 12-22, 2010, Barcelona, Spain. American Mathematical Society, 2012.

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Book chapters on the topic "Spin Geometrie"

1

Friedrich, Thomas. "Spin-Strukturen." In Dirac-Operatoren in der Riemannschen Geometrie. Vieweg+Teubner Verlag, 1997. http://dx.doi.org/10.1007/978-3-322-80302-3_2.

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2

Friedrich, Thomas. "Clifford-Algebren und Spin-Darstellung." In Dirac-Operatoren in der Riemannschen Geometrie. Vieweg+Teubner Verlag, 1997. http://dx.doi.org/10.1007/978-3-322-80302-3_1.

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3

Gracia-Bondía, José M., Joseph C. Várilly, and Héctor Figueroa. "The Spin Representation." In Elements of Noncommutative Geometry. Birkhäuser Boston, 2001. http://dx.doi.org/10.1007/978-1-4612-0005-5_6.

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4

Ginoux, Nicolas. "Basics of spin geometry." In The Dirac Spectrum. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01570-0_1.

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Gracia-Bondía, José M., Joseph C. Várilly, and Héctor Figueroa. "Connes’ Spin Manifold Theorem." In Elements of Noncommutative Geometry. Birkhäuser Boston, 2001. http://dx.doi.org/10.1007/978-1-4612-0005-5_11.

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6

Moore, John D. "Spin geometry on four-manifolds." In Lectures on Seiberg-Witten Invariants. Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/bfb0092950.

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7

van Suijlekom, Walter D. "Noncommutative Riemannian Spin Manifolds." In Noncommutative Geometry and Particle Physics. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9162-5_4.

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Harremoës, Peter. "Entropy on Spin Factors." In Information Geometry and Its Applications. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97798-0_9.

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Prugovečki, Eduard. "Relativistic Quantum Geometries for Spin-0 Massive Fields." In Quantum Geometry. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7971-1_7.

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Ugail, Hassan. "Spine Based Shape Parameterisation for PDE Surfaces." In Geometric Modelling. Springer Vienna, 2004. http://dx.doi.org/10.1007/978-3-7091-0587-0_16.

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Conference papers on the topic "Spin Geometrie"

1

Rovelli, Carlo. "Spin Foams." In 3rd Quantum Gravity and Quantum Geometry School. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0003.

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2

Michel, J. Ph, Piotr Kielanowski, Victor Buchstaber, Anatol Odzijewicz, Martin Schlichenmaier, and Theodore Voronov. "Equivariant Quantization of Spin Systems." In XXIX WORKSHOP ON GEOMETRIC METHODS IN PHYSICS. AIP, 2010. http://dx.doi.org/10.1063/1.3527405.

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BOŽIĆ, MIRJANA. "GEOMETRICAL INTERPRETATION OF TIME-DEPENDENT SPIN PHASES." In Proceedings of XI Workshop on Geometric Methods in Physics. WORLD SCIENTIFIC, 1993. http://dx.doi.org/10.1142/9789814440844_0022.

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Moseley, Christopher G. "Geometric control of quantum spin systems." In Defense and Security, edited by Eric Donkor, Andrew R. Pirich, and Howard E. Brandt. SPIE, 2004. http://dx.doi.org/10.1117/12.538678.

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Deac, Alina M. "Different geometries for spin-transfer oscillators." In SPIE NanoScience + Engineering, edited by Henri-Jean M. Drouhin, Jean-Eric Wegrowe, and Manijeh Razeghi. SPIE, 2011. http://dx.doi.org/10.1117/12.897014.

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Fairbairn, Winston, John Barrett, Rachel Dowdall, Frank Hellmann, and Roberto Pereira. "Asymptotic analysis of Lorentzian spin foam models." In 3rd Quantum Gravity and Quantum Geometry School. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0009.

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Speziale, Simone, Maite Dupuis, and Johannes Tambornino. "Spinor and Twistors for LQG and Spin Foams." In 3rd Quantum Gravity and Quantum Geometry School. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0021.

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Chriki, Ronen, Elhanan Maguid, Chene Tradonsky, et al. "Intra-cavity spin controlled geometric phase metasurface." In 2017 Conference on Lasers and Electro-Optics Europe (CLEO/Europe) & European Quantum Electronics Conference (EQEC). IEEE, 2017. http://dx.doi.org/10.1109/cleoe-eqec.2017.8087657.

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Chriki, Ronen, Elhanan Maguid, Chene Tradonsky, et al. "Intra-cavity Spin Controlled Geometric Phase Metasurface." In Frontiers in Optics. OSA, 2017. http://dx.doi.org/10.1364/fio.2017.jw3a.103.

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Fairbairn, Winston, and Catherine Meusburger. "Quantum deformation of two four-dimensional spin foam models." In 3rd Quantum Gravity and Quantum Geometry School. Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0017.

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Reports on the topic "Spin Geometrie"

1

Nisoli, Cristiano, Roderich Moessner, and Peter Schiffer. Artificial Spin Ice: Controlling Geometry, Engineering Frustration. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1083104.

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Kim, Erik D., Katherine Truex, Xiaodong Xu, et al. Spin Phase Gate Based on Optically Generated Geometric Phases in a Self-Assembled Quantum Dot. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada558660.

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