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Title:

Pastels anglais, 1750-1830.

Description:

380 p.

380 p. Minimize

Publisher:

Paris, Hachette

Year of Publication:

1911.

Source:

http://hdl.handle.net/2027/njp.32101078172770

http://hdl.handle.net/2027/njp.32101078172770 Minimize

Document Type:

text

Language:

fre

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We have determined this item to be in the public domain according to US copyright law through information in the bibliographic record and/or US copyright renewal records. We are uncertain of its copyright status outside the US. The digital version is available for all educational uses within the United States. Please contact HathiTrust staff at ...

We have determined this item to be in the public domain according to US copyright law through information in the bibliographic record and/or US copyright renewal records. We are uncertain of its copyright status outside the US. The digital version is available for all educational uses within the United States. Please contact HathiTrust staff at hathitrust-help@umich.edu with any questions about this item. Minimize

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Title:

A holographic model for the fractional quantum Hall effect

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Experimental data for fractional quantum Hall systems can to a large extent be explained by assuming the existence of a Γ0(2) modular symmetry group commuting with the renormalization group flow and hence mapping different phases of two-dimensional electron gases into each other. Based on this insight, we construct a phenomenological holographic...

Experimental data for fractional quantum Hall systems can to a large extent be explained by assuming the existence of a Γ0(2) modular symmetry group commuting with the renormalization group flow and hence mapping different phases of two-dimensional electron gases into each other. Based on this insight, we construct a phenomenological holographic model which captures many features of the fractional quantum Hall effect. Using an
SL2,ℤ
$$ \mathrm{S}\mathrm{L}\left(2,\;\mathbb{Z}\right) $$-invariant Einstein-Maxwell-axio-dilaton theory capturing the important modular transformation properties of quantum Hall physics, we find dyonic diatonic black hole solutions which are gapped and have a Hall conductivity equal to the filling fraction, as expected for quantum Hall states. We also provide several technical results on the general behavior of the gauge field fluctuations around these dyonic dilatonic black hole solutions: we specify a sufficient criterion for IR normalizability of the fluctuations, demonstrate the preservation of the gap under the
SL2,ℤ
$$ \mathrm{S}\mathrm{L}\left(2,\;\mathbb{Z}\right) $$ action, and prove that the singularity of the fluctuation problem in the presence of a magnetic field is an accessory singularity. We finish with a preliminary investigation of the possible IR scaling solutions of our model and some speculations on how they could be important for the observed universality of quantum Hall transitions. Minimize

Publisher:

Springer Berlin Heidelberg

Year of Publication:

2015-01-01

Source:

Journal of High Energy Physics, 2015-01-01, Volume 2015, pp 1-81

Journal of High Energy Physics, 2015-01-01, Volume 2015, pp 1-81 Minimize

Document Type:

Regular Article - Theoretical Physics

Language:

En

Subjects:

Gauge-gravity correspondence ; Holography and condensed matter physics (AdS/CMT)

Gauge-gravity correspondence ; Holography and condensed matter physics (AdS/CMT) Minimize

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Title:

München 2009Holography in External Fields and in

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niederdimensionale Theorie oder umgekehrt. In der Stringtheorie sind zwei derartige Situationen bekannt: Die Anti-de Sitter/Conformal Field Theorie-Korrespondenz (AdS/CFT-Korrespondenz), welche in Kapitel 2 näher erläutert wird, ermöglicht eine äquivalente Beschreibung von Stringtheorie in Räumen mit fünfdimensionaler Anti-de Sitter-Asymptotik d...

niederdimensionale Theorie oder umgekehrt. In der Stringtheorie sind zwei derartige Situationen bekannt: Die Anti-de Sitter/Conformal Field Theorie-Korrespondenz (AdS/CFT-Korrespondenz), welche in Kapitel 2 näher erläutert wird, ermöglicht eine äquivalente Beschreibung von Stringtheorie in Räumen mit fünfdimensionaler Anti-de Sitter-Asymptotik durch Eichtheorien auf dem konformen Rand dieser Räume, insbesondere dem vierdimensionalen Minkowskiraum. Umgekehrt ermöglicht die Korrespondenz die Beschreibung von Eichtheorien bei starker Kopplung durch zehndimensionale Supergravitation. Andererseits beschreiben – wie in Kapitel 5 ausgeführt – quantenmechanische Modelle mit matrixwertigen Freiheitsgraden, sogenannte Matrixmodelle, holographisch die elfdimensionale M-Theorie, eine aus der Stringtheorie folgenden Quantentheorie der elfdimensionalen N = 1 Supergravitation. Diese Dissertation beschäftigt sich mit drei Verallgemeinerungen dieser Minimize

