scholarly journals Conceptual and Technical Challenges for Quantum Gravity 2014 – Parallel session: Noncommutative Geometry and Quantum Gravity

2015 ◽  
Vol 634 ◽  
pp. 011001
Author(s):  
P Martinetti ◽  
J-C Wallet ◽  
G Amelino-Camelia
Keyword(s):  
Quantum Gravity ◽  
Noncommutative Geometry ◽  
Parallel Session ◽  
Technical Challenges

scholarly journals Quantum gravity coupled to matter via noncommutative geometry

2011 ◽  
Vol 28 (7) ◽  
pp. 075014 ◽  
Author(s):  
Johannes Aastrup ◽  
Jesper Møller Grimstrup ◽  
Mario Paschke
Keyword(s):  
Quantum Gravity ◽  
Noncommutative Geometry

scholarly journals WHAT KIND OF NONCOMMUTATIVE GEOMETRY FOR QUANTUM GRAVITY?

2005 ◽  
Vol 20 (17n18) ◽  
pp. 1315-1326 ◽  
Author(s):  
PIERRE MARTINETTI
Keyword(s):  
Standard Model ◽  
Quantum Gravity ◽  
Noncommutative Geometry ◽  
Thermal Time ◽  
The Standard Model

We give a brief account of the description of the standard model in noncommutative geometry as well as the thermal time hypothesis, questioning their relevance for quantum gravity.

scholarly journals On Semi-Classical States of Quantum Gravity and Noncommutative Geometry

2011 ◽  
Vol 302 (3) ◽  
pp. 675-696 ◽  
Author(s):  
Johannes Aastrup ◽  
Jesper Møller Grimstrup ◽  
Mario Paschke ◽  
Ryszard Nest
Keyword(s):  
Quantum Gravity ◽  
Noncommutative Geometry ◽  
Classical States

scholarly journals EMERGENCE OF TIME FROM DIMENSIONAL REDUCTION IN NONCOMMUTATIVE GEOMETRY

2006 ◽  
Vol 21 (08) ◽  
pp. 639-647 ◽  
Author(s):  
CHONG-SUN CHU ◽  
OLAF LECHTENFELD
Keyword(s):  
Field Theory ◽  
Quantum Gravity ◽  
Noncommutative Geometry ◽  
Dimensional Reduction ◽  
Euclidean Geometry ◽  
Noncommutative Field Theory ◽  
Fundamental Theory ◽  
Temporal Dimension ◽  
New Form

By considering a new form of dimensional reduction for noncommutative field theory, we show that the signature of spacetime may be changed. In particular, it is demonstrated that a temporal dimension can emerge from a purely Euclidean geometry. We suggest that this mechanism may hint at the origin of time in the fundamental theory of quantum gravity.

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