• No results found

Models of Quantum Gravity

Matrix models, quantum gravity and the spectral dimension

Matrix models, quantum gravity and the spectral dimension

... describe quantum gravity (see for example ...numerical models in 2D quantum gravity is derived from the dynamically triangulated random surface model [7, 8] in which summations over ...

5

Cosmological perturbations from full quantum gravity

Cosmological perturbations from full quantum gravity

... microscopic quantum state — and the idea that spacetime could be a type of Bose-Einstein condensate had been considered earlier ...loop quantum cosmology. For some GFT models, this bounce can be ...

9

Stochastic Gravity and Ontological Quantum Mechanics

Stochastic Gravity and Ontological Quantum Mechanics

... that gravity lies outside of quantum ...of quantum to gravity coupling (that of Rosenfeld and Møller) are possible real models of interaction, rather than a mere approximation of a ...

6

Constraints on Cosmology and Quantum Gravity from Quantum Mechanics and Quantum Field Theory

Constraints on Cosmology and Quantum Gravity from Quantum Mechanics and Quantum Field Theory

... Quantum variables are not equivalent to classical stochastic variables. They can be related by the appearance of measurement-induced fluctuations, which require entropy generation, decoherence, and branching of ...

209

Flat Space Cosmology as a Mathematical Model of Quantum Gravity or  Quantum Cosmology

Flat Space Cosmology as a Mathematical Model of Quantum Gravity or Quantum Cosmology

... Given the apparent simplicity of our mathematical model, we have been pleasantly surprised by the excellent correlation between derivations from our model formulae and astronomical observations. However, upon closer ...

8

Aspects of quantum gravity: quantum space-time and black hole thermodynamics

Aspects of quantum gravity: quantum space-time and black hole thermodynamics

... One remarkable aspect of these departures from classical relativistic symme- tries is the possibility that the deformed kinematics they introduce might lead to experimentally testable consequences. We focused in ...

99

Perturbing a quantum gravity condensate

Perturbing a quantum gravity condensate

... of quantum gravity condensates offers promising opportunities for deriving quantum cosmology models from a more fundamental theory, the formalism so far suffers from a basic restriction, as ...

12

Quantum Gravity Effects in Cosmology

Quantum Gravity Effects in Cosmology

... semiclassical gravity (17) for the FRW universe. Thus, the semiclassical gravity goes beyond the classical FRW geometry with a stationary Killing vector but preserves a similar ...by quantum ...

5

Newtonian gravity on quantum spacetime

Newtonian gravity on quantum spacetime

... model quantum gravity corrections to classical geometry in ...of quantum Born reciprocity as foundation for quantum gravity, the author proposed quantum groups as toys model with ...

10

Quantum gravity from the point of view of locally covariant quantum field theory

Quantum gravity from the point of view of locally covariant quantum field theory

... algebraic quantum field theory since there does not exist a distinguished Hilbert space of ...typical quantum field theoretical models with the exception of supersymmetric theories (since ...

40

QUANTUM GRAVITY AND QUANTUM ELECTRODYNAMICS

QUANTUM GRAVITY AND QUANTUM ELECTRODYNAMICS

... “quantum gravity” is frequently used ...and Quantum Gravity”, there are many books with “quantum gravity” in their ...“quantum gravity”, they must know what they ...

8

From Modified Newtonian Gravity to Dark Energy via Quantum Entanglement

From Modified Newtonian Gravity to Dark Energy via Quantum Entanglement

... F = respectively. Of course we know in principle that infinity and zero are not numbers but deep philosoph- ical concepts. The Indian are normally credited with “inventing” the zero but the Arabs are definitely the ones ...

5

Nexus: A Quantum Theory of Space Time,  Gravity and the Quantum Vacuum

Nexus: A Quantum Theory of Space Time, Gravity and the Quantum Vacuum

... of Quantum Me- chanics or General ...a quantum theory of gravity and not a geometric the- ory of the ...of gravity in the quantum ...

7

Gravitational radiation in infinite derivative gravity and connections to effective quantum gravity

Gravitational radiation in infinite derivative gravity and connections to effective quantum gravity

... The Hulse-Taylor binary provides possibly the best test of GR to date. We find the modified quadrupole formula for Infinite Derivative Gravity (IDG). We investigate the backreaction formula for propagation of ...

7

Resolution of the Measurement Problem from a Quantum Gravity Perspective

Resolution of the Measurement Problem from a Quantum Gravity Perspective

... of quantum gravity show that the Ricci flow serves as the time evolution operator for the vacuum energy density and that in the presence of baryonic matter, the Ricci flow is analogous to the heat equation ...

14

Fakeons, Quantum Gravity and the Correspondence Principle

Fakeons, Quantum Gravity and the Correspondence Principle

... of quantum field theory, and in particular quantum ...of quantum gravity, obtained from the Einstein-Hilbert Lagrangian plus the counterterms turned on by renormalization ...

21

Cosmological perturbation theory and quantum gravity

Cosmological perturbation theory and quantum gravity

... In contrast to other systematic or covariant attempts to define gauge-invariant quan- tities in higher-order cosmological perturbation theory, see for example [17, 19, 22, 24], our construction works off-shell, is based ...

21

Spin entanglement witness for quantum gravity

Spin entanglement witness for quantum gravity

... the quantum superposition principle”, the Benasque Workshop on “Quantum Engineering of Levi- tated Systems” (September 2016), the ICTS Bangalore Discussion Meeting on “Fundamental Problems of Quan- tum ...

8

Ricci Flows and Topology Change in Quantum Gravity

Ricci Flows and Topology Change in Quantum Gravity

... the quantum gravity may have an approximate approach to describe such ...in quantum gravity may be approximately described by the Ricci ...

6

Why Geometry Radiates: Quantum Gravity as Perspective

Why Geometry Radiates: Quantum Gravity as Perspective

... height projected into the remote frame appears at the microscopic level as EPR entanglement (the identification A ≡ B ), and at the macroscopic level as an ER bridge. At D2 | D3 , an object that disappears over S 1 and ...

12

Show all 10000 documents...

Related subjects