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The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2012-06-25

Source:

http://edoc.ub.uni-muenchen.de/10466/1/Meyer_Rene.pdf

http://edoc.ub.uni-muenchen.de/10466/1/Meyer_Rene.pdf Minimize

Document Type:

text

Language:

en

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Metadata may be used without restrictions as long as the oai identifier remains attached to it.

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Title:

Ramifications of lineland

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Abstract: A non-technical overview on gravity in two dimensions is provided. Applications discussed in this work comprise 2D type 0A/0B string theory, Black Hole evaporation/thermodynamics, toy models for quantum gravity, for numerical General Relativity in the context of critical collapse and for solid state analogues of Black Holes. Mathematic...

Abstract: A non-technical overview on gravity in two dimensions is provided. Applications discussed in this work comprise 2D type 0A/0B string theory, Black Hole evaporation/thermodynamics, toy models for quantum gravity, for numerical General Relativity in the context of critical collapse and for solid state analogues of Black Holes. Mathematical relations to integrable models, non-linear gauge theories, Poisson-sigma models, KdV surfaces and non-commutative geometry are presented. Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-01-28

Source:

http://arxiv.org/pdf/hep-th/0604049v2.pdf

http://arxiv.org/pdf/hep-th/0604049v2.pdf Minimize

Document Type:

text

Language:

en

Subjects:

Black Holes in String Theory ; 2D Gravity ; Integrable Models. – 1 – Contents

Black Holes in String Theory ; 2D Gravity ; Integrable Models. – 1 – Contents Minimize

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Metadata may be used without restrictions as long as the oai identifier remains attached to it.

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Title:

1 Quantizing Two-Dimensional Dilaton Gravity with Fermions:

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I review recent work on nonperturbative path integral quantization of two-dimensional dilaton gravity coupled to Dirac fermions, employing the ”Vienna school “ approach. Despite much progress in our knowledge of quantum gravity1 during the last decades, a fully satisfactory quantization of the simplest nontopologicala gravity theory, namely gene...

I review recent work on nonperturbative path integral quantization of two-dimensional dilaton gravity coupled to Dirac fermions, employing the ”Vienna school “ approach. Despite much progress in our knowledge of quantum gravity1 during the last decades, a fully satisfactory quantization of the simplest nontopologicala gravity theory, namely general relativity in four dimensions, is still missing. The reasons are two-fold: On one hand, standard techniques from perturbative quantum field theory do not apply to arbitrary high energies to perturbatively nonrenormalizable general relativity. On the other hand, its highly nonlinear dynamics makes general relativity hard to approach with nonperturbative methods. Adding the lack of observational data for quantized gravitational effects, it is hard to compare the suitability of different approaches and methods to quantize gravity. In such a context it may be useful to consider less complicated situations, where even conservative methods like standard quantum field theory can be applied to gravity. Such a situation is given in lower dimensions. In two dimensions, however, pure Einstein-Hilbert gravity is topological, the action being proportional to the Euler Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-01-31

Source:

http://arxiv.org/pdf/hep-th/0612288v1.pdf

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Document Type:

text

Language:

en

DDC:

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Title:

Constraints in two-dimensional dilaton gravity with fermions,” hep-th/0512267

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Description:

Abstract: Generalized Dilaton Theories in two dimensions coupled to Dirac fermions are subjected to constraint analysis. Three first class secondary constraints are found, corresponding to one local Lorentz symmetry and two diffeomorphisms. Moreover, the system also yields second class constraints from the fermions. The algebra of first class co...

