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On the depth of quantum space
depth quantum space quantum gravity research group field theory
2011/8/11
Abstract: We focus on the question: "Is space fundamentally discrete or continuous?" in the context of current quantum gravity research. In particular, we paint a scenario based on the idea that 'quan...
Starting from the universal entropy bounds suggested by Bekenstein and Susskind and applying them to the black-body radiation situation, we get a cut-off of space x ≥ lP with ≥ 0.1. We go further ...
Fisher's zeros as boundary of RG flows in complex coupling space
boundary RG flows complex coupling space
2010/12/24
We discuss the possibility of extending the RG flows to complex coupling spaces. We argue that the Fisher's zeros are located at the boundary of the complex basin of attraction of IR fixed points. We...
Fisher's zeros as boundary of RG flows in complex coupling space
RG flows complex coupling space
2011/1/6
We discuss the possibility of extending the RG flows to complex coupling spaces. We argue that the Fisher's zeros are located at the boundary of the complex basin of attraction of IR fixed points. We ...
Fisher's zeros as boundary of RG flows in complex coupling space
RG flows complex coupling space
2011/1/6
We discuss the possibility of extending the RG flows to complex coupling spaces. We argue that the Fisher's zeros are located at the boundary of the complex basin of attraction of IR fixed points. We ...
The determination of the two-body density functional from its one-body density is achieved for Moshinsky's harmonium model, using a phase-space formulation, thereby resolving its phase dilemma. The c...
The Backreaction of Anti-M2 Branes on a Warped Stenzel Space
Anti-M2 Branes Warped Stenzel Space
2010/12/23
We find the superpotential governing the supersymmetric warped M-theory solution with a transverse Stenzel space found by Cvetic, Gibbons, Lu and Pope in hep-th/0012011, and use this superpotential to...
Matrix Model for membrane and dynamics of D-Particles in a curved space-time geometry and presence of form fields
Matrix Model membrane dynamics D-Particles
2010/12/23
We study dynamics of a membrane and its matrix regularisation. We present the matrix regularisation for a membrane propagating in a curved space-time geometry in the presence of an arbitrary 3-form fi...
We apply the nonstandard loop quantum cosmology method to quantize a flat FRW cosmological model with a free scalar field and the cosmological constant $\Lambda>0$. Modification of the Hamiltonian in ...
Scalar Field in Non-commutative Curved Space time
Scalar Field Non-commutative Curved Space time
2010/12/24
We will study the theory of scalar field in non-commutative curved space time (NCCST) with a percussionist who has been found by Mebaraki. In this paper, the motion equation of the scalar field will ...
We explore in detail the prospects of obtaining a four-dimensional de Sitter universe in classical supergravity models with warped and time-independent extra dimensions, presenting explicit cosmologic...
We discuss alternatives to the usual quantization of relativistic particles which result in discrete spectra for position and time operators
Third order Lovelock black holes in flat space
Third order Lovelock black holes flat space
2010/12/20
In this paper, we present the asymptotically flat black hole solutions for arbitrary values of coefficients in third order Lovelock gravity, and then derive gravitational mass, Hawking temperature and...
Thermodynamics of Gauss-Bonnet-Born-Infeld black holes in AdS space
Thermodynamics Gauss-Bonnet-Born-Infeld black holes AdS space
2010/12/20
We construct solutions of a model which includes the Gauss-Bonnet and Born-Infeld terms for various horizon topologies (k = 0,±1), and then the mass, temperature,entropy and heat capacity of black hol...
Space-Time Compactification, Non-Singular Black Holes, Wormholes and Braneworlds via Lightlike Branes
Space-Time Compactification Non-Singular Black Holes Wormholes and Braneworlds Lightlike Branes
2010/12/21
We describe a concise general scheme for constructing solutions of Einstein-Maxwell-Kalb-Ramond gravity-matter system in bulk space-time interacting selfconsistently with one or more (widely separated...