scholarly journals BLACK HOLES IN THE PRESENCE OF COSMOLOGICAL CONSTANT AND LARGE-N BRANE WORLD

2009 ◽  
Vol 24 (26) ◽  
pp. 2107-2118 ◽  
Author(s):  
MINGXING LUO ◽  
SIBO ZHENG
Keyword(s):  
Cosmological Constant ◽  
Higher Dimensions ◽  
Brane World ◽  
Gauge Fields ◽  
Brane Worlds ◽  
Gravitational Theories ◽  
Large N ◽  
Gauge Gravity ◽  
Gravity Duality ◽  
Constant Dilaton

Gravitational theories including negative cosmological constant, dilaton and gauge fields are explored in higher dimensions, in which black hole solutions are shown to exist and their asymptotic behaviors are obtained. Based on these solutions, effective Randall–Sundrum brane worlds are constructed. In the framework of gauge/gravity duality, effects from cosmological constant on the spectra of standard model fields on the branes are perturbatively calculated.

scholarly journals de Sitter in non-supersymmetric string theories: no-go theorems and brane-worlds

2020 ◽  
Vol 2020 (10) ◽  
Author(s):  
Ivano Basile ◽  
Stefano Lanza
Keyword(s):  
Flux Compactifications ◽  
Cosmological Constant ◽  
Dimensional Reduction ◽  
Brane World ◽  
De Sitter ◽  
Top Down ◽  
Brane Worlds ◽  
Concrete Realization ◽  
String Models ◽  
String Theories

Abstract We study de Sitter configurations in ten-dimensional string models where supersymmetry is either absent or broken at the string scale. To this end, we derive expressions for the cosmological constant in general warped flux compactifications with localized sources, which yield no-go theorems that extend previous works on supersymmetric cases. We frame our results within a dimensional reduction and connect them to a number of Swampland conjectures, corroborating them further in the absence of supersymmetry. Furthermore, we construct a top-down string embedding of de Sitter brane-world cosmologies within unstable anti-de Sitter landscapes, providing a concrete realization of a recently revisited proposal.

A DIRECT TEST OF THE GAUGE/GRAVITY DUALITY AND THE STRING THEORETICAL DESCRIPTION OF A BLACK HOLE

2008 ◽  
Vol 23 (14n15) ◽  
pp. 2161-2164 ◽  
Author(s):  
JUN NISHIMURA
Keyword(s):  
Black Hole ◽  
Theoretical Description ◽  
Direct Test ◽  
Strongly Coupled ◽  
Open Strings ◽  
Large N ◽  
Brane Solution ◽  
Gauge Gravity ◽  
Gravity Duality ◽  
Microscopic Origin

We perform a direct test of the gauge/gravity duality by studying one-dimensional U (N) gauge theory with 16 supercharges at finite temperature using Monte Carlo simulation. In the 't Hooft large-N limit and in the strong coupling limit, the model is expected to have a dual gravity description in terms of the near-extremal black 0-brane solution in ten-dimensional type IIA supergravity. Our results provide the first example, in which the microscopic origin of the black hole thermodynamics is accounted for by solving explicitly the strongly coupled dynamics of the open strings attached to the D-branes.

scholarly journals Testing the holographic principle using lattice simulations

2018 ◽  
Vol 175 ◽  
pp. 08004 ◽  
Author(s):  
Raghav G. Jha ◽  
Simon Catterall ◽  
David Schaich ◽  
Toby Wiseman
Keyword(s):  
Phase Transition ◽  
Black Hole ◽  
Strong Coupling ◽  
Type Ii ◽  
Two Dimensional ◽  
Yang Mills ◽  
Large N ◽  
Gauge Gravity ◽  
Gravity Duality ◽  
Made In

The lattice studies of maximally supersymmetric Yang-Mills (MSYM) theory at strong coupling and large N is important for verifying gauge/gravity duality. Due to the progress made in the last decade, based on ideas from topological twisting and orbifolding, it is now possible to study these theories on the lattice while preserving an exact supersymmetry on the lattice. We present some results from the lattice studies of two-dimensional MSYM which is related to Type II supergravity. Our results agree with the thermodynamics of different black hole phases on the gravity side and the phase transition (Gregory–Laflamme) between them.

scholarly journals Precision lattice test of the gauge/gravity duality at large N

2016 ◽  
Vol 94 (9) ◽  
Author(s):  
Evan Berkowitz ◽  
Enrico Rinaldi ◽  
Masanori Hanada ◽  
Goro Ishiki ◽  
Shinji Shimasaki ◽  
...  
Keyword(s):  
Large N ◽  
Gauge Gravity ◽  
Gravity Duality

Gauge/gravity duality — From lattice gauge theory to black hole

2017 ◽  
Vol 32 (36) ◽  
pp. 1747018 ◽  
Author(s):  
Daisuke Kadoh
Keyword(s):  
Black Hole ◽  
Gauge Theory ◽  
Finite Temperature ◽  
Lattice Gauge Theory ◽  
Yang Mills ◽  
Lattice Gauge ◽  
Large N ◽  
Gauge Gravity ◽  
Gravity Duality