Abstract: Generalized Dilaton Theories in two dimensions coupled to Dirac fermions are subjected to constraint analysis. Three first class secondary constraints are found, corresponding to one local Lorentz symmetry and two diffeomorphisms. Moreover, the system also yields second class constraints from the fermions. The algebra of first class constraints is calculated in some detail, and is found to be related to the classical Virasoro algebra. – 1 – Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-01-31

Source:

http://arxiv.org/pdf/hep-th/0512267v3.pdf

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Document Type:

text

Language:

en

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Title:

Ramifications of lineland

Description:

Abstract: A non-technical overview on gravity in two dimensions is provided. Applications discussed in this work comprise 2D type 0A/0B string theory, Black Hole evaporation/thermodynamics, toy models for quantum gravity, for numerical General Relativity in the context of critical collapse and for solid state analogues of Black Holes. Mathematic...

Abstract: A non-technical overview on gravity in two dimensions is provided. Applications discussed in this work comprise 2D type 0A/0B string theory, Black Hole evaporation/thermodynamics, toy models for quantum gravity, for numerical General Relativity in the context of critical collapse and for solid state analogues of Black Holes. Mathematical relations to integrable models, non-linear gauge theories, Poisson-sigma models, KdV surfaces and non-commutative geometry are presented. Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-01-28

Source:

http://arxiv.org/pdf/hep-th/0604049v3.pdf

http://arxiv.org/pdf/hep-th/0604049v3.pdf Minimize

Document Type:

text

Language:

en

Subjects:

Black Holes in String Theory ; 2D Gravity ; Integrable Models. – 1 – Contents

Black Holes in String Theory ; 2D Gravity ; Integrable Models. – 1 – Contents Minimize

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Title:

Constraints in two-dimensional dilaton gravity with fermions,” hep-th/0512267

Author:

Description:

Abstract: Generalized Dilaton Theories in two dimensions coupled to Dirac fermions are subjected to constraint analysis. Three first class secondary constraints are found, corresponding to one local Lorentz symmetry and two diffeomorphisms. Moreover, the system also yields second class constraints from the fermions. The algebra of first class co...

Abstract: Generalized Dilaton Theories in two dimensions coupled to Dirac fermions are subjected to constraint analysis. Three first class secondary constraints are found, corresponding to one local Lorentz symmetry and two diffeomorphisms. Moreover, the system also yields second class constraints from the fermions. The algebra of first class constraints is calculated in some detail, and is found to be related to the classical Virasoro algebra. – 1 – Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-01-31

Source:

http://arxiv.org/pdf/hep-th/0512267v2.pdf

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text

Language:

en

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Title:

Constraints in two-dimensional dilaton gravity with fermions,” hep-th/0512267

Author:

Description:

Abstract: Generalized Dilaton Theories in two dimensions coupled to Dirac fermions are subjected to constraint analysis. Three first class secondary constraints are found, corresponding to one local Lorentz symmetry and two diffeomorphisms. Moreover, the system also yields second class constraints from the fermions. The algebra of first class co...

Abstract: Generalized Dilaton Theories in two dimensions coupled to Dirac fermions are subjected to constraint analysis. Three first class secondary constraints are found, corresponding to one local Lorentz symmetry and two diffeomorphisms. Moreover, the system also yields second class constraints from the fermions. The algebra of first class constraints is calculated in some detail, and is found to be related to the classical Virasoro algebra. – 1 – Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-01-31

Source:

http://arxiv.org/pdf/hep-th/0512267v1.pdf

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Document Type:

text

Language:

en

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Title:

MPP-2007-171 Two-Dimensional Quantum Gravity with Boundary

Author:

Description:

Using the recently found first order formulation of two-dimensional dilaton gravity with boundary, we perform a Hamiltonian analysis and subsequent path integral quantization. The importance of the boundary terms to obtain the correct quantum result are outlined and the quantum triviality of the theory is shown to hold with this modification as ...

Using the recently found first order formulation of two-dimensional dilaton gravity with boundary, we perform a Hamiltonian analysis and subsequent path integral quantization. The importance of the boundary terms to obtain the correct quantum result are outlined and the quantum triviality of the theory is shown to hold with this modification as well. We compare with recent classical results and comment on further applications. Minimize

Contributors:

The Pennsylvania State University CiteSeerX Archives

Year of Publication:

2013-08-05

Source:

http://arxiv.org/pdf/0711.3595v1.pdf

http://arxiv.org/pdf/0711.3595v1.pdf Minimize

Document Type:

text

Language:

en

Subjects:

two-dimensional gravity ; spacetime with boundary ; quantum gravity ; path integral

two-dimensional gravity ; spacetime with boundary ; quantum gravity ; path integral Minimize

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