Symmetry reduced loop quantum gravity: A bird’s eye view
نویسندگان
چکیده
منابع مشابه
Birds' eye view: a decade of perspectives.
O of Jan Drake’s happy innovations as editor of other significant events (i.e., the first issue of Genetics in 1916). These have fulfilled the retrospective function. Genetics was to initiate the publication of an essay, entitled Perspectives, at the beginning of each issue. The perspective and prospective functions have been achieved by articles that have integrated classic studies His idea wa...
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in the discovery of the principle of general covariance than in the form of the dynamical equations of general relativity. General covariance brings the relational character of nature into our description of physics as an essential ingredient for the understanding of the gravitational force. In general relativity the gravitational field is encoded in the dynamical geometry of space-time, implyi...
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The problem of describing the quantum behavior of gravity, and thus understanding quantum spacetime, is still open. Loop quantum gravity is a well-developed approach to this problem. It is a mathematically well-defined background-independent quantization of general relativity, with its conventional matter couplings. Today research in loop quantum gravity forms a vast area, ranging from mathemat...
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We explicitly construct and characterize all possible independent loop states in 3+1 dimensional loop quantum gravity by regulating it on a 3-d regular lattice in the Hamiltonian formalism. These loop states, characterized by the (dual) angular momentum quantum numbers, describe SU(2) rigid rotators on the links of the lattice. The loop states are constructed using the Schwinger bosons which ar...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics D
سال: 2016
ISSN: 0218-2718,1793-6594
DOI: 10.1142/s0218271816420104