The duality conjecture states that [Formula: see text]-dimensional maximally supersymmetric Yang–Mills theory at finite temperature is expected to be dual to the non extremal black [Formula: see text]-brane at large N. We perform the lattice simulations of SYM for [Formula: see text] to investigate the validity of the conjecture. We show that the conjecture is qualitatively valid by comparing lattice results of the black [Formula: see text]-branes mass with analytic expectations in the gravity side.

scholarly journals STRING THEORY AS A UNIVERSAL LANGUAGE

2001 ◽  
Vol 16 (28) ◽  
pp. 4511-4525 ◽  
Author(s):  
A. M. POLYAKOV
Keyword(s):  
String Theory ◽  
Cosmological Constant ◽  
Gauge Theories ◽  
Higher Dimensions ◽  
Brane Worlds ◽  
Open Strings ◽  
Universal Language ◽  
Conformal Gauge

This article, based on the Klein lecture, contains some new results and new speculations on various topics. They include discussion of open strings in the AdS space, unusual features of D-branes, conformal gauge theories in higher dimensions. We also comment on the infrared screening of the cosmological constant and on the ''brane worlds.''

FULLY TORSION-BASED FORMULATION FOR CURVED MANIFOLDS

2013 ◽  
Vol 10 (06) ◽  
pp. 1350021 ◽  
Author(s):  
R. CARTAS-FUENTEVILLA
Keyword(s):  
Group Structure ◽  
Holonomy Group ◽  
Gauge Fields ◽  
Dimensional Model ◽  
Qualitative And Quantitative ◽  
Dynamical Phase ◽  
Curved Manifolds ◽  
Parity Symmetry ◽  
Gauge Gravity ◽  
Gravity Duality

We develop a new description of curved manifolds that represent a topological phase for the usual Levi-Civita connection and a dynamical phase for the torsion, being the only part of the connection that generates curvature. The holonomy group structure of such manifolds is studied, and different expressions of the torsion in terms of gauge fields are considered with the purpose to describe different dynamical scenarios. Additionally some models of torsion interacting with fermions are constructed; specifically a four-dimensional model that mimics an usual fermion-gauge fields system is considered; this model undergoes parity symmetry breaking with a dynamical background. Since these manifolds represent new gravitational backgrounds, we speculate on possible applications in the study of qualitative and quantitative aspects of the gauge/gravity duality.

scholarly journals The double cone geometry is stable to brane nucleation

2021 ◽  
Vol 2021 (9) ◽  
Author(s):  
Raghu Mahajan ◽  
Donald Marolf ◽  
Jorge E. Santos
Keyword(s):  
Form Factor ◽  
Quantum Chaos ◽  
Higher Dimensions ◽  
Double Cone ◽  
Spectral Form ◽  
Factorization Problem ◽  
Gauge Gravity ◽  
M Theory ◽  
Gravity Duality ◽  
Probe Brane

Abstract In gauge/gravity duality, the bulk double cone geometry has been argued to account for a key feature of the spectral form factor known as the ramp. This feature is deeply associated with quantum chaos in the dual field theory. The connection with the ramp has been demonstrated in detail for two-dimensional theories of bulk gravity, but it appears natural in higher dimensions as well. In a general bulk theory the double cone might thus be expected to dominate the semiclassical bulk path integral for the boundary spectral form factor in the ramp regime. While other known spacetime wormholes have been shown to be unstable to brane nucleation when they dominate over known disconnected (factorizing) solutions, we argue below that the double cone is stable to semiclassical brane nucleation at the probe-brane level in a variety of string- and M-theory settings. Possible implications for the AdS/CFT factorization problem are briefly discussed.

scholarly journals STATE OF THE UNIFICATION ADDRESS

2001 ◽  
Vol 16 (supp01a) ◽  
pp. 77-91 ◽  
Author(s):  
M. J. DUFF
Keyword(s):  
String Theory ◽  
Cosmological Constant ◽  
Brane World ◽  
Brane Worlds ◽  
Self Tuning ◽  
M Theory

After reviewing how M-theory subsumes string theory, I report broadly on some new and interesting developments, focusing on the "brane world": circumventing no-go theorems for supersymmetric brane-worlds, complementarity of the Maldacena and Randall-Sundrum pictures; self-tuning of the cosmological constant. I conclude with the top ten unsolved problems.

scholarly journals NUMERICAL RELATIVITY IN HIGHER DIMENSIONS

2013 ◽  
Vol 22 (04) ◽  
pp. 1330005 ◽  
Author(s):  
ULRICH SPERHAKE
Keyword(s):  
Numerical Relativity ◽  
Higher Dimensions ◽  
De Sitter ◽  
Numerical Techniques ◽  
Fundamental Properties ◽  
Numerical Studies ◽  
Higher Dimensional ◽  
Recent Developments ◽  
Gauge Gravity ◽  
Gravity Duality

We present an overview of recent developments in numerical relativity studies of higher dimensional spacetimes with a focus on time evolutions of black hole (BH) systems. After a brief review of the numerical techniques employed for these studies, we summarize results grouped into the following three areas: (i) numerical studies of fundamental properties of BHs, (ii) applications of BH collisions to the modeling of Trans-Planckian scattering and (iii) numerical studies of asymptotically anti-de Sitter spacetimes in the context of the gauge-gravity duality.

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