Наукова електронна бібліотека
періодичних видань НАН України
періодичних видань НАН України
Discretisations, Constraints and Diffeomorphisms in Quantum Gravity
Репозиторій DSpace/Manakin
- Домашня сторінка
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- Фізико-технічні та математичні науки
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- Відділення математики
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- Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)
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- Symmetry, Integrability and Geometry: Methods and Applications, 2012, том 8
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- Symmetry, Integrability and Geometry: Methods and Applications, 2012, том 8, випуск за цей рік
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Discretisations, Constraints and Diffeomorphisms in Quantum Gravity
Інший ID:
2010 Mathematics Subject Classification: 37M99; 70H45; 81T17; 82B28; 83C27; 83C45
DOI: http://dx.doi.org/10.3842/SIGMA.2012.002
DOI: http://dx.doi.org/10.3842/SIGMA.2012.002
Посилання:
Discretisations, Constraints and Diffeomorphisms in Quantum Gravity / B. Bahr, R. Gambini, J. Pullin // Symmetry, Integrability and Geometry: Methods and Applications. — 2012. — Т. 8. — Бібліогр.: 67 назв. — англ.
Підтримка:
This paper is a contribution to the Special Issue “Loop Quantum Gravity and Cosmology”. The full collection is available at http://www.emis.de/journals/SIGMA/LQGC.html.
Дата:
2012
Переглядів:
600
Завантажень:
241
Анотація:
In this review we discuss the interplay between discretization, constraint implementation, and diffeomorphism symmetry in Loop Quantum Gravity and Spin Foam models. To this end we review the Consistent Discretizations approach, which is an application of the master constraint program to construct the physical Hilbert space of the canonical theory, as well as the Perfect Actions approach, which aims at finding a path integral measure with the correct symmetry behavior under diffeomorphisms.
